WATER ISLAND CAPITAL LLC Q1 2019 Filing

Filed May 3, 2019

Portfolio Value

$1.7B

Holdings

92

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (92 positions)

#StockSharesValue% PortfolioType
1
TRCOTRIBUNE MEDIA CO
3,445,396$159.0M9.55%
2
RHT1EURRED HAT INC
605,253$110.6M6.64%
3
L3 TECHNOLOGIES INC
465,501$96.1M5.77%
4
FDCFIRST DATA CORP NEW
3,381,262$88.8M5.34%
5
NAVIGATORS GROUP INC
1,133,841$79.2M4.76%
6
INTEGRATED DEVICE TECHNOLOGY
1,592,522$78.0M4.69%
7
LUXOFT HLDG INC
1,147,064$67.3M4.05%
8
ULTIMATE SOFTWARE GROUP INC
198,944$65.7M3.95%
9
MELLANOX TECHNOLOGIES LTD
548,700$64.9M3.90%
10
SPARK THERAPEUTICS INC
553,639$63.0M3.79%
11
ARRIS INTERNATIONAL PLC
1,911,973$60.4M3.63%
12
SUNTRUST BKS INC
1,014,466$60.1M3.61%
13
ELLIE MAE INC
596,223$58.8M3.53%
14
OAKTREE CAP GROUP LLC
1,113,860$55.3M3.32%
15
TRAVELPORT WORLDWIDE LTD
3,447,252$54.2M3.26%
16
GOLDCORP INC NEW
4,352,296$49.8M2.99%
17
U S G CORP
1,103,792$47.8M2.87%
18
BELMOND LTD
1,802,371$44.9M2.70%
19
INFRAREIT INC
1,822,688$38.2M2.30%
20
QUANTENNA COMMUNICATIONS INC
1,078,000$26.2M1.58%
21
PACBPACIFIC BIOSCIENCES CALIF IN
3,623,677$26.2M1.57%
22
NATIONAL COMM CORP
648,037$25.4M1.53%
23
ATTUNITY LTD
997,724$23.4M1.41%
24
TCF FINL CORP
1,033,149$21.4M1.28%
25
TIER REIT INC
743,917$21.3M1.28%
26
AABAUSDALTABA INC
245,697$18.2M1.09%
27
RTI INTL METALS INC
16,184,000$16.2M0.97%
28
NIGHTSTAR THERAPEUTICS PLC
490,993$12.5M0.75%
29
MEDEQUITIES RLTY TR INC
1,106,777$12.3M0.74%
30
FOXAFOX CORP
330,981$12.2M0.73%
31
UPBDRENT A CTR INC NEW
508,041$10.6M0.64%
32
HFF INC
215,673$10.3M0.62%
33
CLEMENTIA PHARMACEUTICALS IN
383,907$10.0M0.60%
34
MULTI COLOR CORP
189,886$9.5M0.57%
35
CELGCELGENE CORP
87,500$8.3M0.50%
36
HDHOME DEPOT INC
26,790$5.1M0.31%
37
OSIRIS THERAPEUTICS INC NEW
257,485$4.9M0.29%
38
LOGMEURLOGMEIN INC
53,025$4.2M0.26%
39
NSCNORFOLK SOUTHERN CORP
22,131$4.1M0.25%
40
IMMUNE DESIGN CORP
608,000$3.6M0.21%
41
APDAIR PRODS & CHEMS INC
16,968$3.2M0.19%
42
ARNCCHFARCONIC INC
166,307$3.2M0.19%
43
HRIHERC HLDGS INC
80,316$3.1M0.19%
44
PRSPPERSPECTA INC
151,665$3.1M0.18%
45
TRNTRINITY INDS INC
107,189$2.3M0.14%
46
DGDOLLAR GEN CORP NEW
16,809$2.0M0.12%
47
PARATEK PHARMACEUTICALS INC
366,648$2.0M0.12%
48
INTEGRATED DEVICE TECHNOLOGY
1,000,000$1.6M0.09%
49
NXP SEMICONDUCTORS N V
1,500,000$1.5M0.09%
50
SYNAPTICS INC
1,500,000$1.4M0.08%
51
DELLDELL TECHNOLOGIES INC
18,735$1.1M0.07%
52
ROVI CORP
1,000,000$969K0.06%
53
FIVEFIVE BELOW INC
7,790$968K0.06%
54
NIHDEURNII HLDGS INC
432,443$848K0.05%
55
MGAMAGNA INTL INC
17,012$828K0.05%
56
LEALEAR CORP
5,219$708K0.04%
57
CENTENE CORP DEL
161,700$671K0.04%Call
58
MELLANOX TECHNOLOGIES
300,800$610K0.04%Put
59
FIDELITY NATL INFORMATION SV
294,400$490K0.03%Call
60
TEN1TENNECO INC
22,077$489K0.03%
61
RAMPLIVERAMP HLDGS INC
7,117$388K0.02%
62
TRIBUNE PUBG CO NEW
32,034$378K0.02%
63
CNCCENTENE CORP DEL
100,100$377K0.02%Put
64
ARLOARLO TECHNOLOGIES INC
81,101$335K0.02%
65
DOVDOVER CORP
98,400$298K0.02%Call
66
QUADQUAD / GRAPHICS INC
24,448$291K0.02%
67
SPARK THERAPEUTICS INC
488,800$284K0.02%Put
68
BTUPEABODY ENERGY CORP NEW
9,000$255K0.02%
69
CCOCAMECO CORP
20,700$244K0.01%
70
BEBLOOM ENERGY CORP
18,500$239K0.01%
71
BTEBAYTEX ENERGY CORP
137,500$232K0.01%
72
GOGO INC
220,000$214K0.01%
73
MITKMITEK SYS INC
15,500$190K0.01%
74
FOXAFOX CORP
59,800$184K0.01%Put
75
CNX MIDSTREAM PARTNERS LP
11,500$175K0.01%
76
CHEMICAL FINL CORP
517,400$173K0.01%Call
77
UPBDRENT A CTR INC NEW
71,500$156K0.01%Call
78
AVYAUSDAVAYA HLDGS CORP
38,280$142K0.01%
79
GSATUSDGLOBALSTAR INC
280,000$120K0.01%
80
RED HAT INC
39,200$97K0.01%Put
81
BB&T CORP
212,500$95K0.01%Call
82
LOGMEIN INC
26,800$86K0.01%Put
83
SERVICEMASTER GLOBAL HLDGS I
116,900$67K0.00%Call
84
ARCONIC INC
125,000$65K0.00%Call
85
LUXOFT HLDG INC
596,900$60K0.00%Put
86
HRIHERC HLDGS INC
47,400$56K0.00%Put
87
SPYSPDR S&P 500 ETF TR
30,000$36K0.00%Put
88
QEP RES INC
95,600$26K0.00%Call
89
QQQINVESCO QQQ TR
30,000$20K0.00%Put
90
GOLDCORP INC NEW
64,500$4K0.00%Put
91
MITEK SYS INC
12,000$3K0.00%Put
92
PAPA JOHNS INTL INC
33,000$1K0.00%Put