SUMMIT SECURITIES GROUP LLC — 13F Holdings & Portfolio

CIK 1531593 · latest 13F-HR filed 2026-11-05

SUMMIT SECURITIES GROUP LLC manages $1.06B in 13F-reported U.S. long-equity assets across 910 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are MDT (9.05%), MDT (8.99%), META (6.92%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 378 new positions and exited 574; 183 existing positions rose in reported value and 137 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$1.06B

Long-equity book

Holdings
910

Distinct positions

Period
2026-09-30

Filed 2026-11-05

Q/Q Activity
+378 / −574 / ↑183 / ↓137

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 68.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Aug 20, 2026.

Assets Under Management
$42.01B
Discretionary
$42.01B
Employees
218
Accounts
87
Address
222 BERKELEY STREET
BOSTON, MA 02116-3748
Phone
(617) 824-1000
Name Title / Status Ownership Type
CHUNG, PETER, Y ControlCHIEF EXECUTIVE OFFICER AND LIMITED PARTNER
since Aug 1999
5–10%Individual
COLLINS, SCOTT, CHARLES ControlLIMITED PARTNER
since Aug 1999
5–10%Individual
HENNESSEY, ADAM, HUGH ControlCHIEF FINANCIAL OFFICER & LIMITED PARTNER
since Jul 2018
Less than 5%Individual
SUMMIT MASTER COMPANY, LLC ControlGENERAL PARTNER
since Aug 1999
Less than 5%Domestic Entity
WHITE, ERIN, HELEN ControlCHIEF COMPLIANCE OFFICER
since Jul 2019
Less than 5%Individual
BLACK, DARREN, MICHAELLIMITED PARTNER
since Dec 2021
5–10%Individual
CARROLL, JOHN, ROBERTLIMITED PARTNER
since Aug 2017
5–10%Individual
DEAN, CHRISTOPHER, JOHNLIMITED PARTNER
since Dec 2022
5–10%Individual
FRANCES, CRAIG, DAVIDLIMITED PARTNER
since Aug 2017
5–10%Individual
BLACK, DARREN, MICHAEL Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Feb 2019
General partner, trustee or managerIndividual
CARROLL, JOHN, ROBERT Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Aug 2017
General partner, trustee or managerIndividual
CHUNG, PETER, Y Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Nov 2011
General partner, trustee or managerIndividual
COLLINS, SCOTT, CHARLES Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Sep 2015
General partner, trustee or managerIndividual
DEAN, CHRISTOPHER, JOHN Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Nov 2024
General partner, trustee or managerIndividual
FRANCES, CRAIG, DAVID Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Aug 2017
General partner, trustee or managerIndividual
MANNION, MARTIN, JOSEPH Control
Indirect owner via SUMMIT MASTER COMPANY, LLC
BOARD MEMBER
since Feb 2019
General partner, trustee or managerIndividual
Ownership & leadership changes · 17 filings with changes since Mar 30, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Aug 20, 2026 filing
  • ChangedCOLLINS, SCOTT, CHARLES · title CHIEF OPERATING OFFICER AND LIMITED PARTNER → LIMITED PARTNER
Jan 3, 2025 filing
  • No longer listedJENNINGS, THOMAS, HUNGERFORD · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Aug 2017
  • AddedDEAN, CHRISTOPHER, JOHN · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
Mar 28, 2024 filing
  • ChangedHENNESSEY, ADAM, HUGH · title CHIEF FINANCIAL OFFICER → CHIEF FINANCIAL OFFICER & LIMITED PARTNER
Mar 28, 2023 filing
  • No longer listedDEVEREUX, ROBIN, WINTERS · CHIEF ADMINISTRATIVE OFFICER · Less than 5% · control person · listed since Jul 2018
  • No longer listedEVANS, BRUCE, ROGER · LIMITED PARTNER · Less than 5% · listed since Aug 1999
  • No longer listedMANNION, MARTIN, JOSEPH · LIMITED PARTNER · Less than 5% · listed since Aug 1999
