OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)

CHICAGO, IL · CIK 1132716 · 13F filing filed 2026-02-13

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Others nearbyChicago, IL

$3.7bn reported value +147.5% vs Q3 2025

200positions

70.5%in top 10

0 new 16 added 38 reduced 0 sold out vs Q3 2025

This manager withheld holdings under SEC confidential treatment in both Q4 2025 and Q3 2025, so new and sold-out positions can't be determined.

Options: 5 call positions ($647.9k notional), 31 put positions ($9.6m notional) – listed below, not included above.

Holdings, Q4 2025

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	CYBERARK SOFTWARE LTD SHS CYBR	CYBR	1,040,571	$464.2m12.39%	12.39%	Added +52.8k	+52,757 5.3%
2	CHART INDS INC COM GTLS	GTLS	1,843,737	$380.2m10.15%	10.15%	Added +563.7k	+563,698 44.0%
3	COMERICA INC COM CMA	CMA	3,311,960	$287.9m7.69%	7.69%	Not comparable
4	DAYFORCE INC COM DAY	DAY	4,096,708	$283.3m7.56%	7.56%	Not comparable
5	AVIDITY BIOSCIENCES INC COM RNA	RNA	3,716,597	$268.1m7.16%	7.16%	Not comparable
6	FRONTIER COMMUNICATIONS PARE COM FYBR	FYBR	6,901,367	$262.7m7.01%	7.01%	Added +1.0m	+1,021,598 17.4%
7	AIR LEASE CORP CL A AL	AL	3,039,453	$195.2m5.21%	5.21%	Added +2.2m	+2,222,043 271.8%
8	HOLOGIC INC COM HOLX	HOLX	2,605,031	$194.0m5.18%	5.18%	Not comparable
9	EXACT SCIENCES CORP COM EXAS	EXAS	1,779,212	$180.7m4.82%	4.82%	Not comparable
10	CADENCE BANK COM BXS	BXS	2,916,809	$125.0m3.34%	3.34%	Not comparable
11	CONFLUENT INC CLASS A COM CFLT	CFLT	3,970,660	$120.1m3.21%	3.21%	Not comparable
12	EXACT SCIENCES CORP NOTE 0.375% 3/1 · principal EXAS 0.375 03.15.27 · principal	EXAS 0.375 03.15.27	90,000,000	$93.7m2.50%	2.50%	Not comparable
13	KLARNA GROUP PLC SHS KLAR	KLAR	2,501,675	$72.3m1.93%	1.93%	Not comparable
14	CIDARA THERAPEUTICS INC COM NEW CDTX	CDTX	315,474	$69.7m1.86%	1.86%	Not comparable
15	SEALED AIR CORP NEW COM COM		1,195,854	$49.5m1.32%	1.32%	Not comparable
16	SYNOVUS FINL CORP COM NEW COM NEW		699,181	$35.0m0.93%	0.93%	Not comparable
17	BROADCOM INC COM AVGO	AVGO	78,896	$27.3m0.73%	0.73%	Added +70.9k	+70,946 892.4%
18	PELOTON INTERACTIVE INC NOTE 2/1 · principal PTON 0 02.15.26 · principal	PTON 0 02.15.26	27,352,000	$27.1m0.72%	0.72%	Unchanged
19	MATTEL INC COM MAT	MAT	973,829	$19.3m0.52%	0.52%	Added +30.6k	+30,600 3.2%
20	SNOWFLAKE INC NOTE 10/0 · principal SNOW 0 10.01.29 · principal	SNOW 0 10.01.29	12,300,000	$19.0m0.51%	0.51%	Added +9.8m	+9,800,000 392.0%
21	DRAFTKINGS INC NEW NOTE 3/1 · principal DKNG 0 03.15.28 · principal	DKNG 0 03.15.28	20,000,000	$18.3m0.49%	0.49%	Reduced -2.0m	-2,000,000 -9.1%
22	NVIDIA CORPORATION COM NVDA	NVDA	97,116	$18.1m0.48%	0.48%	Reduced -91.4k	-91,404 -48.5%
23	AMERICAN ELEC PWR CO INC COM AEP	AEP	130,250	$15.0m0.40%	0.40%	Added +88.2k	+88,250 210.1%
24	CENTERPOINT ENERGY INC COM CNP	CNP	381,495	$14.6m0.39%	0.39%	Reduced -6.2k	-6,170 -1.6%
25	ALLIANT ENERGY CORP COM LNT	LNT	224,205	$14.6m0.39%	0.39%	Reduced -78.8k	-78,775 -26.0%
26	AMICUS THERAPEUTICS INC COM FOLD	FOLD	1,000,000	$14.2m0.38%	0.38%	Not comparable
27	CRH PLC ORD CRH	CRH	109,645	$13.7m0.37%	0.37%	Not comparable
