O'Connor Alternative Investments LLC

Est. AUM

$1.17B

13F long equity, this entity only

Positions

128

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	HOLOGIC IN	COM	$235.7M	3118178	20.19%	DFND
2	AIR LEASE	CLA	$185.7M	2860079	15.91%	DFND
3	AMICUS THE	COM	$122.1M	8444992	10.46%	DFND
4	SEALED AIR	COM	$93.1M	2214582	7.98%	DFND
5	ONESTREAM	CLA	$76.5M	3186804	6.55%	DFND
6	DAY ONE BI	COM	$40.0M	1867553	3.43%	DFND
7	SNOWFLAKE	NOTE1	$30.8M	25000000	2.64%	DFND
8	DUKE ENERG	NOTE4	$27.7M	25000000	2.37%	DFND
9	CARNIVAL P	ADS	$25.3M	982643	2.17%	DFND
10	CLOUDFLARE	NOTE8	$25.2M	21500000	2.16%	DFND
11	LIVE NATIO	NOTE3	$22.9M	15000000	1.96%	DFND
12	ON SEMICON	NOTE0	$19.7M	20000000	1.69%	DFND
13	AKAMAI TEC	NOTE1	$17.2M	15000000	1.47%	DFND
14	KLARNA GRO	SHS	$14.8M	1127170	1.26%	DFND
15	ALPHABET I	CAPST	$14.4M	50250	1.24%	DFND
16	VANECK ETF	SEMIC	$10.5M	27500	0.90%	DFND
17	ATRIUM THE	COM	$7.7M	578011	0.66%	DFND
18	FOX CORP	CLBCO	$7.3M	137780	0.63%	DFND
19	JENA ACQUI	USDCL	$7.2M	700000	0.61%	DFND
20	EGH ACQUIS	SHSCL	$5.1M	500000	0.44%	DFND
21	KENSINGTON	UNIT9	$5.0M	500000	0.43%	DFND
22	ONEIM ACQU	ORDSH	$5.0M	500000	0.43%	DFND
23	GORES HLDG	SHSCL	$4.9M	474941	0.42%	DFND
24	CANTOR EQU	SHSCL	$4.5M	450000	0.39%	DFND
25	ZILLOW GRO	CLCCA	$4.5M	107930	0.38%	DFND
26	AGRICULTUR	SHSCL	$4.3M	384160	0.37%	DFND
27	TRAILBLAZE	ORDSH	$4.0M	400000	0.34%	DFND
28	TRG LATIN	UNIT0	$3.5M	350000	0.30%	DFND
29	LIVE OAK A	CLASH	$3.4M	324923	0.29%	DFND
30	NEWHOLD IN	ORDSH	$3.4M	324604	0.29%	DFND
31	WESTERN DI	COM	$3.2M	12000	0.28%	DFND
32	OAKTREE AC	SHSCL	$3.2M	300000	0.27%	DFND
33	ARMADA ACQ	UNIT0	$3.0M	300000	0.26%	DFND
34	CLEARWAY E	CLA	$2.9M	75000	0.25%	DFND
35	NORWEGIAN	SHS	$2.7M	145200	0.23%	DFND
36	GP-ACT III	CLA	$2.7M	250000	0.23%	DFND
37	ACCEL ENTE	COMCL	$2.7M	246728	0.23%	DFND
38	STELLAR V	SHSCL	$2.6M	250000	0.22%	DFND
39	DUNE ACQUI	SHSCL	$2.6M	250000	0.22%	DFND
40	BLUE WTR A	ORDSH	$2.6M	250000	0.22%	DFND
41	NEW PROVID	USDCL	$2.6M	250000	0.22%	DFND
42	CARTESIAN	COMCL	$2.6M	250000	0.22%	DFND
43	THAYER VEN	CLA	$2.6M	250000	0.22%	DFND
44	TALON CAP	ORDSH	$2.5M	250000	0.22%	DFND
45	SOLARIUS C	SHSCL	$2.5M	250000	0.22%	DFND
46	PIONEER AC	CLAOR	$2.5M	250000	0.22%	DFND
47	OXLEY BRID	USDCL	$2.5M	250000	0.22%	DFND
48	M3-BRIGADE	ORDSH	$2.5M	250000	0.22%	DFND
49	HIGHVIEW M	ORDSH	$2.5M	250000	0.22%	DFND
50	CSLM DIGIT	USDCL	$2.5M	250000	0.22%	DFND

1–50 of 128

1 / 3

Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.