  • No longer listedROBERTS, THOMAS, SCOTT · LIMITED PARTNER · Less than 5% · listed since Aug 1999
  • No longer listedTHE ESTATE OF JOSEPH F TRUSTEY · LIMITED PARTNER · Less than 5% · listed since Aug 2015
  • AddedBLACK, DARREN, MICHAEL · LIMITED PARTNER · 5–10%
  • AddedDEAN, CHRISTOPHER, JOHN · LIMITED PARTNER · 5–10%
Mar 30, 2022 filing
  • ChangedEVANS, BRUCE, ROGER · ownership 5–10% → Less than 5%
  • ChangedMANNION, MARTIN, JOSEPH · ownership 5–10% → Less than 5%
  • ChangedROBERTS, THOMAS, SCOTT · ownership 5–10% → Less than 5%
  • ChangedTHE ESTATE OF JOSEPH F TRUSTEY · ownership 5–10% → Less than 5%
Mar 30, 2021 filing
  • No longer listedFITZGERALD, CHARLES, JAMES · LIMITED PARTNER · 5–10% · listed since Aug 2017
Mar 24, 2020 filing
  • AddedHENNESSEY, ADAM, HUGH · CHIEF FINANCIAL OFFICER · Less than 5% · control person
Jul 11, 2019 filing
  • AddedWHITE, ERIN, HELEN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ChangedDEVEREUX, ROBIN, WINTERS · title CHIEF COMPLIANCE OFFICER → CHIEF ADMINISTRATIVE OFFICER
Mar 29, 2019 filing
  • AddedCARROLL, JOHN, ROBERT · LIMITED PARTNER · 5–10%
  • AddedFITZGERALD, CHARLES, JAMES · LIMITED PARTNER · 5–10%
  • AddedFRANCES, CRAIG, DAVID · LIMITED PARTNER · 5–10%
  • Listed againEVANS, BRUCE, ROGER · LIMITED PARTNER · 5–10%
  • Listed againMANNION, MARTIN, JOSEPH · LIMITED PARTNER · 5–10%
  • Listed againROBERTS, THOMAS, SCOTT · LIMITED PARTNER · 5–10%
  • Listed againTHE ESTATE OF JOSEPH F TRUSTEY · LIMITED PARTNER · 5–10%
  • ChangedCHUNG, PETER, Y · title CHIEF EXECUTIVE OFFICER → CHIEF EXECUTIVE OFFICER AND LIMITED PARTNER; ownership Less than 5% → 5–10%
  • ChangedCOLLINS, SCOTT, CHARLES · title CHIEF OPERATING OFFICER → CHIEF OPERATING OFFICER AND LIMITED PARTNER; ownership Less than 5% → 5–10%
Mar 7, 2019 filing
  • No longer listedEVANS, BRUCE, ROGER · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Dec 2000
  • No longer listedFITZGERALD, CHARLES, JAMES · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Aug 2017
  • AddedBLACK, DARREN, MICHAEL · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • Listed againMANNION, MARTIN, JOSEPH · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
Older changes (8 more filings)
Mar 30, 2018 filing
  • No longer listedBANNISH, ROBERT, G. · PERSONAL REPRESENTATIVE OF THE THE ESTATE OF JOSEPH F. TRUSTEY · 5–10% · listed since Aug 2015
  • No longer listedEVANS, BRUCE, ROGER · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedKORTSCHAK, WALTER, GERMAN · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedMANNION, MARTIN, JOSEPH · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedROBERTS, THOMAS, SCOTT · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedTHE ESTATE OF JOSEPH F TRUSTEY · LIMITED PARTNER · 5–10% · listed since Aug 2015
  • No longer listedWESTRA, JAMES, RICHARD · PERSONAL REPRESENTATIVE OF THE THE ESTATE OF JOSEPH F. TRUSTEY · 5–10% · listed since Aug 2015
  • ChangedCHUNG, PETER, Y · title LIMITED PARTNER → CHIEF EXECUTIVE OFFICER; ownership 5–10% → Less than 5%; now a control person
  • ChangedCOLLINS, SCOTT, CHARLES · title LIMITED PARTNER → CHIEF OPERATING OFFICER; ownership 5–10% → Less than 5%; now a control person
Sep 7, 2017 filing
  • No longer listedCOLLINS, SCOTT, CHARLES · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY · control person · listed since Sep 2015
  • No longer listedKORTSCHAK, WALTER, GERMAN · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Aug 1999