28	PARKER-HANNIFIN CORP COM PH	PH	15,460	$13.6m0.36%	0.36%	Not comparable
29	WASTE MGMT INC DEL COM WM	WM	61,675	$13.6m0.36%	0.36%	Not comparable
30	ISHARES TR RUSSELL 2000 ETF IWM	IWM	52,000	$12.8m0.34%	0.34%	Not comparable
31	BOEING CO COM BA	BA	51,535	$11.2m0.30%	0.30%	Not comparable
32	CROCS INC COM CROX	CROX	124,000	$10.6m0.28%	0.28%	Unchanged
33	FIRSTENERGY CORP NOTE 4.000% 5/0 · principal FE 4 05.01.26 · principal	FE 4 05.01.26	10,000,000	$10.2m0.27%	0.27%	Unchanged
34	TALEN ENERGY CORP COM TLN	TLN	26,225	$9.8m0.26%	0.26%	Not comparable
35	NEXTERA ENERGY INC COM NEE	NEE	109,300	$8.8m0.23%	0.23%	Not comparable
36	B2GOLD CORP COM BTG	BTG	1,842,462	$8.3m0.22%	0.22%	Reduced -213.7k	-213,692 -10.4%
37	PALO ALTO NETWORKS INC COM PANW	PANW	45,000	$8.3m0.22%	0.22%	Not comparable
38	SOUTHERN CO NOTE 4.500% 6/1 · principal SO 4.5 06.15.27 · principal	SO 4.5 06.15.27	7,500,000	$8.0m0.21%	0.21%	Reduced -10.0m	-10,000,000 -57.1%
39	ALPHABET INC CAP STK CL A GOOGL	GOOGL	25,010	$7.8m0.21%	0.21%	Not comparable
40	PLYMOUTH INDL REIT INC COM PLYM	PLYM	350,677	$7.7m0.20%	0.20%	Reduced -301.2k	-301,209 -46.2%
41	HILLENBRAND INC COM HI	HI	239,227	$7.6m0.20%	0.20%	Not comparable
42	JENA ACQUISITION CORP II USD CL A ORD SHS JENA	JENA	700,000	$7.1m0.19%	0.19%	Unchanged
43	TOAST INC CL A TOST	TOST	200,000	$7.1m0.19%	0.19%	Added +120.0k	+120,000 150.0%
44	KNIGHT-SWIFT TRANSN HLDGS IN CL A KNX	KNX	133,935	$7.0m0.19%	0.19%	Not comparable
45	TESLA INC COM TSLA	TSLA	13,617	$6.1m0.16%	0.16%	Added +1.8k	+1,817 15.4%
46	TE CONNECTIVITY PLC ORD SHS TEL	TEL	26,355	$6.0m0.16%	0.16%	Not comparable
47	FUTU HLDGS LTD SPON ADS CL A FUTU	FUTU	36,021	$5.9m0.16%	0.16%	Not comparable
48	UNITED AIRLS HLDGS INC COM UAL	UAL	50,000	$5.6m0.15%	0.15%	Not comparable
49	SAIA INC COM SAIA	SAIA	15,840	$5.2m0.14%	0.14%	Not comparable
50	EGH ACQUISITION CORP. SHS CL A EGHA	EGHA	500,000	$5.1m0.14%	0.14%	Unchanged
51	MERCADOLIBRE INC COM MELI	MELI	2,500	$5.0m0.13%	0.13%	Reduced -4.1k	-4,070 -62.0%
52	FLOWSERVE CORP COM FLS	FLS	72,341	$5.0m0.13%	0.13%	Not comparable
53	HONEYWELL INTL INC COM COM		25,712	$5.0m0.13%	0.13%	Not comparable
54	LIVE NATION ENTERTAINMENT IN COM LYV	LYV	34,200	$4.9m0.13%	0.13%	Reduced -32.8k	-32,800 -49.0%
55	GORES HLDGS X INC SHS CL A GTEN	GTEN	474,941	$4.9m0.13%	0.13%	Reduced -75.1k	-75,059 -13.7%
56	CANTOR EQUITY PARTNERS V INC SHS CL A S CEPV	CEPV	450,000	$4.6m0.12%	0.12%	Not comparable
57	AXALTA COATING SYS LTD COM AXTA	AXTA	140,600	$4.5m0.12%	0.12%	Added +55.4k	+55,350 64.9%
58	ENTERGY CORP NEW COM ETR	ETR	48,830	$4.5m0.12%	0.12%	Reduced -159.5k	-159,500 -76.6%
59	UNITED RENTALS INC COM URI	URI	5,400	$4.4m0.12%	0.12%	Reduced -3.4k	-3,370 -38.4%
60	AGRICULTURE & NAT SOL ACQ CO SHS CL A SHS CL A		384,160	$4.3m0.11%	0.11%	Unchanged
61	BOOKING HOLDINGS INC COM BKNG	BKNG	800	$4.3m0.11%	0.11%	Not comparable
62	CONSTELLATION ENERGY CORP COM CEG	CEG	12,100	$4.3m0.11%	0.11%	Not comparable
63	HOWMET AEROSPACE INC COM HWM	HWM	20,000	$4.1m0.11%	0.11%	Reduced -5.0k	-5,000 -20.0%
64	DELTA AIR LINES INC DEL COM NEW DAL	DAL	58,731	$4.1m0.11%	0.11%	Reduced -56.4k	-56,417 -49.0%
