Latest WATER ISLAND CAPITAL LLC Stock Portfolio

WATER ISLAND CAPITAL LLC Performance:

2025 Q4: -0.25%YTD: 3.37%2024: -1.82%

Performance for 2025 Q4 is -0.25%, and YTD is 3.37%, and 2024 is -1.82%.

About WATER ISLAND CAPITAL LLC and 13F Hedge Fund Stock Holdings

WATER ISLAND CAPITAL LLC is a hedge fund based in New York, NY. On 2026-02-17, the fund reported it's updated stock portfolio. In the 13F Holdings report, WATER ISLAND CAPITAL LLC reported an equity portfolio of $927.6 Millions as of 31 Dec, 2025.

The top stock holdings of WATER ISLAND CAPITAL LLC are GTLS, CYBR, NSC. The fund has invested 4.2% of it's portfolio in CHART INDUSTRIES INC and 4.2% of portfolio in CYBERARK SOFTWARE LTD.

The fund managers got completely rid off VERONA PHARMA PLC (VRNA), AVIDXCHANGE HOLDINGS INC (AVDX) and INFORMATICA INC (INFA) stocks. They significantly reduced their stock positions in STAAR SURGICAL CO (STAA), PROASSURANCE CORP (PRA) and DAYFORCE INC (CDAY). WATER ISLAND CAPITAL LLC opened new stock positions in EXACT SCIENCES CORP (EXAS), HOLOGIC INC (HOLX) and COMERICA INC (CMA). The fund showed a lot of confidence in some stocks as they added substantially to ELECTRONIC ARTS INC (EA), CHART INDUSTRIES INC (GTLS) and TXNM ENERGY INC (PNM).

WATER ISLAND CAPITAL LLC Annual Return Estimates Vs S&P 500

Our best estimate is that WATER ISLAND CAPITAL LLC made a return of -0.25% in the last quarter. In trailing 12 months, it's portfolio return was 3.37%.

Performance
S&P 500

New Buys

Ticker	$ Bought
exact sciences corp	35,546,900
hologic inc	34,842,100
comerica inc	34,601,400
cidara therapeutics inc	33,289,900
warner bros discovery inc	32,844,300
janus henderson group plc	30,800,900
avadel pharmaceuticals plc	23,427,400
sealed air corp	23,169,200

New stocks bought by WATER ISLAND CAPITAL LLC

Additions

Ticker	% Inc.
rapid7 inc	120
electronic arts inc	104
chart industries inc	48.09
txnm energy inc	27.9
city office reit inc	13.22
soho house & co inc	7.96
international money express in	2.67
norfolk southern corp	2.58

Additions to existing portfolio by WATER ISLAND CAPITAL LLC

Reductions

Ticker	% Reduced
staar surgical co	-89.69
proassurance corp	-77.67
dayforce inc	-74.17
cantaloupe inc	-18.09
aspen insurance holdings ltd	-7.67
synovus financial corp	-4.23
tegna inc	-3.57
anywhere real estate inc	-2.58

WATER ISLAND CAPITAL LLC reduced stake in above stock

Sold off

Ticker	$ Sold
uber technologies inc	-6,090,000
akamai technologies inc	-4,305,610
dexcom inc	-3,195,170
verint systems inc	-2,935,940
avidxchange holdings inc	-28,684,500
hanesbrands inc	-14,924,200
fubotv inc	-1,577,580
wideopenwest inc	-8,040,180

WATER ISLAND CAPITAL LLC got rid off the above stocks

Sector Distribution

WATER ISLAND CAPITAL LLC has about 18.9% of it's holdings in Healthcare sector.

Sector	%
Healthcare	18.9
Industrials	15.1
Others	14.4
Technology	13.2
Communication Services	12.2
Financial Services	11.9
Real Estate	5
Utilities	4.7
Consumer Cyclical	3.2

Market Cap. Distribution

WATER ISLAND CAPITAL LLC has about 33.2% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
MID-CAP	38.1
LARGE-CAP	33.2
UNALLOCATED	14.6
SMALL-CAP	11.4
NANO-CAP	2.7

Stocks belong to which Index?

About 62.4% of the stocks held by WATER ISLAND CAPITAL LLC either belong to S&P 500 or RUSSELL 2000 index.

Index	%
Others	37.6
RUSSELL 2000	34
S&P 500	28.4

Top 5 Winners (%)		%
HOUS	anywhere real estate inc	33.3 %
NWE	northwestern energy group inc	10.1 %
IMXI	international money express in	9.8 %
PNM	txnm energy inc	3.6 %
GTLS	chart industries inc	2.5 %

Top 5 Winners ($)		$
HOUS	anywhere real estate inc	1.6 M
PNM	txnm energy inc	1.2 M
GTLS	chart industries inc	1.0 M
SNV	synovus financial corp	0.4 M
EA	electronic arts inc	0.4 M

Top 5 Losers (%)		%
STAA	staar surgical co	-7.8 %
CYBR	cyberark software ltd	-7.6 %
TGNA	tegna inc	-4.4 %
NSC	norfolk southern corp	-3.8 %
BA	boeing co/the	-0.7 %

Top 5 Losers ($)		$
CYBR	cyberark software ltd	-3.2 M
NSC	norfolk southern corp	-1.5 M
STAA	staar surgical co	-1.4 M
TGNA	tegna inc	-1.1 M
BA	boeing co/the	0.0 M

WATER ISLAND CAPITAL LLC Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of WATER ISLAND CAPITAL LLC

WATER ISLAND CAPITAL LLC has 61 stocks in it's portfolio. About 38.5% of the portfolio is in top 10 stocks. CYBR proved to be the most loss making stock for the portfolio. HOUS was the most profitable stock for WATER ISLAND CAPITAL LLC last quarter.

Last Reported on: 17 Feb, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AKAM	akamai technologies inc	0.00	0.00	0.00	sold off	-100

AL	air lease corp	2.07	298,440	19,168,800	reduced	-0.74

ALEX	alexander & baldwin inc	0.58	263,012	5,428,570	new

AMWD	american woodmark corporatio	0.00	0.00	0.00	sold off	-100

ATXS	astria therapeutics inc	0.87	615,790	8,060,690	new

AURA	aura biosciences inc	0.00	0.00	0.00	sold off	-100

AVDX	avidxchange holdings inc	0.00	0.00	0.00	sold off	-100

AXTA	axalta coating systems ltd	0.72	205,722	6,646,880	new

BA	boeing co/the	0.60	80,000	5,524,800	unchanged	0.00

BHF	brighthouse financial inc	0.20	28,841	1,868,610	new

BL	blackline inc	0.33	3,071,000	3,034,150	unchanged	0.00

BRY	berry corp	0.00	0.00	0.00	sold off	-100

BSY	bentley systems	0.51	5,000,000	4,711,880	unchanged	0.00

CADE	cadence bank	1.37	297,603	12,749,300	new

CCRD	corecard corporation	0.00	0.00	0.00	sold off	-100

CCRN	cross ctry healthcare inc	0.00	0.00	0.00	sold off	-100

CDAY	dayforce inc	0.35	47,453	3,281,850	reduced	-74.17

CDTX	cidara therapeutics inc	3.59	150,708	33,289,900	new

CFLT	confluent inc	2.09	640,113	19,357,000	new

CFLT	confluent inc	0.52	5,000,000	4,855,000	new