BIRK · Insider trading · 13F holders · Congress trades
Birkenstock Holding plc (BIRK)
Who is buying and selling BIRK: 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
- 17
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.1B
- Congress trades, 12 months
- 0
BIRK at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 BIRK insider filed 1 sale worth $1.1B on SEC Form 4, and no open-market purchases.
- 17 13F filers hold BIRK among their 50 largest positions, worth $821.2M combined. The biggest bets by portfolio weight are Lunate Capital Ltd (22.2%), SCP Investment, LP (8.5%) and Crestwood Capital Management, L.P. (3.4%). In their latest 13Fs, 4 managers opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in BIRK.
- BIRK last closed at $33.39 on Oct 29, 2026.
BIRK insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 BIRK insider filed 1 sale worth $1.1B on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | Chu James Michael | Director | Sale | 28,146,226 | $39.18 | $1.1B | SEC |
Who owns BIRK? Hedge funds and superinvestors
17 13F filers hold BIRK among their 50 largest positions, worth $821.2M combined. The biggest bets by portfolio weight are Lunate Capital Ltd (22.2%), SCP Investment, LP (8.5%) and Crestwood Capital Management, L.P. (3.4%). In their latest 13Fs, 4 managers opened a new position and 3 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Bamco Inc /ny/Investment manager | 1.0% | $634.2M | 14,739,609 | +57.4% shares | Q2 2026 |
| Lunate Capital LtdAsset manager | 22.2% | $43.5M | 1,010,000 | New | Q2 2026 |
| Anomaly Capital Management, LPHedge fund | 1.5% | $40.3M | 936,368 | -33.8% shares | Q2 2026 |
| Rice Hall James & Associates, LLCAsset manager | 1.3% | $27.1M | 629,868 | +6.7% shares | Q2 2026 |
| Rheos Capital Works Inc.Asset manager | 1.5% | $25.8M | 600,000 | +71.4% shares | Q2 2026 |
| Pier Capital, LLCAsset manager | 1.3% | $9.6M | 224,017 | +1.7% shares | Q2 2026 |
| SCP Investment, LPHedge fund | 8.5% | $9.3M | 215,000 | New | Q2 2026 |
| Platinum Investment Management LtdAsset manager | 2.2% | $9.0M | 210,000 | -23.6% shares | Q2 2026 |
| Crestwood Capital Management, L.P.Hedge fund | 3.4% | $5.2M | 121,658 | -33.6% shares | Q2 2026 |
| Roubaix Capital, LLCHedge fund | 1.8% | $5.1M | 119,258 | New | Q2 2026 |
| Summerhill Capital Management lnc.Hedge fund | 3.3% | $4.2M | 97,263 | +1.9% shares | Q2 2026 |
| Aurora Investment CounselWealth manager | 1.3% | $2.5M | 57,846 | -0.4% shares | Q2 2026 |
| Exane Asset ManagementAsset manager | 1.6% | $2.3M | 61,407 | New | Q3 2026 |
| Expect Equity LLCHedge fund | 1.2% | $1.9M | 43,750 | — | Q2 2026 |
| Renaissance Capital LLCMutual fund manager | 0.4% | $648K | 19,987 | -2.4% shares | Q3 2026 |
| Diker Management LLCWealth manager | 0.2% | $288K | 6,700 | +0.0% shares | Q2 2026 |
| Hook Mill Capital Partners, LPHedge fund | 0.0% | $264K | 6,125 | -99.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 15). Screen BIRK in the grand portfolio →
BIRK stock trades by members of Congress
No member of Congress has disclosed a trade in BIRK.
BIRK questions and answers
Are insiders buying BIRK stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 BIRK insider filed 1 sale worth $1.1B on SEC Form 4, and no open-market purchases.
Which hedge funds own BIRK?
17 13F filers hold BIRK among their 50 largest positions, worth $821.2M combined. The biggest bets by portfolio weight are Lunate Capital Ltd (22.2%), SCP Investment, LP (8.5%) and Crestwood Capital Management, L.P. (3.4%). In their latest 13Fs, 4 managers opened a new position and 3 added to one.
Has Congress traded BIRK?
No member of Congress has disclosed a trade in BIRK.
Who is the largest holder of BIRK?
Among 13F filers, Bamco Inc /ny/ reports the largest BIRK position, $634.2M (14,739,609 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Lunate Capital Ltd's: 22.2% of its portfolio.
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