65	TRAILBLAZER ACQUISITION CORP ORD SHS CL A BLZR	BLZR	400,000	$4.0m0.11%	0.11%	Not comparable
66	SYNOPSYS INC COM SNPS	SNPS	8,000	$3.8m0.10%	0.10%	Reduced -10.8k	-10,801 -57.5%
67	COHERENT CORP COM COHR	COHR	20,257	$3.7m0.10%	0.10%	Added +4.3k	+4,329 27.2%
68	INTEL CORP COM INTC	INTC	100,000	$3.7m0.10%	0.10%	Reduced -28.0k	-28,000 -21.9%
69	VERTIV HOLDINGS CO COM CL A VRT	VRT	22,057	$3.6m0.10%	0.10%	Added +657	+657 3.1%
70	PDD HOLDINGS INC SPONSORED ADS PDD	PDD	31,107	$3.5m0.09%	0.09%	Reduced -15.7k	-15,694 -33.5%
71	NEWHOLD INVT CORP III ORD SHS CL A ORD SHS CL A		324,604	$3.4m0.09%	0.09%	Reduced -50.4k	-50,396 -13.4%
72	LIVE OAK ACQUISITION CORP V CL A SHS TMS	TMS	324,923	$3.3m0.09%	0.09%	Unchanged
73	OAKTREE ACQUISITION CORP III SHS CL A OACC	OACC	300,000	$3.2m0.08%	0.08%	Unchanged
74	TKO GROUP HOLDINGS INC CL A TKO	TKO	15,000	$3.1m0.08%	0.08%	Added +9.0k	+9,000 150.0%
75	SPRING VY ACQUISITION CORP I SHS CL A GFUZ	GFUZ	300,000	$3.0m0.08%	0.08%	Not comparable
76	NORWEGIAN CRUISE LINE HLDG L SHS NCLH	NCLH	135,000	$3.0m0.08%	0.08%	Unchanged
77	AMPHENOL CORP CL A APH	APH	22,110	$3.0m0.08%	0.08%	Reduced -27.9k	-27,890 -55.8%
78	FIRST SOLAR INC COM FSLR	FSLR	11,300	$3.0m0.08%	0.08%	Not comparable
79	C H ROBINSON WORLDWIDE INC COM NEW CHRW	CHRW	18,170	$2.9m0.08%	0.08%	Reduced -53.6k	-53,630 -74.7%
80	ACCEL ENTERTAINMENT INC COM CL A1 ACEL	ACEL	246,728	$2.8m0.08%	0.08%	Unchanged
81	GP-ACT III ACQUISITION CORP CL A GPAT	GPAT	250,000	$2.7m0.07%	0.07%	Reduced -100.0k	-100,000 -28.6%
82	AA MISSION ACQUISITION CORP ORD SHS CL A AAM	AAM	250,000	$2.7m0.07%	0.07%	Unchanged
83	STELLAR V CAP CORP SHS CL A SVCC	SVCC	250,000	$2.6m0.07%	0.07%	Unchanged
84	BLUE WTR ACQUISITION CORP. I ORD SHS CL A BLUW	BLUW	250,000	$2.6m0.07%	0.07%	Unchanged
85	CARTESIAN GROWTH CORP III COM CL A FAC	FAC	250,000	$2.6m0.07%	0.07%	Unchanged
86	NEW PROVIDENCE ACQUISITION C USD CL A ORD SHS NPAC	NPAC	250,000	$2.6m0.07%	0.07%	Unchanged
87	PFIZER INC COM PFE	PFE	102,623	$2.6m0.07%	0.07%	Not comparable
88	DUNE ACQUISITION CORP II SHS CL A CCAQ	CCAQ	250,000	$2.5m0.07%	0.07%	Unchanged
89	EQV VENTURES ACQUISITION COR CL A ORD SHS FTW	FTW	242,175	$2.5m0.07%	0.07%	Unchanged
90	THAYER VENTURES ACQ CORP II CL A TVAI	TVAI	250,000	$2.5m0.07%	0.07%	Unchanged
91	TALON CAP CORP ORD SHS CL A TLNC	TLNC	250,000	$2.5m0.07%	0.07%	Not comparable
92	OXLEY BRIDGE ACQ LTD USD CL A ORD SHS OBA	OBA	250,000	$2.5m0.07%	0.07%	Unchanged
93	PIONEER ACQUISITION I CORP CL A ORD SHS PACH	PACH	250,000	$2.5m0.07%	0.07%	Unchanged
94	SOLARIUS CAPITAL ACQU CORP SHS CL A SOCA	SOCA	250,000	$2.5m0.07%	0.07%	Unchanged
95	GE VERNOVA INC COM GEV	GEV	3,834	$2.5m0.07%	0.07%	Not comparable
96	M3-BRIGADE ACQUISITION VI CO ORD SHS CL A MBVI	MBVI	250,000	$2.5m0.07%	0.07%	Not comparable
97	HIGHVIEW MERGER CORP ORD SH CL A HVMC	HVMC	250,000	$2.5m0.07%	0.07%	Not comparable
98	CSLM DIGITA ASSET ACQ CORP I USD CL A ORD SHS KOYN	KOYN	250,000	$2.5m0.07%	0.07%	Unchanged
99	BOLD EAGLE ACQUISITION CORP CL A BEAG	BEAG	219,217	$2.3m0.06%	0.06%	Reduced -280.8k	-280,783 -56.2%
100	TJX COS INC NEW COM TJX	TJX	15,000	$2.3m0.06%	0.06%	Not comparable

