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Holdings (Monthly) Guide ↗

Water Island Event-Driven Fund

· Arbitrage Funds
Monthly Holdings $61M AUM 208 positions Period May 2026 Filed Jul 7, 2026 EDGAR ↗ ← All Funds
All 141 New 17 Added 7 Reduced 26 Exited · May 2026 vs Feb 2026
# Name Ticker Since Shares Shares Δ Value Val Δ% % Port Cat
1 MORGAN STANLEY PRIME BROKER US 000000000 May 2024 7,846,389 +7,184,609 $7.8M +1085.7% 15.67% —
2 Janus Henderson Group PLC 000000000 May 2024 45,590 NEW $2.4M — 4.71% EC
3 Electronic Arts Inc 285512109 Feb 2026 11,451 +656 $2.3M +6.7% 4.61% EC
4 Endeavor Group Holdings Inc 29260Y109 May 2024 66,527 — $2.0M +2.2% 4.07% EC
5 Warner Bros Discovery Inc 934423104 Feb 2026 74,026 +5,454 $2.0M +3.5% 3.99% EC
6 Chart Industries Inc 16115Q308 Feb 2026 9,608 +2,397 $2.0M +33.6% 3.99% EC
7 Penumbra Inc 70975L107 Feb 2026 6,055 +1,267 $1.9M +16.9% 3.85% EC
8 ECHOSTAR CORP 278768AA4 Feb 2026 1,860,000 — $1.9M +0.9% 3.79% DBT
9 Caesars Entertainment Inc 12769G100 Feb 2026 64,314 +51,914 $1.9M +501.5% 3.73% EC
10 LiveRamp Holdings Inc 53815P108 May 2026 46,269 NEW $1.7M — 3.47% EC
11 DigitalBridge Group Inc 25401T603 Feb 2026 103,021 +37,111 $1.6M +58.2% 3.22% EC
12 TXNM Energy Inc 69349H107 May 2024 25,138 +2,841 $1.5M +13.1% 2.97% EC
13 National Storage Affiliates Trust 637870106 May 2026 34,833 NEW $1.5M — 2.97% EC
14 Norfolk Southern Corp 655844108 Feb 2026 4,694 — $1.4M -3.1% 2.86% EC
15 Masimo Corp 574795100 Feb 2026 7,832 +708 $1.4M +11.9% 2.79% EC
16 TopBuild Corp 89055F103 May 2026 3,061 NEW $1.3M — 2.55% EC
17 Schroders PLC 000000000 May 2024 161,069 NEW $1.3M — 2.53% EC
18 Catalyst Pharmaceuticals Inc 14888U101 May 2026 40,549 NEW $1.3M — 2.53% EC
19 CHART INDUSTRIES INC 16115QAF7 Feb 2026 1,000,000 +514,000 $1.0M +105.1% 2.07% DBT
20 KalVista Pharmaceuticals Inc 483497103 May 2026 37,497 NEW $1.0M — 2.01% EC
21 Organon & Co 68622V106 May 2026 74,133 NEW $989K — 1.97% EC
22 NCR ATLEOS LLC 638962AA8 May 2026 864,000 NEW $924K — 1.84% DBT
23 Bayer AG 000000000 May 2024 20,000 NEW $852K — 1.70% EC
24 Amneal Pharmaceuticals Inc 03168L105 May 2026 64,000 NEW $843K — 1.68% EC
25 BAUSCH + LOMB CORP 071705AA5 Feb 2026 790,000 — $816K -0.4% 1.63% DBT
26 KENNEDY-WILSON INC 489399AM7 Feb 2026 804,000 — $810K +4.0% 1.62% DBT
27 Sila Realty Trust Inc 146280508 May 2026 24,978 NEW $755K — 1.51% EC
28 Whitestone REIT 966084204 May 2026 39,356 NEW $751K — 1.50% EC
29 Silicon Laboratories Inc 826919102 Feb 2026 3,444 +1,038 $749K +52.3% 1.50% EC
30 Dominion Energy Inc 25746U109 May 2026 11,009 NEW $737K — 1.47% EC
31 Stellar Bancorp Inc 858927106 Feb 2026 19,302 +19,181 $721K +15716.5% 1.44% EC
32 Olaplex Inc 67936UAB7 May 2026 694,000 NEW $696K — 1.39% LON
33 Boeing Co/The 097023105 May 2026 2,800 NEW $647K — 1.29% EC
34 Skechers USA Inc 830566105 Feb 2026 39,204 — $643K +0.0% 1.28% EC
35 RAPID7 INC 753422AH7 Feb 2026 768,000 — $634K -3.1% 1.27% DBT
36 SkyWest Inc 830879102 May 2026 6,800 NEW $582K — 1.16% EC
37 Alaska Air Group Inc 011659109 May 2026 12,000 NEW $552K — 1.10% EC
38 Dick's Sporting Goods Inc 253393102 Feb 2026 2,300 +1,050 $523K +105.6% 1.05% EC
39 XOMA Royalty Corp 98419J206 May 2026 12,194 NEW $509K — 1.02% EC
40 Avanos Medical Inc 05350V106 May 2026 20,485 NEW $508K — 1.01% EC
41 Beazley PLC 000000000 May 2024 29,387 NEW $507K — 1.01% EC
42 Centessa Pharmaceuticals PLC 152309100 May 2026 12,500 NEW $497K — 0.99% EC
43 Cineplex Inc 172454100 May 2024 60,000 -20,000 $476K -23.7% 0.95% EC
44 Penn Entertainment Inc 707569109 Feb 2026 22,000 +2,770 $414K +37.7% 0.83% EC
45 United Airlines Holdings Inc 910047109 May 2026 3,600 NEW $413K — 0.83% EC
46 IHEARTCOMMUNICATIONS INC 45174HBM8 May 2026 398,000 NEW $365K — 0.73% DBT
47 EchoStar Corp 278768106 Feb 2026 2,800 +300 $362K +25.2% 0.72% EC
