CLYM · Insider trading · 13F holders · Congress trades
Climb Bio, Inc. (CLYM)
Who is buying and selling CLYM: 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
- $1.4M
- Congress trades, 12 months
- 0
CLYM at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 CLYM insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
- 17 13F filers hold CLYM among their 50 largest positions, worth $308.4M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Superstring Capital Management LP (4.3%), Ally Bridge Group (NY) LLC (4.2%) and Great Point Partners LLC (3.1%). In their latest 13Fs, 5 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in CLYM.
- CLYM last closed at $10.33 on Oct 29, 2026.
CLYM insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 CLYM insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Thomas Stephen Basil | Director | Sale10b5-1 | 100,000 | $13.67 | $1.4M | SEC |
Who owns CLYM? Hedge funds and superinvestors
17 13F filers hold CLYM among their 50 largest positions, worth $308.4M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Superstring Capital Management LP (4.3%), Ally Bridge Group (NY) LLC (4.2%) and Great Point Partners LLC (3.1%). In their latest 13Fs, 5 managers opened a new position and 1 added to one.
Superinvestors holding CLYM: Peter Kolchinsky 1.3%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Peter KolchinskyHedge fund | 1.3% | $147.4M | 11,300,939 | +0.0% shares | Q2 2026 |
| Braidwell LPHedge fund | 1.4% | $36.5M | 2,797,375 | — | Q2 2026 |
| Cormorant Asset Management, LPHedge fund | 1.4% | $27.5M | 2,106,000 | New | Q2 2026 |
| Redmile Group, LLCHedge fund | 1.1% | $16.0M | 1,226,330 | New | Q2 2026 |
| Great Point Partners LLCHedge fund | 3.1% | $13.0M | 1,000,000 | -25.0% shares | Q2 2026 |
| Affinity Asset Advisors, LLCHedge fund | 0.6% | $12.7M | 972,000 | — | Q2 2026 |
| ADAR1 Capital Management, LLCHedge fund | 0.5% | $10.7M | 822,649 | — | Q2 2026 |
| Stempoint Capital LPHedge fund | 1.7% | $9.7M | 742,745 | — | Q2 2026 |
| Parkman Healthcare Partners LLCHedge fund | 0.8% | $7.3M | 563,484 | — | Q2 2026 |
| Superstring Capital Management LPHedge fund | 4.3% | $6.8M | 521,082 | +161.6% shares | Q2 2026 |
| Sphera Funds Management Ltd.Hedge fund | 0.9% | $6.3M | 483,747 | — | Q2 2026 |
| Nan Fung Trinity (HK) LtdInvestment manager | 0.5% | $4.7M | 360,654 | — | Q2 2026 |
| Ikarian Capital, LLCHedge fund | 0.6% | $3.9M | 300,000 | — | Q2 2026 |
| Ally Bridge Group (NY) LLCHedge fund | 4.2% | $3.2M | 249,172 | New | Q2 2026 |
| ArchPoint InvestorsWealth manager | 0.4% | $1.7M | 128,900 | — | Q2 2026 |
| DeepCurrents Investment Group LLCHedge fund | 1.1% | $838K | 64,286 | New | Q2 2026 |
| Spark Investment Management LLCHedge fund | 0.3% | $177K | 13,600 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 17). Screen CLYM in the grand portfolio →
CLYM stock trades by members of Congress
No member of Congress has disclosed a trade in CLYM.
CLYM questions and answers
Are insiders buying CLYM stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 CLYM insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own CLYM?
17 13F filers hold CLYM among their 50 largest positions, worth $308.4M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Superstring Capital Management LP (4.3%), Ally Bridge Group (NY) LLC (4.2%) and Great Point Partners LLC (3.1%). In their latest 13Fs, 5 managers opened a new position and 1 added to one.
Has Congress traded CLYM?
No member of Congress has disclosed a trade in CLYM.
Who is the largest holder of CLYM?
Among 13F filers, Peter Kolchinsky reports the largest CLYM position, $147.4M (11,300,939 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Superstring Capital Management LP's: 4.3% of its portfolio.
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