  • No longer listedMANNION, MARTIN, JOSEPH · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Dec 2000
  • No longer listedROBERTS, THOMAS, SCOTT · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Dec 2000
  • AddedCARROLL, JOHN, ROBERT · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • AddedCOLLINS, SCOTT, CHARLES · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • AddedFITZGERALD, CHARLES, JAMES · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • AddedFRANCES, CRAIG, DAVID · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • AddedJENNINGS, THOMAS, HUNGERFORD · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
Mar 31, 2017 filing
  • ChangedBANNISH, ROBERT, G. · ownership 10–25% → 5–10%
  • ChangedEVANS, BRUCE, ROGER · ownership 10–25% → 5–10%
  • ChangedMANNION, MARTIN, JOSEPH · ownership 10–25% → 5–10%
  • ChangedROBERTS, THOMAS, SCOTT · ownership 10–25% → 5–10%
  • ChangedTHE ESTATE OF JOSEPH F TRUSTEY · ownership 10–25% → 5–10%
  • ChangedWESTRA, JAMES, RICHARD · ownership 10–25% → 5–10%
Mar 30, 2016 filing
  • No longer listedTRUSTEY, JOSEPH, FRANCIS · LIMITED PARTNER · 10–25% · listed since Aug 1999
  • AddedBANNISH, ROBERT, G. · PERSONAL REPRESENTATIVE OF THE THE ESTATE OF JOSEPH F. TRUSTEY · 10–25%
  • AddedTHE ESTATE OF JOSEPH F TRUSTEY · LIMITED PARTNER · 10–25%
  • AddedWESTRA, JAMES, RICHARD · PERSONAL REPRESENTATIVE OF THE THE ESTATE OF JOSEPH F. TRUSTEY · 10–25%
Oct 2, 2015 filing
  • No longer listedTRUSTEY, JOSEPH, FRANCIS · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Dec 2000
  • No longer listedWOODSUM, STEPHEN, GILBERT · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person · listed since Aug 1999
  • AddedCOLLINS, SCOTT, CHARLES · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY · control person
Mar 28, 2014 filing
  • AddedCOLLINS, SCOTT, CHARLES · LIMITED PARTNER · 5–10%
Apr 1, 2013 filing
  • No longer listedAVIS, GREGORY, MILTON · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedSTAMPS, EDWARD, ROE · LIMITED PARTNER · 5–10% · listed since Aug 1999
  • No longer listedWOODSUM, STEPHEN, GILBERT · LIMITED PARTNER · 5–10% · listed since Aug 1999
Mar 30, 2012 filing (earliest on record)
  • ListedAVIS, GREGORY, MILTON · LIMITED PARTNER · 5–10%
  • ListedCHUNG, PETER, Y · LIMITED PARTNER · 5–10%
  • ListedCHUNG, PETER, Y · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedDEVEREUX, ROBIN, WINTERS · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ListedEVANS, BRUCE, ROGER · LIMITED PARTNER · 10–25%
  • ListedEVANS, BRUCE, ROGER · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedKORTSCHAK, WALTER, GERMAN · LIMITED PARTNER · 5–10%
  • ListedKORTSCHAK, WALTER, GERMAN · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedMANNION, MARTIN, JOSEPH · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedMANNION, MARTIN, JOSEPH · LIMITED PARTNER · 10–25%
  • ListedROBERTS, THOMAS, SCOTT · LIMITED PARTNER · 10–25%
  • ListedROBERTS, THOMAS, SCOTT · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedSTAMPS, EDWARD, ROE · LIMITED PARTNER · 5–10%
  • ListedSUMMIT MASTER COMPANY, LLC · GENERAL PARTNER · Less than 5% · control person
  • ListedTRUSTEY, JOSEPH, FRANCIS · LIMITED PARTNER · 10–25%
  • ListedTRUSTEY, JOSEPH, FRANCIS · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedWOODSUM, STEPHEN, GILBERT · BOARD MEMBER · General partner, trustee or manager · indirect via SUMMIT MASTER COMPANY, LLC · control person
  • ListedWOODSUM, STEPHEN, GILBERT · LIMITED PARTNER · 5–10%