48 Kenvue Inc 49177J102 Feb 2026 20,045 -20,046 $346K -54.8% 0.69% EC
49 VF Corp 918204108 May 2026 20,000 NEW $344K — 0.69% EC
50 Pacific Biosciences of California Inc 69404D108 Feb 2026 227,017 +72,017 $338K +29.9% 0.68% EC
51 Aura Biosciences Inc 05153U107 May 2026 42,000 NEW $314K — 0.63% EC
52 EMRLD Borrower LP 26872NAC3 Feb 2026 285,281 -719 $286K +0.2% 0.57% LON
53 IHEARTCOMMUNICATIONS INC 45174HBJ5 May 2026 288,000 NEW $279K — 0.56% DBT
54 QXO Inc 82846H405 May 2026 16,000 NEW $276K — 0.55% EC
55 Viking Therapeutics Inc 92686J106 Feb 2026 8,000 -60 $262K -4.0% 0.52% EC
56 GLADSTONE CAPITAL CORP 376535AG5 Feb 2026 232,000 -287,000 $221K -54.7% 0.44% DBT
57 EQT Corp 26884L109 May 2026 4,000 NEW $220K — 0.44% EC
58 Intertek Group PLC 000000000 May 2024 2,002 NEW $143K — 0.29% EC
59 CONTRA RESOLUTE FOREST 761CVR042 May 2024 68,936 — $105K +2.5% 0.21% DE
60 CONTRA ALBIREO PHARMA 013CVR022 May 2024 34,047 — $100K +2.5% 0.20% DE
61 CONTRA CONCERT PHARMAC 206CVR011 May 2024 154,954 — $78K +2.5% 0.16% DE
62 Bristol-Myers Squibb Co 110122157 May 2024 67,803 — $76K +0.0% 0.15% DE
63 CONTRA METSERA INC 592CVR013 Feb 2026 8,653 — $45K +2.5% 0.09% DE
64 CONTRA AVADEL PHARMACE 000000000 May 2024 35,059 NEW $23K — 0.05% DE
65 CONTRA ABIOMED INC 003CVR016 May 2024 13,890 — $22K +0.0% 0.04% DE
66 Goldman Sachs & Co. LLC 000000000 May 2024 346 NEW $14K — 0.03% DE
67 CONTRA AKERO THERAPEUT 009CVR044 Feb 2026 16,553 — $11K +2.5% 0.02% DE
68 CONTRA TREEHOUSE FOODS 894CVR018 Feb 2026 5,664 — $11K +2.5% 0.02% DE
69 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $9K — 0.02% DFE
70 Goldman Sachs & Co. LLC 000000000 May 2024 100 NEW $8K — 0.02% DE
71 Morgan Stanley & Co. LLC 000000000 May 2024 40 NEW $6K — 0.01% DE
72 Goldman Sachs & Co. LLC 000000000 May 2024 31 NEW $6K — 0.01% DE
73 Morgan Stanley & Co. LLC 000000000 May 2024 65 NEW $4K — 0.01% DE
74 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $4K — 0.01% DFE
75 Goldman Sachs & Co. LLC 000000000 May 2024 377 NEW $4K — 0.01% DE
76 Morgan Stanley & Co. LLC 000000000 May 2024 81,920 NEW $2K — 0.00% DE
77 Morgan Stanley & Co. LLC 000000000 May 2024 34 NEW $1K — 0.00% DE
78 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $856 — 0.00% DFE
79 Goldman Sachs & Co. LLC 000000000 May 2024 94 NEW $470 — 0.00% DE
80 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $392 — 0.00% DFE
81 CONTRA APELLIS PHARMAC 037CVR016 May 2026 8,000 NEW $241 — 0.00% DE
82 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $231 — 0.00% DFE
83 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $225 — 0.00% DFE
84 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $214 — 0.00% DFE
85 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $194 — 0.00% DFE
86 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $175 — 0.00% DFE
87 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $168 — 0.00% DFE
88 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $148 — 0.00% DFE
89 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $120 — 0.00% DFE
90 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $113 — 0.00% DFE
91 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $111 — 0.00% DFE
92 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $93 — 0.00% DFE
93 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $90 — 0.00% DFE
94 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $89 — 0.00% DFE
95 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $82 — 0.00% DFE
96 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $73 — 0.00% DFE
97 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $69 — 0.00% DFE
98 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $68 — 0.00% DFE
99 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $68 — 0.00% DFE
100 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $63 — 0.00% DFE
