OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) Q4 2019 Filing

Filed February 14, 2020

Portfolio Value

$2.6T

Holdings

267

Report Date

Q4 2019

Filing Type

13F-HR

All Holdings (267 positions)

#	Stock	Shares	Value	% Portfolio	Type
1	WCGEURWELLCARE	1,556,362	$513.9B	19.82%
2	—CAESARS	77,848,000	$149.6B	5.77%
3	—MEDICINE	966,509	$82.1B	3.17%
4	—TESLA IN	46,000,000	$69.5B	2.68%
5	DISH 2.375 03/15/24DISH NET	57,000,000	$52.0B	2.01%
6	—MEDICINE	26,000,000	$45.2B	1.74%
7	—MEDICINE	15,412,000	$39.0B	1.50%
8	—BHP GROU	732,021	$34.4B	1.33%
9	—ALLSCRIP	27,500,000	$27.3B	1.05%
10	—EXPERIEN	3,566,666	$26.9B	1.04%	Call
11	—JUNIPER	3,937,500	$26.8B	1.03%	Call
12	—APEX TEC	3,750,000	$26.3B	1.01%	Call
13	—AMAG PHA	31,000,000	$25.7B	0.99%
14	—CHP MERG	2,450,000	$24.9B	0.96%
15	AMZNAMAZON C	13,250	$24.5B	0.94%
16	—DERMIRA	26,000,000	$24.0B	0.92%
17	—NEW PROV	3,415,500	$23.5B	0.90%	Call
18	—GREENSKY	2,623,547	$23.4B	0.90%
19	—DIAMONDP	2,249,500	$21.5B	0.83%	Call
20	TSLATESLA IN	147,700	$21.3B	0.82%	Put
21	—ACAMAR P	2,357,000	$20.9B	0.81%	Call
22	—SOUTH MT	2,366,579	$20.5B	0.79%	Call
23	BABAALIBABA	96,334	$20.4B	0.79%
24	CLVS 1.25 05/01/25CLOVIS O	32,000,000	$20.1B	0.78%
25	—PARATEK	27,750,000	$20.0B	0.77%
26	—FINSERV	2,700,000	$19.7B	0.76%	Call
27	METAFACEBOOK	95,000	$19.5B	0.75%
28	—SWITCHBA	2,484,866	$19.4B	0.75%	Call
29	DBXDROPBOX	1,024,432	$18.3B	0.71%
30	—CIIG MER	1,800,000	$18.3B	0.70%
31	—OSPREY T	2,625,000	$18.0B	0.69%	Call
32	—ACT II G	2,070,443	$17.9B	0.69%	Call
33	DISDISNEY W	120,000	$17.4B	0.67%
34	—FINTECH	1,690,000	$17.1B	0.66%
35	—HEALTHCA	1,600,000	$16.6B	0.64%
36	—TUSCAN H	1,580,000	$15.7B	0.61%
37	—NETFIN A	1,546,595	$15.4B	0.59%
38	—LGL SYS	1,450,000	$14.8B	0.57%
39	—MOSAIC A	1,395,671	$14.4B	0.55%
40	—PROPTECH	1,400,000	$14.3B	0.55%
41	—CALIFORN	3,898,500	$14.2B	0.55%	Put
42	—LEO HOLD	1,280,321	$13.3B	0.51%
43	LYFTLYFT INC	305,328	$13.1B	0.51%
44	—COLLIER	1,462,600	$12.8B	0.49%	Call
45	BMY-RBRISTOL	4,153,884	$12.8B	0.49%
46	—TESLA IN	10,000,000	$12.7B	0.49%
47	—TRINE AC	1,386,450	$12.6B	0.48%	Call
48	—GTY TECH	2,700,000	$12.4B	0.48%	Call
49	GLPIGAMING &	280,900	$12.1B	0.47%
50	—ALUSSA E	1,179,200	$11.9B	0.46%
51	—SILVER S	1,535,134	$11.7B	0.45%	Call
52	—GIGCAPIT	1,158,400	$11.6B	0.45%
53	SDCCQSMILEDIR	1,275,000	$11.1B	0.43%
54	YEXTYEXT INC	765,000	$11.0B	0.43%
55	CRMSALESFOR	67,500	$11.0B	0.42%
56	DEIDOUGLAS	240,500	$10.6B	0.41%
57	—SC HEALT	1,150,000	$10.5B	0.41%	Call
58	RHPRYMAN HO	117,700	$10.2B	0.39%
59	—CF FIN A	1,106,250	$10.1B	0.39%	Call
60	—REPLAY A	985,000	$9.9B	0.38%
61	SUISUN CMNT	65,150	$9.8B	0.38%
62	NVRNVR INC	2,564	$9.8B	0.38%
63	—CRESCENT	975,000	$9.8B	0.38%
64	—SPARTAN	936,259	$9.5B	0.37%
65	FMCF M C CO	95,000	$9.5B	0.37%
66	CPTCAMDEN P	89,263	$9.5B	0.37%
67	HTAEURHEALTHCA	309,300	$9.4B	0.36%
68	—MEGALITH	1,045,336	$9.1B	0.35%	Call
69	ALBALBEMARL	120,000	$8.8B	0.34%
70	—INSURANC	1,069,500	$8.7B	0.34%	Call
71	KRCKILROY R	103,400	$8.7B	0.33%
72	—GS ACQUI	775,000	$8.5B	0.33%
73	ADCAGREE RE	120,400	$8.4B	0.33%
74	ELSEQUITY L	119,400	$8.4B	0.32%
75	CTRECARETRUS	407,000	$8.4B	0.32%
76	WHWYNDHAM	133,500	$8.4B	0.32%
77	VICIVICI PPT	328,177	$8.4B	0.32%
78	—UNION AC	1,600,000	$8.4B	0.32%	Call
79	—INTERXIO	97,600	$8.2B	0.32%
80	—CHURCHIL	1,000,000	$8.1B	0.31%	Call
81	MAAMID AMER	61,150	$8.1B	0.31%
82	—MGM GROW	259,800	$8.0B	0.31%
83	—PIVOTAL	867,166	$8.0B	0.31%	Call
84	WORKSLACK TE	350,000	$7.9B	0.30%
85	AREALEXANDR	46,100	$7.4B	0.29%
86	NHINATIONAL	90,700	$7.4B	0.28%
87	IWMISHARES	44,500	$7.4B	0.28%
88	FCPTFOUR COR	261,300	$7.4B	0.28%
89	—STABLE R	1,050,000	$7.2B	0.28%	Call
90	—CLEVELAN	6,000,000	$7.2B	0.28%
91	—PROTALIX	8,000,000	$7.1B	0.27%
92	—DIAMOND	834,561	$7.1B	0.27%	Call
93	—MIMECAST	160,000	$6.9B	0.27%
94	BDXBECTON D	25,000	$6.8B	0.26%
95	AMHAMERICAN	256,500	$6.7B	0.26%
96	CTXSEURCITRIX S	60,000	$6.7B	0.26%
97	COLDAMERICOL	189,723	$6.7B	0.26%
98	DREUSDDUKE REA	191,800	$6.7B	0.26%
99	EPREPR PPTY	93,800	$6.6B	0.26%
100	HRUSDHEALTHCA	196,400	$6.6B	0.25%

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