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Stone Ridge Holdings Group LP — 13F Holdings & Portfolio

CIK 2019841 · latest 13F-HR filed 2026-11-06

Backtest portfolio

Stone Ridge Holdings Group LP manages $61.2M in 13F-reported U.S. long-equity assets across 13 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are BTGO (71.75%), LDDR (12.66%), LIBD (2.34%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 1 new position and exited 0; 0 existing positions rose in reported value and 12 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
$61.2M

Long-equity book

Holdings
13

Distinct positions

Period
2026-09-30

Filed 2026-11-06

Q/Q Activity
+1 / −0 / ↑0 / ↓12

vs 2026-06-30

Portfolio charts

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

Portfolio map

Q3 26
BTGO71.8% · newLDDR12.7% · 0%LIBD2.3% · 0%LFAW2.3% · 0%LFBE2.2% · 0%LIAM1.7% · 0%LFAO1.4% · 0%BCKT1.4% · 0%LIAU1.2% · 0%LIFT1.2% · 0%LFAI0.9% · 0%LFDR0.5% · 0%LIAE0.5% · 0%

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

5 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 = 98.1%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Aug 24, 2026.

Assets Under Management
$36.34B
Discretionary
$28.66B
Employees
238
Accounts
72
Address
1 VANDERBILT AVENUE
65TH FL
NEW YORK, NY 10017
Phone
(212) 257-4750
Website
This firm reports 1 disclosure item on its registration.
Name Title / Status Ownership Type
STEVENS, ROSS, L ControlCHIEF EXECUTIVE OFFICER
since Sep 2012
Less than 5%Individual
STONE RIDGE HOLDINGS GROUP LP ControlOWNER
since Sep 2012
75% or moreDomestic Entity
GERMAIN, PAUL, ERICPRESIDENT
since Jan 2021
Less than 5%Individual
MACIOCE, LAUREN, DECKERGENERAL COUNSEL / CHIEF COMPLIANCE OFFICER
since Feb 2016
Less than 5%Individual
SEIFAN, TOMERHEAD OF ALTERNATIVE FIXED INCOME AND CHIEF FINANCIAL OFFICER
since Jan 2018
Less than 5%Individual
STEVENS, ROSS, LAWRENCE Control
Indirect owner via STONE RIDGE HOLDINGS GROUP LP
LIMITED PARTNER
since Dec 2017
25–50%Individual
STEVENS, ROSS, LAWRENCE Control
Indirect owner via STONE RIDGE HOLDINGS GROUP LP
MANAGER OF GENERAL PARTNER
since Dec 2017
25–50%Individual
Ownership & leadership changes · 14 filings with changes since Oct 2, 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.