101 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $42 — 0.00% DFE
102 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $40 — 0.00% DFE
103 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $39 — 0.00% DFE
104 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $20 — 0.00% DFE
105 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $18 — 0.00% DFE
106 MORGAN STANLEY PRIME BROKER CA 000000000 May 2024 7 NEW $5 — 0.00% STIV
107 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $3 — 0.00% DFE
108 CONTRA HOLOGIC INCORPO 436CVR021 May 2026 29,603 NEW $0 — 0.00% DE
109 CONTRA ARCELLX INC 039CVR014 May 2026 10,933 NEW $0 — 0.00% DE
110 Morgan Stanley & Co. LLC 000000000 May 2024 71 NEW $0 — 0.00% DE
111 Goldman Sachs & Co. LLC 000000000 May 2024 308 NEW $0 — 0.00% DE
112 ESC PIVOTAL SOFTWARE I 725ESC016 Feb 2026 745 — $0 — 0.00% EC
113 Goldman Sachs & Co. LLC 000000000 May 2024 80 NEW $0 — 0.00% DE
114 Goldman Sachs & Co. LLC 000000000 May 2024 143 NEW $0 — 0.00% DE
115 Goldman Sachs & Co. LLC 000000000 May 2024 35 NEW $0 — 0.00% DE
116 SEK CASH COLLATERAL 000000000 May 2024 -12 NEW $-1 — -0.00% STIV
117 MORGAN STANLEY PRIME BROKER EU 000000000 May 2024 -1 NEW $-2 — -0.00% —
118 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-4 — -0.00% DFE
119 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-9 — -0.00% DFE
120 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-11 — -0.00% DFE
121 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-24 — -0.00% DFE
122 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-30 — -0.00% DFE
123 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-31 — -0.00% DFE
124 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-36 — -0.00% DFE
125 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-36 — -0.00% DFE
126 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-36 — -0.00% DFE
127 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-43 — -0.00% DFE
128 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-47 — -0.00% DFE
129 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-47 — -0.00% DFE
130 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-48 — -0.00% DFE
131 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-52 — -0.00% DFE
132 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-71 — -0.00% DFE
133 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-72 — -0.00% DFE
134 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-75 — -0.00% DFE
135 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-94 — -0.00% DFE
136 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-95 — -0.00% DFE
137 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-96 — -0.00% DFE
138 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-102 — -0.00% DFE
139 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-111 — -0.00% DFE
140 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-113 — -0.00% DFE
141 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-113 — -0.00% DFE
142 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-114 — -0.00% DFE
143 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-115 — -0.00% DFE
144 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-121 — -0.00% DFE
145 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-123 — -0.00% DFE
146 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-155 — -0.00% DFE
147 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-155 — -0.00% DFE
148 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-157 — -0.00% DFE
149 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-160 — -0.00% DFE
150 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-165 — -0.00% DFE
151 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-173 — -0.00% DFE
152 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-185 — -0.00% DFE
