WATER ISLAND CAPITAL LLC Q4 2025 Filing

Filed February 17, 2026

Portfolio Value

$927.6M

Holdings

91

Report Date

Q4 2025

Filing Type

13F-HR

All Holdings (91 positions)

#StockSharesValue% PortfolioType
1
GTLSChart Industries Inc
188,325$38.8M4.19%
2
CYBRCyberArk Software Ltd
86,648$38.6M4.17%
3
NSCNorfolk Southern Corp
129,043$37.3M4.02%
4
EAElectronic Arts Inc
180,838$37.0M3.98%
5
EXASExact Sciences Corp
350,009$35.5M3.83%
6
HOLXHologic Inc
467,742$34.8M3.76%
7
CMAComerica Inc
398,037$34.6M3.73%
8
TXNMTXNM Energy Inc
576,411$33.9M3.66%
9
CDTXCidara Therapeutics Inc
150,708$33.3M3.59%
10
WBDWarner Bros Discovery Inc
1,139,634$32.8M3.54%
11
JHGJanus Henderson Group PLC
647,485$30.8M3.32%
12
AVDLAvadel Pharmaceuticals PLC
1,087,117$23.4M2.53%
13
SEESealed Air Corp
559,237$23.2M2.50%
14
TGNATEGNA Inc
1,179,885$22.9M2.47%
15
AHLAspen Insurance Holdings Ltd
572,685$21.2M2.29%
16
CWANClearwater Analytics Holdings
875,632$21.1M2.28%
17
SYU1Synovus Financial Corp
403,650$20.2M2.18%
18
CFLTConfluent Inc
640,113$19.4M2.09%
19
ALAir Lease Corp
298,440$19.2M2.07%
20
STTState Street SPDR S&P 500 ETF
25,000$17.0M1.84%Call
21
Cidara Therapeutics Inc
76,900$17.0M1.83%Put
22
DBRGDigitalBridge Group Inc
929,000$14.3M1.54%
23
TECKTeck Resources Ltd
292,100$14.0M1.51%Put
24
JAMFJamf Holding Corp
985,069$12.8M1.38%
25
CADECadence Bank
297,603$12.7M1.37%
26
HIHillenbrand Inc
399,006$12.7M1.36%
27
PLYMPlymouth Industrial REIT Inc
559,215$12.2M1.32%
28
RNAAvidity Biosciences Inc
168,700$12.2M1.31%Put
29
RNAAvidity Biosciences Inc
168,385$12.1M1.31%
30
KVUEKenvue Inc
695,000$12.0M1.29%Put
31
KVUEKenvue Inc
690,191$11.9M1.28%
32
CSGSCSG Systems International Inc
150,720$11.6M1.25%
33
AM6Amicus Therapeutics Inc
706,617$10.1M1.08%
34
Hillenbrand Inc
315,000$10.0M1.08%Put
35
DVAXDynavax Technologies Corp
610,261$9.4M1.01%
36
QRVOQorvo Inc
109,521$9.3M1.00%
37
FRGEForge Global Holdings Inc
197,075$8.8M0.95%
38
CATBUSDAstria Therapeutics Inc
615,790$8.1M0.87%
39
SEMRSEMrush Holdings Inc
628,602$7.5M0.81%
40
AXTAAxalta Coating Systems Ltd
205,722$6.6M0.72%
41
FOLDAmicus Therapeutics Inc
451,000$6.4M0.69%Call
42
HOUSAnywhere Real Estate Inc
444,821$6.3M0.68%
43
CSGS 3.875 09/15/28CSG SYSTEMS INTERNATIONA
5,000,000$6.0M0.64%
44
SPOT 0 03/15/26SPOTIFY USA INC
5,000,000$5.7M0.61%
45
BA 6 10/15/27BOEING CO/THE
80,000$5.5M0.60%
46
ALEXAlexander & Baldwin Inc
263,012$5.4M0.59%
475,501,530$5.1M0.55%
48
CFLT 0 01/15/27CONFLUENT INC
5,000,000$4.9M0.52%
49
BSY 0.375 07/01/27BENTLEY SYSTEMS
5,000,000$4.7M0.51%
50
HOLXHologic Inc
60,600$4.5M0.49%Put
51
EBEventbrite Inc
987,653$4.4M0.47%
52
KMBKimberly-Clark Corp
42,200$4.3M0.46%Call
534,500,000$4.2M0.45%
54
TXNM 5.75 06/01/54TXNM ENERGY INC
3,000,000$4.0M0.44%
553,500,000$3.4M0.36%
56
DAYDayforce Inc
47,453$3.3M0.35%
57
HALO 0.25 03/01/27HALOZYME THERAPEUTICS IN
3,000,000$3.2M0.35%
58
BL 0 03/15/26BLACKLINE INC
3,071,000$3.0M0.33%
59
VRNS 1 09/15/29VARONIS SYSTEM INC
3,000,000$2.8M0.30%
60
WBDWarner Bros Discovery Inc
94,900$2.7M0.29%Put
612,500,000$2.5M0.27%
62
THSTreeHouse Foods Inc
99,421$2.3M0.25%
63
AXTAAxalta Coating Systems Ltd
67,100$2.2M0.23%Put
64
CORZCore Scientific Inc
143,800$2.1M0.23%Call
65
KVUEKenvue Inc
118,400$2.0M0.22%Call
66
GLAD 5.875 10/01/30GLADSTONE CAPITAL CORP
2,000,000$2.0M0.21%
67
NGDNew Gold Inc
226,878$2.0M0.21%
68
1RGREV Group Inc
31,261$1.9M0.20%
69
BHFBrighthouse Financial Inc
28,841$1.9M0.20%
70
STAASTAAR Surgical Co
67,862$1.6M0.17%
71
WTRGEssential Utilities Inc
36,646$1.4M0.15%
72
CTLPCantaloupe Inc
131,794$1.4M0.15%
73
IMXIInternational Money Express In
88,476$1.4M0.15%
74
EVH 3.5 12/01/29EVOLENT HEALTH INC
2,000,000$1.3M0.14%
75
DENNDenny's Corp
213,445$1.3M0.14%
76
PRAProAssurance Corp
46,992$1.1M0.12%
77
Anywhere Real Estate Inc
71,100$1.0M0.11%Put
78
Anywhere Real Estate Inc
71,100$1.0M0.11%Call
79
NWENorthwestern Energy Group Inc
14,307$923K0.10%
80
MOFGMidWestOne Financial Group Inc
21,980$846K0.09%
81
UDMYUdemy Inc
135,922$795K0.09%
82
ZEUSOlympic Steel Inc
16,293$697K0.08%
83
75ZSoho House & Co Inc
70,756$633K0.07%
84
JHGJanus Henderson Group PLC
12,000$570K0.06%Put
85
CIOCity Office REIT Inc
61,498$429K0.05%
86
DHILDiamond Hill Investment Group
2,482$420K0.05%
87
HTBKHeritage Commerce Corp
33,924$407K0.04%
88
FFWMFirst Foundation Inc
65,919$406K0.04%
89
5TCTrueCar Inc
173,620$392K0.04%
90
FSFGFirst Savings Financial Group
8,788$279K0.03%
91
DKSDick's Sporting Goods Inc
1,100$217K0.02%