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O'Connor Alternative Investments LLC — 13F Holdings & Portfolio

CIK 2081629 · latest 13F-HR filed 2026-08-14

Backtest portfolio

O'Connor Alternative Investments LLC manages $1.37B in 13F-reported U.S. long-equity assets across 156 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GTLS (43.68%), TOPBUILD C (12.42%), NET (3.57%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 62 new positions and exited 34; 19 existing positions rose in reported value and 9 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.

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AUM
$1.37B

Long-equity book

Holdings
156

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+62 / −34 / ↑19 / ↓9

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
GTLS43.7% · +42%COR12.4% · +16%NET3.6% · newAKAM3.2% · newSNOW2.7% · newON2.2% · newGOOG2.1% · newSMCIP2.1% · newKLAR1.7% · newGOOGN1.6% · newGME1.5% · newLIVE1.3% · newDASH1.1% · newZ0.8% · newT0.7% · newORCLPD0.7% · newNWSA0.6% · newJENA0.5% · newFOX0.5% · newHEI.A0.4% · newEGHA0.4% · newIREN0.4% · newGHXIU0.4% · newOIM0.4% · newGTEN0.4% · newRIVN0.4% · newCEPV0.3% · newAEIS0.3% · newLBTYK0.3% · newANSC0.3% · newBLZR0.3% · newICLN0.3% · newRBRK0.3% · newNRG0.2% · newOACC0.2% · newACEL0.2% · newNCLH0.2% · newGCGR0.2% · newUAA0.2% · newSVCC0.2% · newCCAQ0.2% · newNPAC0.2% · newTVAI0.2% · newBLUW0.2% · newTLNC0.2% · newSOCA0.2% · newOBA0.2% · newXOP0.2% · newARKK0.2% · newPACH0.2% · newHVMC0.2% · newKOYN0.2% · newMBVI0.2% · newARKX0.2% · newEWJ0.2% · newWLCOU0.2% · newQADR0.2% · newIHI0.2% · newTAN0.2% · newXLB0.2% · new

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

Q1 26 → Q2 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

2 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 = 75.3%

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

Firm Profile & Key People
Assets Under Management
$16.37B
Discretionary
$16.37B
Employees
65
Accounts
42
Address
110 EAST 59TH STREET
NEW YORK, NY 10022
Phone
(212) 915-1722
This firm reports 4 disclosure items on its registration.
Name Title / Status Ownership Type
BGL MANAGEMENT TRUST ControlSHAREHOLDER25–50%Domestic Entity
BURKE, CONNOR ControlGENERAL COUNSEL - O'CONNORLess than 5%Individual
CANTOR FITZGERALD, L.P. ControlLIMITED PARTNER75% or moreDomestic Entity
CF GROUP MANAGEMENT, INC. ControlMANAGING GENERAL PARTNERGeneral partnerDomestic Entity
CFAM HOLDINGS, LLC ControlMEMBER75% or moreDomestic Entity
CJL MANAGEMENT TRUST ControlSHAREHOLDER25–50%Domestic Entity
FERRI, WILLIAM, JOSEPH ControlGLOBAL HEAD OF ASSET MANAGEMENTLess than 5%Individual
GIAIMO, JOSEPH, THOMAS ControlCHIEF OPERATING OFFICERLess than 5%Individual
KSL MANAGEMENT TRUST ControlSHAREHOLDER25–50%Domestic Entity
LUTNICK, BRANDON, GERALD ControlCONTROLLING TRUSTEEGeneral partnerIndividual
LUTNICK, BRANDON, GERALD ControlCONTROLLING TRUSTEEGeneral partnerIndividual
LUTNICK, BRANDON, GERALD ControlCONTROLLING TRUSTEEGeneral partnerIndividual
LUTNICK, BRANDON, GERALD ControlCONTROLLING TRUSTEEGeneral partnerIndividual
LUTNICK, BRANDON, GERALD ControlCONTROLLING TRUSTEEGeneral partnerIndividual
LUTNICK, BRANDON, GERALD ControlCHIEF EXECUTIVE OFFICERGeneral partnerIndividual
MATHYS, CHARLES ControlCHIEF COMPLIANCE OFFICERLess than 5%Individual
RGL MANAGEMENT TRUST ControlSHAREHOLDER25–50%Domestic Entity
SALINAS, DANNY, H ControlCHIEF FINANCIAL OFFICERLess than 5%Individual
BRAJER, ADAM, MARCSECRETARYLess than 5%Individual
DYNASTY TRUST ALIMITED PARTNER50–75%Domestic Entity
DYNASTY TRUST ASHAREHOLDER75% or moreDomestic Entity
LUTNICK, CASEY, STRUSTEEGeneral partnerIndividual
LUTNICK, CASEY, STRUSTEEGeneral partnerIndividual
LUTNICK, CASEY, STRUSTEEGeneral partnerIndividual
LUTNICK, CASEY, STRUSTEEGeneral partnerIndividual
LUTNICK, CASEY, STRUSTEEGeneral partnerIndividual
Lutnick, KyleTRUSTEEGeneral partnerIndividual
Lutnick, KyleTRUSTEEGeneral partnerIndividual
Lutnick, KyleTRUSTEEGeneral partnerIndividual
Lutnick, KyleTRUSTEEGeneral partnerIndividual
Lutnick, KyleTRUSTEEGeneral partnerIndividual
Lutnick, Ryan, GTRUSTEEGeneral partnerIndividual
Lutnick, Ryan, GTRUSTEEGeneral partnerIndividual
Lutnick, Ryan, GTRUSTEEGeneral partnerIndividual
Lutnick, Ryan, GTRUSTEEGeneral partnerIndividual
Lutnick, Ryan, GTRUSTEEGeneral partnerIndividual