153 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-197 — -0.00% DFE
154 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-207 — -0.00% DFE
155 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-251 — -0.00% DFE
156 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-264 — -0.00% DFE
157 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-312 — -0.00% DFE
158 Morgan Stanley & Co. LLC 000000000 May 2024 -4 NEW $-1564 — -0.00% DE
159 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-1833 — -0.00% DFE
160 Morgan Stanley & Co. LLC 000000000 May 2024 -4 NEW $-2040 — -0.00% DE
161 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-2152 — -0.00% DFE
162 Goldman Sachs & Co. LLC 000000000 May 2024 -8 NEW $-2520 — -0.01% DE
163 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-2634 — -0.01% DFE
164 Goldman Sachs & Co. LLC 000000000 May 2024 -100 NEW $-3900 — -0.01% DE
165 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-5221 — -0.01% DFE
166 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-5342 — -0.01% DFE
167 Morgan Stanley & Co. LLC 000000000 May 2024 -8 NEW $-8120 — -0.02% DE
168 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-9200 — -0.02% DFE
169 Morgan Stanley & Co. LLC 000000000 May 2024 1 NEW $-12622 — -0.03% DFE
170 iHeartMedia Inc 45174J509 May 2026 -3,317 NEW $-14296 — -0.03% EC
171 Rapid7 Inc 753422104 Feb 2026 -1,766 — $-14799 +34.7% -0.03% EC
172 Goldman Sachs & Co. LLC 000000000 May 2024 -8 NEW $-17040 — -0.03% DE
173 Gladstone Capital Corp 376535878 Feb 2026 -1,949 +2,437 $-37752 -52.7% -0.08% EC
174 Kimberly-Clark Corp 494368103 May 2026 -733 NEW $-71541 — -0.14% EC
175 Morgan Stanley & Co. LLC 000000000 May 2024 1,045,166 NEW $-187666 — -0.37% DE
176 Boston Scientific Corp 101137107 Feb 2026 -6,270 -1,312 $-302904 -20.5% -0.60% EC
177 Prosperity Bancshares Inc 743606105 Feb 2026 -7,340 -7,294 $-506166 +15536.8% -1.01% EC
178 QXO Inc 82846H405 May 2026 -34,008 NEW $-586638 — -1.17% EC
179 NextEra Energy Inc 65339F101 May 2026 -8,959 NEW $-779523 — -1.56% EC
180 Advanced Micro Devices Inc 007903107 May 2026 -1,600 NEW $-825760 — -1.65% EC
181 Public Storage 74460D109 May 2026 -4,876 NEW $-1480792 — -2.96% EC
182 State Street SPDR S&P 500 ETF Trust 78462F103 May 2026 -4,200 NEW $-3177216 — -6.35% EC
✕ FRONTIER COMMUNICATIONS 35908MAD2 — 2,712,000 SOLD $2.8M — — —
✕ Hologic Inc 436440101 — 27,953 SOLD $2.1M — — —
✕ Exact Sciences Corp 30063P105 — 19,841 SOLD $2.1M — — —
✕ Confluent Inc 20717M103 — 45,063 SOLD $1.4M — — —
✕ TEGNA Inc 87901J105 — 60,492 SOLD $1.3M — — —
✕ Great Lakes Dredge & Dock Corp 390607109 — 59,079 SOLD $1.0M — — —
✕ Tri Pointe Homes Inc 87265H109 — 21,534 SOLD $1.0M — — —
✕ Air Lease Corp 00912X302 — 13,589 SOLD $0.9M — — —
✕ Arcellx Inc 03940C100 — 7,676 SOLD $0.9M — — —
✕ Sealed Air Corp 81211K100 — 19,340 SOLD $0.8M — — —
✕ CALPINE LLC 131347CN4 — 794,000 SOLD $0.8M — — —
✕ Amicus Therapeutics Inc 03152W109 — 47,787 SOLD $0.7M — — —
✕ Enhabit Inc 29332G102 — 48,082 SOLD $0.7M — — —
✕ TEGNA INC 87901JAH8 — 631,000 SOLD $0.6M — — —
✕ Morgan Stanley & Co. LLC 61747C707 — 549,464 SOLD $0.5M — — —
✕ State Street Global Advisors 857492706 — 549,464 SOLD $0.5M — — —
✕ Veris Residential Inc 554489104 — 26,592 SOLD $0.5M — — —
✕ Webster Financial Corp 947890109 — 6,929 SOLD $0.5M — — —
✕ Clearwater Analytics Holdings Inc 185123106 — 13,202 SOLD $0.3M — — —
✕ Ventyx Biosciences Inc 92332V107 — 18,076 SOLD $0.3M — — —
✕ Alexander & Baldwin Inc 014491104 — 11,826 SOLD $0.2M — — —
✕ Figma Inc 316841105 — 1,600 SOLD $0.0M — — —
✕ Atrium Therapeutics Inc 04965N104 — 1,150 SOLD $0.0M — — —
✕ RAPT Therapeutics Inc 75382E208 — 100 SOLD $0.0M — — —
✕ Palo Alto Networks Inc 697435105 — 0 SOLD $0.0M — — —
✕ Banco Santander SA 05964H105 — -14,238 SOLD $-0.2M — — —