STAA · Insider trading · 13F holders · Congress trades
Staar Surgical Co (STAA)
Who is buying and selling STAA: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 10
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
STAA at a glance
- No open-market insider purchases or sales of STAA were filed in the last 90 days.
- 10 13F filers hold STAA among their 50 largest positions, worth $723.6M combined. The biggest bets by portfolio weight are AI-Squared Management Ltd (8.3%), Anatole Investment Management Ltd (8.0%) and Madison Avenue Partners, LP (5.2%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in STAA.
STAA insider trading
No open-market insider purchases or sales of STAA were filed in the last 90 days.
Who owns STAA? Hedge funds and superinvestors
10 13F filers hold STAA among their 50 largest positions, worth $723.6M combined. The biggest bets by portfolio weight are AI-Squared Management Ltd (8.3%), Anatole Investment Management Ltd (8.0%) and Madison Avenue Partners, LP (5.2%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Broadwood Capital IncHedge fund | 24.2% | $462.6M | 16,123,842 | +0.0% shares | Q2 2026 |
| Madison Avenue Partners, LPHedge fund | 5.2% | $119.8M | 4,175,748 | +71.0% shares | Q2 2026 |
| Anatole Investment Management LtdHedge fund | 8.0% | $47.4M | 1,651,701 | +3.1% shares | Q2 2026 |
| Two Seas Capital LPHedge fund | 1.2% | $29.5M | 1,304,957 | +22.6% shares | Q3 2026 |
| American Capital Management IncAsset manager | 1.1% | $24.3M | 846,659 | -3.6% shares | Q2 2026 |
| AI-Squared Management LtdHedge fund | 8.3% | $15.6M | 542,420 | +102.3% shares | Q2 2026 |
| Defender Capital, LLC.Wealth manager | 3.0% | $9.7M | 429,762 | -0.3% shares | Q3 2026 |
| Defilade Capital Management, L.P.Hedge fund | 1.2% | $9.2M | 322,126 | New | Q2 2026 |
| Freshford Capital Management, LLCHedge fund | 1.2% | $3.6M | 125,000 | +0.0% shares | Q2 2026 |
| Meros Investment Management, LPInstitutional asset manager | 0.6% | $1.9M | 65,000 | — | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 8). Screen STAA in the grand portfolio →
STAA stock trades by members of Congress
No member of Congress has disclosed a trade in STAA.
STAA questions and answers
Are insiders buying STAA stock?
No open-market insider purchases or sales of STAA were filed in the last 90 days.
Which hedge funds own STAA?
10 13F filers hold STAA among their 50 largest positions, worth $723.6M combined. The biggest bets by portfolio weight are AI-Squared Management Ltd (8.3%), Anatole Investment Management Ltd (8.0%) and Madison Avenue Partners, LP (5.2%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Has Congress traded STAA?
No member of Congress has disclosed a trade in STAA.
Who is the largest holder of STAA?
Among 13F filers, Broadwood Capital Inc reports the largest STAA position, $462.6M (16,123,842 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is AI-Squared Management Ltd's: 8.3% of its portfolio.
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