Latest WATER ISLAND CAPITAL LLC Stock Portfolio

$895Million– No. of Holdings #77

WATER ISLAND CAPITAL LLC Performance:
2026 Q1: 0.07%YTD: 0.07%2025: 3.37%

Performance for 2026 Q1 is 0.07%, and YTD is 0.07%, and 2025 is 3.37%.

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 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, WATER ISLAND CAPITAL LLC reported an equity portfolio of $895.6 Millions as of 31 Mar, 2026.

The top stock holdings of WATER ISLAND CAPITAL LLC are EA, JHG, WBD. The fund has invested 5.7% of it's portfolio in ELECTRONIC ARTS INC and 5.3% of portfolio in JANUS HENDERSON GROUP PLC.

The fund managers got completely rid off CYBERARK SOFTWARE LTD (CYBR), EXACT SCIENCES CORP (EXAS) and COMERICA INC (CMA) stocks. They significantly reduced their stock positions in SEALED AIR CORP NEW (SEE), CLEARWATER ANALYTICS HLDGS I (CWAN) and CSG SYS INTL INC (CSGS). WATER ISLAND CAPITAL LLC opened new stock positions in PENUMBRA INC (PEN), MASIMO CORP (MASI) and WEBSTER FINL CORP (WBS). The fund showed a lot of confidence in some stocks as they added substantially to DICKS SPORTING GOODS INC (DKS), JANUS HENDERSON GROUP PLC (JHG) and WARNER BROS DISCOVERY INC (WBD).
WATER ISLAND CAPITAL LLC Equity Portfolio Value
Last Reported on: 15 May, 2026

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

Our best estimate is that WATER ISLAND CAPITAL LLC made a return of 0.07% in the last quarter. In trailing 12 months, it's portfolio return was 1.2%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
penumbra inc39,435,600
masimo corp34,541,800
webster finl corp28,866,400
tri pointe homes inc25,064,400
national storage affiliates21,746,700
great lakes dredge & dock co21,480,900
arcellx inc21,059,000
day one biopharmaceuticals i20,244,700

New stocks bought by WATER ISLAND CAPITAL LLC

Additions to existing portfolio by WATER ISLAND CAPITAL LLC

Reductions

Ticker% Reduced
sealed air corp new-89.97
clearwater analytics hldgs i-87.48
csg sys intl inc-86.58
amicus therapeutic-85.27
semrush hldgs inc-78.7
air lease corp-75.5
international money express-62.56
gladstone cap corp-50.00

WATER ISLAND CAPITAL LLC reduced stake in above stock

Sold off

Ticker$ Sold
confluent inc-4,855,000
spotify usa inc-5,675,000
blackline inc-3,034,150
itron inc-2,472,500
evolent health inc-1,345,830
tegna inc-22,901,600
avadel pharmaceuticals plc-23,427,400
eventbrite inc-4,395,060

WATER ISLAND CAPITAL LLC got rid off the above stocks

Sector Distribution

WATER ISLAND CAPITAL LLC has about 27.3% of it's holdings in Healthcare sector.

  • Healthcare
  • Industrials
  • Communication Services
  • Financial Services
  • Real Estate
  • Others
  • Utilities
  • Consumer Cyclical
  • Technology
Sector%
Healthcare27.3
Industrials16.4
Communication Services13.6
Financial Services11.6
Real Estate8.7
Others7.7
Utilities6
Consumer Cyclical4.4
Technology3

Market Cap. Distribution

WATER ISLAND CAPITAL LLC has about 35.5% of it's portfolio invested in the large-cap and mega-cap stocks.

  • MID-CAP
  • LARGE-CAP
  • SMALL-CAP
  • UNALLOCATED
Category%
MID-CAP43.4
LARGE-CAP35.5
SMALL-CAP13.2
UNALLOCATED7.8

Stocks belong to which Index?

About 64.6% of the stocks held by WATER ISLAND CAPITAL LLC either belong to S&P 500 or RUSSELL 2000 index.

  • RUSSELL 2000
  • Others
  • S&P 500
Index%
RUSSELL 200038.4
Others35.4
S&P 50026.2
Top 5 Winners (%)%
JHG
janus henderson group plc
6.7 %
HTBK
heritage comm corp
3.7 %
CSGS
csg sys intl inc
2.4 %
PRA
proassurance corp
2.2 %
NWE
northwestern energy group in
2.1 %
Top 5 Winners ($)$
JHG
janus henderson group plc
3.0 M
HOLX
hologic inc
0.6 M
CSGS
csg sys intl inc
0.3 M
SEE
sealed air corp new
0.2 M
AL
air lease corp
0.1 M
Top 5 Losers (%)%
UDMY
udemy inc
-20.8 %
AXTA
axalta coating sys ltd
-14.2 %
BHF
brighthouse finl inc
-7.1 %
FFWM
first fndtn inc
-4.2 %
WBD
warner bros discovery inc
-4.0 %
Top 5 Losers ($)$
WBD
warner bros discovery inc
-1.9 M
AXTA
axalta coating sys ltd
-1.0 M
PNM
txnm energy inc
-0.3 M
CWAN
clearwater analytics hldgs i
-0.2 M
NSC
norfolk southn corp
-0.2 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 77 stocks in it's portfolio. About 45.2% of the portfolio is in top 10 stocks. WBD proved to be the most loss making stock for the portfolio. JHG was the most profitable stock for WATER ISLAND CAPITAL LLC last quarter.

Last Reported on: 15 May, 2026
TickerNamesorted ascending% PortfolioShares Held$ ValueType% ChangeOptions