KYMR · Insider trading · 13F holders · Congress trades
Kymera Therapeutics, Inc. (KYMR)
Who is buying and selling KYMR: 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
- 32
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $4.2M
- Congress trades, 12 months
- 0
KYMR at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 KYMR insiders filed 2 sales worth $4.2M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
- 32 13F filers hold KYMR among their 50 largest positions, worth $4.4B combined, including Behzad Aghazadeh and Julian and Felix Baker. The biggest bets by portfolio weight are Merck & Co., Inc. (16.8%), Bvf Inc/il (11.4%) and Behzad Aghazadeh (7.7%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in KYMR.
- KYMR last closed at $122.60 on Oct 29, 2026.
KYMR insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 KYMR insiders filed 2 sales worth $4.2M 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 |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Mainolfi Nello | Chief Executive Officer, Director | Sale10b5-1 | 30,000 | $113.80 | $3.4M | SEC |
| Sep 4, 2026 | Adams Brian | Chief Legal Officer | Sale | 6,371 | $116.83 | $744K | SEC |
Who owns KYMR? Hedge funds and superinvestors
32 13F filers hold KYMR among their 50 largest positions, worth $4.4B combined, including Behzad Aghazadeh and Julian and Felix Baker. The biggest bets by portfolio weight are Merck & Co., Inc. (16.8%), Bvf Inc/il (11.4%) and Behzad Aghazadeh (7.7%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Superinvestors holding KYMR: Behzad Aghazadeh 7.7% · Julian and Felix Baker 5.0%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Julian and Felix BakerHedge fund | 5.0% | $992.7M | 8,657,242 | +0.0% shares | Q2 2026 |
| Behzad AghazadehHedge fund | 7.7% | $857.1M | 7,474,747 | +0.0% shares | Q2 2026 |
| T. Rowe Price Investment Management, Inc.Mutual fund manager | 0.5% | $717.5M | 6,257,261 | — | Q2 2026 |
| Bvf Inc/ilInvestment manager | 11.4% | $444.0M | 3,872,052 | -29.6% shares | Q2 2026 |
| Siren, L.L.C.Investment manager | 6.8% | $336.7M | 2,935,830 | -7.9% shares | Q2 2026 |
| Atlas Venture Life Science Advisors, LLCVenture capital | 37.1% | $326.5M | 2,847,541 | -37.8% shares | Q2 2026 |
| Driehaus Capital Management LLCHedge fund | 0.6% | $105.4M | 919,233 | -11.9% shares | Q2 2026 |
| Merck & Co., Inc.Corporation | 16.8% | $88.5M | 772,165 | +0.0% shares | Q2 2026 |
| Frontier Capital Management Co LLCInstitutional asset manager | 0.8% | $85.0M | 740,866 | -2.5% shares | Q2 2026 |
| Eventide Asset Management, LLCMutual fund manager | 0.8% | $57.8M | 504,210 | -19.6% shares | Q2 2026 |
| Rock Springs Capital Management LPHedge fund | 2.5% | $52.0M | 453,156 | -8.8% shares | Q2 2026 |
| Boxer Capital Management, LLCHedge fund | 3.7% | $49.2M | 429,100 | +30.4% shares | Q2 2026 |
| Braidwell LPHedge fund | 1.7% | $43.4M | 378,163 | +12.0% shares | Q2 2026 |
| Octagon Capital Advisors LPHedge fund | 3.3% | $35.5M | 310,000 | -27.1% shares | Q2 2026 |
| Nextech Invest Ltd.Hedge fund | 1.5% | $32.0M | 278,896 | +0.0% shares | Q2 2026 |
| Commodore Capital LPHedge fund | 1.7% | $28.7M | 250,000 | -66.7% shares | Q2 2026 |
| Eagle Health Investments LPHedge fund | 3.2% | $19.1M | 166,148 | +13.9% shares | Q2 2026 |
| Foresite Capital Management VI LLCHedge fund | 2.6% | $16.8M | 146,332 | +0.0% shares | Q2 2026 |
| Deer Management Co. LLCHedge fund | 1.8% | $14.4M | 125,895 | +0.0% shares | Q2 2026 |
| Boone Capital Management LLCHedge fund | 3.0% | $13.0M | 113,173 | New | Q2 2026 |
| Atika Capital Management LLCHedge fund | 1.2% | $11.9M | 104,000 | — | Q2 2026 |
| First Turn Management, LLCInstitutional asset manager | 1.3% | $11.8M | 102,533 | -59.7% shares | Q2 2026 |
| Burkehill Global Management, LPHedge fund | 0.3% | $8.6M | 75,000 | — | Q2 2026 |
| Yiheng Capital Management, L.P.Hedge fund | 3.1% | $7.3M | 63,440 | -13.6% shares | Q2 2026 |
| Patient Square Capital LPHedge fund | 0.8% | $5.4M | 47,500 | -52.5% shares | Q2 2026 |
| Odyssean, LLCAsset manager | 0.6% | $4.0M | 34,485 | — | Q2 2026 |
| Nan Fung Group Holdings LtdInvestment manager | 2.7% | $3.5M | 30,875 | +0.0% shares | Q2 2026 |
| DAFNA Capital Management LLCHedge fund | 0.6% | $3.1M | 27,000 | — | Q2 2026 |
| AJU IB Investment Co., Ltd.Investment manager | 5.4% | $1.6M | 19,648 | +0.0% shares | Q1 2026 |
| Scientech Research LLCHedge fund | 1.2% | $1.5M | 12,943 | — | Q2 2026 |
The 30 largest of 32 positions, by value. Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 30, Q1 2026: 1). Screen KYMR in the grand portfolio →
KYMR stock trades by members of Congress
No member of Congress has disclosed a trade in KYMR.
Analysis mentioning KYMR
Posts from the blog that cover Kymera Therapeutics, Inc., newest first.
KYMR questions and answers
Are insiders buying KYMR stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 KYMR insiders filed 2 sales worth $4.2M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own KYMR?
32 13F filers hold KYMR among their 50 largest positions, worth $4.4B combined, including Behzad Aghazadeh and Julian and Felix Baker. The biggest bets by portfolio weight are Merck & Co., Inc. (16.8%), Bvf Inc/il (11.4%) and Behzad Aghazadeh (7.7%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Has Congress traded KYMR?
No member of Congress has disclosed a trade in KYMR.
Who is the largest holder of KYMR?
Among 13F filers, Julian and Felix Baker reports the largest KYMR position, $992.7M (8,657,242 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Merck & Co., Inc.'s: 16.8% of its portfolio.
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