Filed: 8/14/2026ACC: 0001222765-26-000011
📋 What this filing means
WATER ISLAND CAPITAL LLC filed this quarterly 13F‑HR report disclosing 85 equity positions with a total reported market value of $1.08B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
85
Positions
$1.08B
Total AUM (reported)
62.25M
Total Shares
Allocation by class
EQUITY$902.07M83.9%
EQUITY PUT$82.79M7.7%
EQUITY CALL$47.43M4.4%
CONVERTIBLE BOND$38.46M3.6%
CONVERTIBLE PREFERRED STOCK$4.33M0.4%
Portfolio Concentration
Top 3$153.70M14.3%
4–10$308.43M28.7%
11–25$394.86M36.7%
Rest$218.10M20.3%
Top 3 weight
14.3%
Top 10 weight
43.0%
Voting Authority Distribution
Total shares with voting rights: 62.25M
Sole
Full voting authority
62.25M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole85
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings85
Rows:
TAYLOR MORRISON HOME CORP
SOLEShares727.49K
TypeSH
Market value$52.19M
4.85%
Sole
727.49K
Shared
0.00
None
0.00
ELECTRONIC ARTS INC
SOLEShares252.93K
TypeSH
Market value$51.86M
4.82%
Sole
252.93K
Shared
0.00
None
0.00
CHART INDS INC
SOLEShares237.60K
TypeSH
Market value$49.64M
4.62%
Sole
237.60K
Shared
0.00
None
0.00
PENUMBRA INC
SOLEShares150.46K
TypeSH
Market value$47.51M
4.42%
Sole
150.46K
Shared
0.00
None
0.00
WARNER BROS DISCOVERY INC
SOLEShares1.74M
TypeSH
Market value$46.40M
4.32%
Sole
1.74M
Shared
0.00
None
0.00
JANUS HENDERSON GROUP PLC
SOLEShares890.92K
TypeSH
Market value$46.33M
4.31%
Sole
890.92K
Shared
0.00
None
0.00
NORFOLK SOUTHN CORP
SOLEShares146.28K
TypeSH
Market value$46.02M
4.28%
Sole
146.28K
Shared
0.00
None
0.00
TXNM ENERGY INC
SOLEShares737.73K
TypeSH
Market value$41.89M
3.90%
Sole
737.73K
Shared
0.00
None
0.00
WARNER BROS DISCOVERY INC
SOLEShares1.53M
TypeSH
Market value$40.66M
3.78%
Sole
1.53M
Shared
0.00
None
0.00
CAESARS ENTERTAINMENT INC NE
SOLEShares1.31M
TypeSH
Market value$39.63M
3.69%
Sole
1.31M
Shared
0.00
None
0.00
STATE STR SPDR S&P 500 ETF T
SOLEShares45K
TypeSH
Market value$33.60M
3.13%
Sole
45K
Shared
0.00
None
0.00
WEBSTER FINL CORP
SOLEShares437.21K
TypeSH
Market value$33.41M
3.11%
Sole
437.21K
Shared
0.00
None
0.00
NATIONAL STORAGE AFFILIATES
SOLEShares728.45K
TypeSH
Market value$32.39M
3.01%
Sole
728.45K
Shared
0.00
None
0.00
SILICON LABORATORIES INC
SOLEShares148.14K
TypeSH
Market value$32.38M
3.01%
Sole
148.14K
Shared
0.00
None
0.00
LIVERAMP HLDGS INC
SOLEShares805.33K
TypeSH
Market value$30.31M
2.82%
Sole
805.33K
Shared
0.00
None
0.00
CATALYST PHARMACEUTICALS INC
SOLEShares933.82K
TypeSH
Market value$29.35M
2.73%
Sole
933.82K
Shared
0.00
None
0.00
DOMINION ENERGY INC
SOLEShares381.23K
TypeSH
Market value$26.03M
2.42%
Sole
381.23K
Shared
0.00
None
0.00
ARCOSA INC
SOLEShares173.59K
TypeSH
Market value$25.22M
2.35%
Sole
173.59K
Shared
0.00
None
0.00
BIO-TECHNE CORP
SOLEShares335.73K
TypeSH
Market value$23.72M
2.21%
Sole
335.73K
Shared
0.00
None
0.00
WHITESTONE REIT
SOLEShares1.23M