Mar 31, 2026 filing
  • No longer listedROTHWELL, JAMES, THOMAS · CHIEF ADMINISTRATIVE OFFICER AND HEAD OF LEGAL · Less than 5% · listed since Oct 2015
Mar 31, 2025 filing
  • ChangedSEIFAN, TOMER · title HEAD OF STRUCTURED INVESTMENTS AND CHIEF FINANCIAL OFFICER → HEAD OF ALTERNATIVE FIXED INCOME AND CHIEF FINANCIAL OFFICER
  • ChangedSTEVENS, ROSS, LAWRENCE · indirect via STONE RIDGE HOLDINGS GROUP LP: ownership 50–75% → 25–50%
Jul 11, 2023 filing
  • ChangedSTEVENS, ROSS, LAWRENCE · indirect via STONE RIDGE HOLDINGS GROUP LP: ownership 25–50% → 50–75%
Jul 10, 2023 filing
  • ChangedSTEVENS, ROSS, LAWRENCE · indirect via STONE RIDGE HOLDINGS GROUP LP: ownership 50–75% → 25–50%
Aug 2, 2021 filing
  • No longer listedDONAT, SAMUEL, LAWRENCE · CHIEF OPERATIONS OFFICER · Less than 5% · listed since Mar 2020
Jan 22, 2021 filing
  • Listed againGERMAIN, PAUL, ERIC · PRESIDENT · Less than 5%
May 12, 2020 filing
  • No longer listedGERMAIN, PAUL, ERIC · HEAD OF ALTERNATIVE LENDING AND CHIEF OPERATIONS OFFICER · Less than 5% · listed since Mar 2018
  • AddedDONAT, SAMUEL, LAWRENCE · CHIEF OPERATIONS OFFICER · Less than 5%
  • ChangedROTHWELL, JAMES, THOMAS · no longer a control person
  • ChangedSEIFAN, TOMER · no longer a control person
May 22, 2019 filing
  • AddedSEIFAN, TOMER · HEAD OF STRUCTURED INVESTMENTS AND CHIEF FINANCIAL OFFICER · Less than 5% · control person
Mar 29, 2019 filing
  • ChangedSTEVENS, ROSS, LAWRENCE · indirect via STONE RIDGE HOLDINGS GROUP LP: title MANAGER OF GENERAL PARTNER → LIMITED PARTNER / MANAGER OF GENERAL PARTNER
Mar 7, 2018 filing
  • No longer listedKELLY, PATRICK · CHIEF OPERATING OFFICER · Less than 5% · listed since Sep 2012
  • No longer listedSTEVENS, ROSS, L · MANAGER · 50–75% · indirect via STONE RIDGE HOLDINGS GROUP LLC · control person · listed since Sep 2012
  • No longer listedSTONE RIDGE HOLDINGS GROUP LLC · OWNER · 75% or more · control person · listed since Sep 2012
  • AddedGERMAIN, PAUL, ERIC · HEAD OF ALTERNATIVE LENDING AND CHIEF OPERATIONS OFFICER · Less than 5%
  • AddedSTEVENS, ROSS, LAWRENCE · MANAGER OF GENERAL PARTNER · 50–75% · indirect via STONE RIDGE HOLDINGS GROUP LP · control person
  • AddedSTONE RIDGE HOLDINGS GROUP LP · OWNER · 75% or more · control person
  • ChangedSTEVENS, ROSS, L · title MANAGING MEMBER → CHIEF EXECUTIVE OFFICER
Older changes (5 more filings)
Dec 14, 2017 filing
  • ChangedROTHWELL, JAMES, THOMAS · title HEAD OF LEGAL → CHIEF ADMINISTRATIVE OFFICER AND HEAD OF LEGAL
  • ChangedSTEVENS, ROSS, L · indirect via STONE RIDGE HOLDINGS GROUP LLC: ownership 75% or more → 50–75%
Mar 18, 2016 filing
  • No longer listedKORACH, JANE, ELIZABETH · GENERAL COUNSEL/CHIEF COMPLIANCE OFFICER · Less than 5% · listed since Sep 2012
  • AddedMACIOCE, LAUREN, DECKER · GENERAL COUNSEL / CHIEF COMPLIANCE OFFICER · Less than 5%
  • ChangedROTHWELL, JAMES, THOMAS · now a control person
Jan 28, 2016 filing
  • AddedROTHWELL, JAMES, THOMAS · HEAD OF LEGAL · Less than 5%
Jan 28, 2014 filing
  • No longer listedSTEVENS, ROSS, L · MANAGER · 75% or more · indirect via STONERIDGE HOLDINGS GROUP LLC · control person · listed since Sep 2012
  • No longer listedSTONERIDGE HOLDINGS GROUP LLC · OWNER · 75% or more · control person · listed since Sep 2012
  • AddedSTEVENS, ROSS, L · MANAGER · 75% or more · indirect via STONE RIDGE HOLDINGS GROUP LLC · control person
  • AddedSTONE RIDGE HOLDINGS GROUP LLC · OWNER · 75% or more · control person
Oct 2, 2012 filing (earliest on record)
  • ListedKELLY, PATRICK · CHIEF OPERATING OFFICER · Less than 5%
  • ListedKORACH, JANE, ELIZABETH · GENERAL COUNSEL/CHIEF COMPLIANCE OFFICER · Less than 5%
  • ListedSTEVENS, ROSS, L · MANAGING MEMBER · Less than 5% · control person
  • ListedSTEVENS, ROSS, L · MANAGER · 75% or more · indirect via STONERIDGE HOLDINGS GROUP LLC · control person
  • ListedSTONERIDGE HOLDINGS GROUP LLC · OWNER · 75% or more · control person

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0 →

Top Trims

Show all 12 →

New Positions

Show all 1 →

Exited Positions

  • No exits this quarter.
Show all 0 →

Stone Ridge Holdings Group LP 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 BITGO HOLDINGS INC BTGO 091947101 $43.9M 71.75% 5,933,577 SH
2 STONE RIDGE TR LDDR 86172A249 $7.7M 12.66% 103,635 SH
3 STONE RIDGE TR LIBD 86172B627 $1.4M 2.34% 5,632 SH
4 STONE RIDGE TR LFAW 86172B676 $1.4M 2.29% 8,723 SH
5 STONE RIDGE TR LFBE 86172B668 $1.3M 2.19% 7,948 SH
6 STONE RIDGE TR LIAM 86172B643 $1.0M 1.66% 4,664 SH
7 STONE RIDGE TR LFAO 86172B684 $862.1K 1.41% 5,699 SH
8 STONE RIDGE TR BCKT 86172B585 $861.1K 1.41% 22,000 SH
9 STONE RIDGE TR LIAU 86172B635 $731.2K 1.19% 3,050 SH
10 STONE RIDGE TR LIFT 86172B593 $718.2K 1.17% 33,000 SH
11 STONE RIDGE TR LFAI 86172B692 $567.9K 0.93% 4,075 SH
12 STONE RIDGE TR LFDR 86172B619 $306.5K 0.50% 1,818 SH
13 STONE RIDGE TR LIAE 86172B650 $305.0K 0.50% 1,578 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-11-06 $61.2M 13 0001172661-26-004882
2026-06-30 2026-07-31 $18.6M 12 0001172661-26-002969
2026-03-31 2026-05-13 $19.0M 12 0001172661-26-001811
2025-12-31 2026-02-17 $1.37B 14 0001172661-26-001076
2025-09-30 2025-11-03 $140.1M 13 0001172661-25-004545
Filer Information
Address
ONE VANDERBILT AVE
65TH FL.
NEW YORK, NY 10017
Phone
(212) 257-4750
Filing Manager
Stone Ridge Holdings Group LP
New York, NY
Signatory
Yan Zhao Lee
President