Staar Surgical
STAA • NASDAQ
Staar Surgical is a medical - instruments & supplies company in the healthcare sector on NASDAQ, led by Caren Mason, with a market cap of $1.2B. As of Q3 2025, 102% of shares are held by 193 institutional investors, with BROADWOOD CAPITAL INC as the largest holder at 27.39%.
President and Chief Executive OfficerCaren Mason
Market Cap$1.2B
Medical - Instruments & Supplies
Healthcare
Employees1.1K
Websitestaar.com
Country
United States of America
Overview
Overview of institutional ownership in STAA as of Q3 2025 with a market cap of $1.3B
All Institutions
- Institutions
- 193
- Value Held
- $1.4B
- Shares Held
- 50.5M
- Avg Position
- $7.0M
- Median Position
- $530.8K
Hedge Funds
- Hedge Funds
- 39
- Value Held
- $616.5M
- Shares Held
- 22.9M
- Avg Position
- $15.8M
- Median Position
- $2.6M
Ownership Breakdown
Based on market cap of $1.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in STAA as of Q3 2025
| Institution | Position Value |
|---|---|
B BROADWOOD CAPITAL INC Hedge Fund•Multi-Strategy | $363.3M 21.97% of portfolio |
B BlackRock, Inc. Institution | $195.0M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $114.7M 0.00% of portfolio |
Y Yunqi Capital Ltd Institution | $67.2M 39.30% of portfolio |
 STATE STREET CORP Institution | $51.3M 0.00% of portfolio |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $48.7M 0.10% of portfolio |
 Magnetar Financial LLC Hedge Fund•Multi-Strategy | $32.4M 0.21% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $31.5M 0.00% of portfolio |
 GOLDMAN SACHS GROUP INC Institution | $26.2M 0.00% of portfolio |
 ALPINE ASSOCIATES MANAGEMENT INC. Hedge Fund•Merger Arb | $24.5M 1.50% of portfolio |
Net Capital Flow
Institutional buying and selling activity for STAA in Q3 2025
- Traded
- +$23.3M
- Buyers
- 113
- Sellers
- 96
- Total Bought
- +$331.6M
- Total Sold
- −$308.3M
- Avg Position
- $5.9M
Biggest Buyers
| Institution | Net Bought |
|---|---|
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$48.7M +1.8M shares |
Magnetar Financial LLC Hedge Fund•Multi-Strategy | +$32.4M +1.2M shares |
ALPINE ASSOCIATES MANAGEMENT INC. Hedge Fund•Merger Arb | +$24.5M +913.1K shares |
S Sand Grove Capital Management LLP Hedge Fund•Event Driven | +$22.3M +829.1K shares |
GOLDMAN SACHS GROUP INC Institution | +$21.3M +794.0K shares |
 WATER ISLAND CAPITAL LLC Hedge Fund•Event Driven | +$17.7M +658.3K shares |
 Slotnik Capital, LLC Hedge Fund•Event Driven | +$17.1M +635.0K shares |
 CNH PARTNERS LLC Hedge Fund•Multi-Strategy | +$16.9M +630.5K shares |
O Omni Event Management Ltd Institution | +$16.8M +623.9K shares |
R ROYAL BANK OF CANADA Institution | +$9.0M +336.3K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Soleus Capital Management, L.P. Hedge Fund•Long/Short | −$66.8M −2.5M shares |
 ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short | −$47.2M −2.8M shares |
R Resona Asset Management Co.,Ltd. Institution | −$40.7M −2.4M shares |
 BANK OF AMERICA CORP /DE/ Institution | −$28.1M −1.0M shares |
 MORGAN STANLEY RIA/Wealth | −$21.9M −815.7K shares |
P Palo Alto Investors, LLC Hedge Fund•Long/Short | −$13.3M −791.9K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$11.1M −411.7K shares |
 JUPITER ASSET MANAGEMENT LTD Long Only Manager | −$9.0M −539.1K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | −$7.9M −293.5K shares |
 FEDERATED INVESTORS INC /PA/ Long Only Manager | −$6.1M −363.2K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited STAA in Q3 2025
- New Positions
- 33
- New Value
- $162.9M
- Exited Positions
- 38
- Exited Value
- $133.4M
New Positions
| Institution | Position Value |
|---|---|
ALPINE ASSOCIATES MANAGEMENT INC. Hedge Fund•Merger Arb | $24.5M 913.1K shares |
S Sand Grove Capital Management LLP Hedge Fund•Event Driven | $22.3M 829.1K shares |