Options (notional value)

Underlying	Ticker	Type	Shares controlled	Notional	Change
LUCID GROUP INC LCID · Put	LCID	Put	2,777,800	$4.1m2.8m shares	Reduced
HERTZ GLOBAL HLDGS INC HTZ · Put	HTZ	Put	1,194,300	$752.5k1.2m shares	Unchanged
SABRE CORP SABR · Put	SABR	Put	688,600	$705.8k688.6k shares	Unchanged
CHEMOURS CO CC · Put	CC	Put	46,900	$619.1k46.9k shares	Unchanged
HARLEY DAVIDSON INC HOG · Put	HOG	Put	250,000	$550.0k250.0k shares	Reduced
AMERICAN AIRLS GROUP INC AAL · Put	AAL	Put	5,460,000	$534.2k5.5m shares	Reduced
CHARTER COMMUNICATIONS INC N CHTR · Put	CHTR	Put	21,100	$509.7k21.1k shares	Added
TRANSOCEAN LTD RIG · Call	RIG	Call	400,000	$460.0k400.0k shares	Unchanged
FORD MTR CO F · Put	F	Put	900,000	$447.8k900.0k shares	Unchanged
CROCS INC CROX · Put	CROX	Put	81,000	$425.2k81.0k shares	Unchanged
TRANSOCEAN LTD RIG · Put	RIG	Put	483,400	$188.1k483.4k shares	Unchanged
MGM RESORTS INTERNATIONAL MGM · Put	MGM	Put	82,600	$181.4k82.6k shares	Unchanged
COMCAST CORP NEW CMCSA · Call	CMCSA	Call	100,000	$172.5k100.0k shares	Not comparable
NEXTERA ENERGY PARTNERS LP XIFR · Put	XIFR	Put	20,600	$163.8k20.6k shares	Unchanged
B & G FOODS INC NEW BGS · Put	BGS	Put	113,600	$79.5k113.6k shares	Unchanged
CALUMET INC CLMT · Put	CLMT	Put	175,000	$50.5k175.0k shares	Unchanged
HERBALIFE LTD HLF · Put	HLF	Put	82,400	$33.0k82.4k shares	Unchanged
STARWOOD PPTY TR INC STWD · Put	STWD	Put	172,500	$30.2k172.5k shares	Unchanged
WISDOMTREE INC WT · Put	WT	Put	100,000	$30.0k100.0k shares	Not comparable
FIRSTENERGY CORP FE · Put	FE	Put	26,000	$26.0k26.0k shares	Unchanged
VORNADO RLTY TR VNO · Put	VNO	Put	33,500	$25.1k33.5k shares	Unchanged
CHEESECAKE FACTORY INC CAKE · Put	CAKE	Put	20,000	$21.0k20.0k shares	Added
MACYS INC M · Put	M	Put	80,000	$18.8k80.0k shares	Unchanged
PELOTON INTERACTIVE INC PTON · Put	PTON	Put	400,000	$14.0k400.0k shares	Unchanged
ISHARES TR IWM · Put	IWM	Put	45,000	$10.8k45.0k shares	Not comparable