TypeSH
Market value$23.28M
2.17%
Sole
1.23M
Shared
0.00
None
0.00
ROKU INC
SOLEShares164.89K
TypeSH
Market value$22.78M
2.12%
Sole
164.89K
Shared
0.00
None
0.00
TOPBUILD COR
SOLEShares51.25K
TypeSH
Market value$21.84M
2.03%
Sole
51.25K
Shared
0.00
None
0.00
DIGITALBRIDGE GROUP INC
SOLEShares1.38M
TypeSH
Market value$21.72M
2.02%
Sole
1.38M
Shared
0.00
None
0.00
AVANOS MED INC
SOLEShares799K
TypeSH
Market value$19.88M
1.85%
Sole
799K
Shared
0.00
None
0.00
SILA REALTY TRUST INC
SOLEShares623.87K
TypeSH
Market value$18.94M
1.76%
Sole
623.87K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
TAYLOR MORRISON HOME CORPSOLE | Equity | 727.49K | SH | $52.19M 4.85% | 727.49K | 0.00 | 0.00 |
ELECTRONIC ARTS INCSOLE | Equity | 252.93K | SH | $51.86M 4.82% | 252.93K | 0.00 | 0.00 |
CHART INDS INCSOLE | Equity | 237.60K | SH | $49.64M 4.62% | 237.60K | 0.00 | 0.00 |
PENUMBRA INCSOLE | Equity | 150.46K | SH | $47.51M 4.42% | 150.46K | 0.00 | 0.00 |
WARNER BROS DISCOVERY INCSOLE | Equity | 1.74M | SH | $46.40M 4.32% | 1.74M | 0.00 | 0.00 |
JANUS HENDERSON GROUP PLCSOLE | Equity | 890.92K | SH | $46.33M 4.31% | 890.92K | 0.00 | 0.00 |
NORFOLK SOUTHN CORPSOLE | Equity | 146.28K | SH | $46.02M 4.28% | 146.28K | 0.00 | 0.00 |
TXNM ENERGY INCSOLE | Equity | 737.73K | SH | $41.89M 3.90% | 737.73K | 0.00 | 0.00 |
WARNER BROS DISCOVERY INCSOLE | Equity Put | 1.53M | SH | $40.66M 3.78% | 1.53M | 0.00 | 0.00 |
CAESARS ENTERTAINMENT INC NESOLE | Equity | 1.31M | SH | $39.63M 3.69% | 1.31M | 0.00 | 0.00 |
STATE STR SPDR S&P 500 ETF TSOLE | Equity Call | 45K | SH | $33.60M 3.13% | 45K | 0.00 | 0.00 |
WEBSTER FINL CORPSOLE | Equity | 437.21K | SH | $33.41M 3.11% | 437.21K | 0.00 | 0.00 |
NATIONAL STORAGE AFFILIATESSOLE | Equity | 728.45K | SH | $32.39M 3.01% | 728.45K | 0.00 | 0.00 |
SILICON LABORATORIES INCSOLE | Equity | 148.14K | SH | $32.38M 3.01% | 148.14K | 0.00 | 0.00 |
LIVERAMP HLDGS INCSOLE | Equity | 805.33K | SH | $30.31M 2.82% | 805.33K | 0.00 | 0.00 |
CATALYST PHARMACEUTICALS INCSOLE | Equity | 933.82K | SH | $29.35M 2.73% | 933.82K | 0.00 | 0.00 |
DOMINION ENERGY INCSOLE | Equity | 381.23K | SH | $26.03M 2.42% | 381.23K | 0.00 | 0.00 |
ARCOSA INCSOLE | Equity | 173.59K | SH | $25.22M 2.35% | 173.59K | 0.00 | 0.00 |
BIO-TECHNE CORPSOLE | Equity | 335.73K | SH | $23.72M 2.21% | 335.73K | 0.00 | 0.00 |
WHITESTONE REITSOLE | Equity | 1.23M | SH | $23.28M 2.17% | 1.23M | 0.00 | 0.00 |
ROKU INCSOLE | Equity | 164.89K | SH | $22.78M 2.12% | 164.89K | 0.00 | 0.00 |
TOPBUILD CORSOLE | Equity | 51.25K | SH | $21.84M 2.03% | 51.25K | 0.00 | 0.00 |
DIGITALBRIDGE GROUP INCSOLE | Equity | 1.38M | SH | $21.72M 2.02% | 1.38M | 0.00 | 0.00 |
AVANOS MED INCSOLE | Equity | 799K | SH | $19.88M 1.85% | 799K | 0.00 | 0.00 |
SILA REALTY TRUST INCSOLE | Equity | 623.87K | SH | $18.94M 1.76% | 623.87K | 0.00 | 0.00 |
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