Login
Super Investors O'Connor Alternative Investments LLC
OA

O'Connor Alternative Investments LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.37B
Positions
156
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (2 quarters reported)

$1.91B $1.37B
Q1 26 Q2 26

$1.91B in Q1 2026 → $1.37B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
CI Chart Inds 43.7% Added 42% 2,865,147 $599M
TC Topbuild C 12.4% New 480,292 $170M
Cloudflare 3.6% Added 77% 38,000,000 $48.9M
Snowflake 2.7% Trimmed 16% 21,000,000 $37.2M
OS On Semicon 2.2% Added 25% 25,000,000 $30.2M
AT Akamai Tec 2.2% Added 67% 25,000,000 $29.8M
AI Alphabet I 2.1% Added 59% 80,020 $28.3M
SM Super Micr 2.1% New 550,000 $28.2M
KG Klarna Gro 1.7% Unchanged 1,127,170 $22.8M
AI Alphabet I 1.6% New 450,000 $22.6M
GC Gamestop C 1.5% New 20,000,000 $20.5M
LN Live Natio 1.3% Trimmed 33% 10,000,000 $17.8M
DI Doordash I 1.1% New 15,000,000 $14.8M
AT Akamai Tec 1.1% New 10,000,000 $14.6M
ZG Zillow Gro 0.8% Added 206% 330,595 $10.4M
HT Halozyme T 0.7% New 7,000,000 $10.2M
OC Oracle Cor 0.7% New 200,000 $8.98M
News Corp 0.6% New 348,019 $8.64M
JA Jena Acqui 0.5% Unchanged 700,000 $7.25M
Fox Corp 0.5% Added 9.5% 150,908 $7.07M
Heico Corp 0.4% New 23,615 $6.09M
EA Egh Acquis 0.4% Unchanged 500,000 $5.15M
IL Iren Limit 0.4% New 111,300 $5.09M
GH Gores Hold 0.4% New 500,000 $5.07M
OA Oneim Acqu 0.4% Unchanged 500,000 $5.04M
GH Gores Hldg 0.4% Trimmed 0.0% 474,796 $4.95M
RA Rivian Aut 0.4% New 279,000 $4.84M
CE Cantor Equ 0.3% Unchanged 450,000 $4.64M
AE Advanced E 0.3% New 11,850 $4.42M
LG Liberty Gl 0.3% Added 116% 401,616 $4.42M
A Agricultur 0.3% Unchanged 384,160 $4.39M
T Trailblaze 0.3% Unchanged 400,000 $4.05M
IT Ishares Tr 0.3% New 193,000 $3.95M
Rubrik Inc 0.3% New 43,600 $3.5M
Nrg Energy 0.2% New 22,000 $3.21M
OA Oaktree Ac 0.2% Unchanged 300,000 $3.21M
AE Accel Ente 0.2% Unchanged 246,728 $3.11M
N Norwegian 0.2% Unchanged 145,200 $3.07M
GC General Ca 0.2% New 300,000 $3.03M
UA Under Armo 0.2% Added 9.6% 438,543 $2.8M
SV Stellar V 0.2% Unchanged 250,000 $2.63M
C Collective 0.2% Unchanged 250,000 $2.61M
NP New Provid 0.2% Unchanged 250,000 $2.6M
TV Thayer Ven 0.2% Unchanged 250,000 $2.59M
BW Blue Wtr A 0.2% Unchanged 250,000 $2.58M
TC Talon Cap 0.2% Unchanged 250,000 $2.58M
SC Solarius C 0.2% Unchanged 250,000 $2.57M
OB Oxley Brid 0.2% Unchanged 250,000 $2.56M
SS SPDR Serie 0.2% New 16,570 $2.56M
AE Ark ETF Tr 0.2% New 31,600 $2.55M
PA Pioneer Ac 0.2% Unchanged 250,000 $2.55M
HM Highview M 0.2% Unchanged 250,000 $2.54M
CD Cslm Digit 0.2% Unchanged 250,000 $2.54M
M M3-brigade 0.2% Unchanged 250,000 $2.53M
AE Ark ETF Tr 0.2% New 73,600 $2.51M
II Ishares In 0.2% New 26,700 $2.49M
W6 Wilco 63 C 0.2% New 250,000 $2.49M
QA Qdro Acqui 0.2% New 250,000 $2.48M
IT Ishares Tr 0.2% New 50,000 $2.47M
IE Invesco Ex 0.2% New 41,700 $2.47M

Showing top 60 of 156 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 1 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
HI Hologic In Exited −3,118,178 −$236M —
AL Air Lease Exited −2,860,079 −$186M —
CI Chart Inds Added +846,804 +$177M 43.7%
TC Topbuild C New +480,292 +$170M 12.4%
C Clearwater Exited −6,409,535 −$152M —
A Amicus The Exited −8,444,992 −$122M —
SA Sealed Air Exited −2,214,582 −$93.1M —
Onestream Exited −3,186,804 −$76.5M —
MC Masimo Cor Exited −412,903 −$73.4M —
AI Arcellx In Exited −450,504 −$51.7M —

Showing the 10 largest of 125 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support