WATER ISLAND CAPITAL LLC Hedge Fund•Event Driven | $17.7M 658.3K shares |
Slotnik Capital, LLC Hedge Fund•Event Driven | $17.1M 635.0K shares |
CNH PARTNERS LLC Hedge Fund•Multi-Strategy | $16.9M 630.5K shares |
O Omni Event Management Ltd Institution | $16.8M 623.9K shares |
 GLAZER CAPITAL, LLC Hedge Fund•Multi-Strategy | $7.7M 287.0K shares |
A ABC ARBITRAGE SA Institution | $6.6M 246.8K shares |
$6.3M 233.5K shares | |
 GABELLI FUNDS LLC Long Only Manager | $5.8M 216.2K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short | $47.2M 2.8M shares |
R Resona Asset Management Co.,Ltd. Institution | $40.7M 2.4M shares |
P Palo Alto Investors, LLC Hedge Fund•Long/Short | $13.3M 791.9K shares |
JUPITER ASSET MANAGEMENT LTD Long Only Manager | $9.0M 539.1K shares |
FEDERATED INVESTORS INC /PA/ Long Only Manager | $6.1M 363.2K shares |
E Ensign Peak Advisors, Inc Institution | $4.2M 248.4K shares |
J Jump Financial, LLC Institution | $4.0M 240.6K shares |
 TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | $1.7M 99.1K shares |
 STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth | $1.2M 73.4K shares |
E EXCHANGE TRADED CONCEPTS, LLC Institution | $729.3K 43.5K shares |
Options Activity
Institutions with the largest Call and Put options positions in STAA as of Q3 2025
- Call Positions
- 7
- Call Value
- $9.5M
- Put Positions
- 9
- Put Value
- $17.7M
Call Positions
| Institution | Position Value |
|---|---|
 Caption Management, LLC Hedge Fund•Long/Short | $2.4M 880.0 contracts |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $2.2M 832.0 contracts |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $1.3M 485.0 contracts |
J JANE STREET GROUP, LLC Institution | $1.2M 460.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $1.0M 376.0 contracts |
 Walleye Trading LLC RIA/Wealth | $948.5K 353.0 contracts |
S SIG BROKERAGE, LP Institution | $362.7K 135.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
$15.2M 5.6K contracts | |
H HARVEST MANAGEMENT LLC Hedge Fund•Event Driven | $671.8K 250.0 contracts |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $499.8K 186.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $400.4K 149.0 contracts |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | $368.1K 137.0 contracts |
Walleye Trading LLC RIA/Wealth | $325.1K 121.0 contracts |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $290.2K 108.0 contracts |
GLAZER CAPITAL, LLC Hedge Fund•Multi-Strategy | $1.0K 0.2 contracts |
W WOLVERINE TRADING, LLC Institution | - - contracts |
Most Committed Institutions
Institutions with STAA as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Y Yunqi Capital Ltd Institution | 39.30% $67.2M |
B BROADWOOD CAPITAL INC Hedge Fund•Multi-Strategy | 21.97% $363.3M |
S Sand Grove Capital Management LLP Hedge Fund•Event Driven | 10.88% $22.3M |
Slotnik Capital, LLC Hedge Fund•Event Driven | 6.15% $17.1M |
WATER ISLAND CAPITAL LLC Hedge Fund•Event Driven | 2.76% $17.7M |
 Cannon Global Investment Management, LLC Hedge Fund•Quant | 2.17% $857.5K |
 Burren Capital Advisors Ltd Hedge Fund•Event Driven | 2.00% $660.4K |
O Omni Event Management Ltd Institution | 1.95% $16.8M |
B BCK CAPITAL MANAGEMENT LP Hedge Fund•Event Driven | 1.58% $1.4M |
ALPINE ASSOCIATES MANAGEMENT INC. Hedge Fund•Merger Arb | 1.50% $24.5M |
Hedge Fund Spotlight
Discover hedge funds investing in STAA
DEERFIELD MANAGEMENT CO /NY
Hedge Fund • Long/Short
Portfolio ManagerJames Edward Flynn
- Portfolio Value
- $6.0B
- Positions
- 142
- Last Reported
- Q3 2025
Sector Allocation
Position in Staar Surgical
- Market Value
- $2.6M
- Shares Held
- 97.0K
- Portfolio Weight
- 0.04%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Biotechnology Healthcare | $1.6B | 25.79% | |
Medical - Healthcare Plans Healthcare | $322.8M | 5.35% | |
Biotechnology Healthcare | $286.9M | 4.75% |