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

SUMMIT SECURITIES GROUP LLC Holdings (2026-09-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 MEDTRONIC PLC MDT G5960L103 $95.5M 9.05% 1,106,532 SH
2 MEDTRONIC PLC Put MDT G5960L105 $94.9M 8.99% 1,100,000 SH
3 META PLATFORMS INC META 30303M102 $73.1M 6.92% 100,745 SH
4 TARGET CORP TGT 87612E106 $58.8M 5.57% 375,300 SH
5 WARNER BROS DISCOVERY INC Put WBD 934423105 $54.8M 5.19% 1,771,000 SH
6 UNITEDHEALTH GROUP INC UNH 91324P102 $39.4M 3.73% 107,230 SH
7 NEXTERA ENERGY INC NEE 65339F101 $38.3M 3.63% 505,200 SH
8 ADVANCED MICRO DEVICES INC AMD 007903107 $32.0M 3.03% 52,271 SH
9 ADVANCED MICRO DEVICES INC Put AMD 007903105 $30.9M 2.93% 50,500 SH
10 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $22.8M 2.16% 50,000 SH
11 TAIWAN SEMICONDUCTOR MANUFAC Put TSM 874039105 $22.8M 2.16% 50,000 SH
12 BIO-TECHNE CORP Call TECH 09073M109 $18.1M 1.72% 250,000 SH
13 SPOTIFY TECHNOLOGY S A Call SPOT L8681T109 $15.9M 1.51% 32,600 SH
14 BLOOM ENERGY CORP BE 093712107 $14.4M 1.36% 51,989 SH
15 AMAZON COM INC AMZN 023135106 $13.8M 1.30% 55,219 SH
16 AMAZON COM INC Put AMZN 023135105 $12.5M 1.18% 50,000 SH
17 SELECT SECTOR SPDR TR XLRE 81369Y860 $10.3M 0.98% 252,965 SH
18 TESLA INC TSLA 88160R101 $10.2M 0.97% 28,876 SH
19 ENERGY TRANSFER L P ET 29273V100 $9.8M 0.93% 498,200 SH
20 SELECT SECTOR SPDR TR XLI 81369Y704 $9.3M 0.88% 55,881 SH
21 TESLA INC Put TSLA 88160R105 $8.9M 0.84% 25,000 SH
22 GLOBALSTAR INC Call GSAT 378973509 $8.7M 0.83% 105,100 SH
23 ADVANCED MICRO DEVICES INC Call AMD 007903109 $8.7M 0.82% 14,200 SH
24 OVINTIV INC OVV 69047Q102 $6.6M 0.62% 113,670 SH
25 PENSKE AUTOMOTIVE GRP INC Call PAG 70959W109 $6.5M 0.62% 32,500 SH
26 CARVANA CO Call CVNA 146869109 $6.2M 0.58% 98,700 SH
27 SPACE EXPLORATION TECHN CORP SPCX 84615Q103 $5.8M 0.55% 38,356 SH
28 SELECT SECTOR SPDR TR Put XLF 81369Y605 $5.3M 0.51% 100,000 SH
29 ROKU INC Put ROKU 77543R105 $4.6M 0.43% 30,000 SH
30 SUPER MICRO COMPUTER INC Put SMCI 86800U305 $4.3M 0.41% 105,800 SH
31 ALIBABA GROUP HLDG LTD Put BABAF 01609W105 $4.3M 0.41% 40,000 SH
32 IREN LIMITED Call IREN Q4982L109 $4.2M 0.40% 103,000 SH
33 SELECT SECTOR SPDR TR XLF 81369Y605 $4.2M 0.40% 78,430 SH
34 RIVIAN AUTOMOTIVE INC Put RIVN 76954A105 $3.9M 0.37% 260,000 SH
35 CANADIAN IMPERIAL BANK OF CO Put CM 136069105 $3.9M 0.37% 35,000 SH
36 CANADIAN IMPERIAL BANK OF CO Call CM 136069109 $3.9M 0.37% 35,000 SH
37 AMERICAN AIRLINES GROUP INC Put AAL 02376R105 $3.5M 0.33% 258,900 SH
38 AXON ENTERPRISE INC Put AXON 05464C105 $3.4M 0.32% 8,000 SH
39 BRIGHTHOUSE FINL INC Call BHF 10922N109 $3.4M 0.32% 67,400 SH
40 COMCAST CORP NEW Call CMCSA 20030N109 $3.4M 0.32% 154,000 SH
41 SPDR GOLD TR Call GLD 78463V109 $3.2M 0.31% 8,500 SH
42 ARES MANAGEMENT CORPORATION Put ARES 03990B105 $3.2M 0.30% 27,500 SH
43 GAMESTOP CORP Call GME 36467W109 $3.1M 0.30% 127,500 SH
44 SUNCOR ENERGY INC NEW Call SU 867224109 $3.1M 0.29% 45,000 SH
45 SUNCOR ENERGY INC NEW Put SU 867224105 $3.1M 0.29% 45,000 SH
46 ROBINHOOD MKTS INC Put HOOD 770700105 $3.0M 0.29% 27,100 SH
47 PETROLEO BRASILEIRO S A PBR 71654V408 $3.0M 0.28% 144,000 SH
48 CANADIAN NATL RY CO Call — 136375109 $3.0M 0.28% 25,000 SH
49 TORONTO DOMINION BK ONT Put TDBKF 891160505 $2.9M 0.28% 25,000 SH
50 TORONTO DOMINION BK ONT Call TD 891160509 $2.9M 0.28% 25,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-11-05 $1.06B 910 0001531593-26-000007
2026-06-30 2026-08-03 $1.05B 1,135 0001531593-26-000006
2026-03-31 2026-04-30 $809.9M 1,015 0001531593-26-000005
2025-12-31 2026-02-17 $767.7M 991 0001531593-26-000002
Filer Information
Address
55 BROADWAY
SUITE 2102
NEW YORK, NY 10006
Phone
(646) 668-3384
Filing Manager
SUMMIT SECURITIES GROUP LLC
NEW YORK, NY
Signatory
Akiva Nimchinsky
CFO