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)

Show all 19 →

Top Trims

Show all 9 →

New Positions

Show all 62 →

Exited Positions

Show all 34 →

O'Connor Alternative Investments LLC Holdings (2026-06-30)

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 CHART INDS GTLS 16115Q308 $598.6M 43.68% 2,865,147 SH
2 TOPBUILD C — 89055F103 $170.3M 12.42% 480,292 SH
3 CLOUDFLARE NET 18915MAC1 $48.9M 3.57% 38,000,000 PRN
4 SNOWFLAKE SNOW 833445AD1 $37.2M 2.71% 21,000,000 PRN
5 ON SEMICON ON 682189AU9 $30.2M 2.20% 25,000,000 PRN
6 AKAMAI TEC AKAM 00971TAN1 $29.8M 2.17% 25,000,000 PRN
7 ALPHABET I GOOG 02079K107 $28.3M 2.06% 80,020 SH
8 SUPER MICR SMCIP 86800U500 $28.2M 2.06% 550,000 SH
9 KLARNA GRO KLAR G5279N105 $22.8M 1.66% 1,127,170 SH
10 ALPHABET I GOOGN 02079K602 $22.6M 1.65% 450,000 SH
11 GAMESTOP C GME 36467WAE9 $20.5M 1.49% 20,000,000 PRN
12 LIVE NATIO — 538034BA6 $17.8M 1.30% 10,000,000 PRN
13 DOORDASH I DASH 25809KAB1 $14.8M 1.08% 15,000,000 PRN
14 AKAMAI TEC AKAM 00971TAQ4 $14.6M 1.07% 10,000,000 PRN
15 ZILLOW GRO Z 98954M200 $10.4M 0.76% 330,595 SH
16 HALOZYME T — 40637HAF6 $10.2M 0.75% 7,000,000 PRN
17 ORACLE COR ORCLPD 68389X204 $9.0M 0.66% 200,000 SH
18 NEWS CORP NWSA 65249B109 $8.6M 0.63% 348,019 SH
19 JENA ACQUI JENA G5093B105 $7.3M 0.53% 700,000 SH
20 FOX CORP FOX 35137L204 $7.1M 0.52% 150,908 SH
21 HEICO CORP HEI.A 422806208 $6.1M 0.44% 23,615 SH
22 EGH ACQUIS EGHA G2946P100 $5.2M 0.38% 500,000 SH
23 IREN LIMIT IREN Q4982L109 $5.1M 0.37% 111,300 SH
24 GORES HOLD GHXIU G40008123 $5.1M 0.37% 500,000 SH
25 ONEIM ACQU OIM G6S74K106 $5.0M 0.37% 500,000 SH
26 GORES HLDG GTEN G4002F109 $5.0M 0.36% 474,796 SH
27 RIVIAN AUT RIVN 76954A103 $4.8M 0.35% 279,000 SH
28 CANTOR EQU CEPV G1828S109 $4.6M 0.34% 450,000 SH
29 ADVANCED E AEIS 007973100 $4.4M 0.32% 11,850 SH
30 LIBERTY GL LBTYK G61188127 $4.4M 0.32% 401,616 SH
31 AGRICULTUR ANSC G0131Y100 $4.4M 0.32% 384,160 SH
32 TRAILBLAZE BLZR G9009S103 $4.0M 0.30% 400,000 SH
33 ISHARES TR ICLN 464288224 $4.0M 0.29% 193,000 SH
34 RUBRIK INC RBRK 781154109 $3.5M 0.26% 43,600 SH
35 NRG ENERGY NRG 629377508 $3.2M 0.23% 22,000 SH
36 OAKTREE AC OACC G6717R104 $3.2M 0.23% 300,000 SH
37 ACCEL ENTE ACEL 00436Q106 $3.1M 0.23% 246,728 SH
38 NORWEGIAN NCLH G66721104 $3.1M 0.22% 145,200 SH
39 GENERAL CA GCGR G3793T104 $3.0M 0.22% 300,000 SH
40 UNDER ARMO UAA 904311107 $2.8M 0.20% 438,543 SH
41 STELLAR V SVCC G8475V103 $2.6M 0.19% 250,000 SH
42 COLLECTIVE CCAQ G2867S109 $2.6M 0.19% 250,000 SH
43 NEW PROVID NPAC G6476A102 $2.6M 0.19% 250,000 SH
44 THAYER VEN TVAI G87890102 $2.6M 0.19% 250,000 SH
45 BLUE WTR A BLUW G1368E106 $2.6M 0.19% 250,000 SH
46 TALON CAP TLNC G86652107 $2.6M 0.19% 250,000 SH
47 SOLARIUS C SOCA G82617104 $2.6M 0.19% 250,000 SH
48 OXLEY BRID OBA G6858G107 $2.6M 0.19% 250,000 SH
49 SPDR SERIE XOP 78468R556 $2.6M 0.19% 16,570 SH
50 ARK ETF TR ARKK 00214Q104 $2.6M 0.19% 31,600 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.37B 156 0002081629-26-000005
2026-03-31 2026-05-15 $1.17B 128 0002081629-26-000003
2026-03-31 2026-08-14 $741.3M 6 0002081629-26-000006
Filer Information
Address
110 E. 59TH ST.
NEW YORK, NY 10022
Phone
(212) 558-4568
Filing Manager
O'Connor Alternative Investments LLC
NEW YORK, NY
Signatory
Charles Mathys
CCO