KLRA Kailera Therapeutics, Inc.: institutional ownership and insider trading
104 funds reported holding $2.58B of Kailera Therapeutics, Inc. in their latest 13F filings; in Q2 2026 funds net bought $2.55B, with 99 new positions and 0 funds selling out; over the last 12 months insiders bought $327M and sold $0 on the open market.
Famous investors holding KLRA
- Ken Griffin (Citadel Advisors): $71.4M, 0.0% of the portfolio
- George Soros (Soros Fund Management): $441K, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $386K, 0.0% of the portfolio
Largest institutional holders of KLRA
- BAIN CAPITAL INVESTORS LLC — $578M
- Bain Capital Life Sciences Investors, LLC — $498M
- RTW INVESTMENTS, LP — $237M
- CANADA PENSION PLAN INVESTMENT BOARD — $161M
- Atlas Venture Life Science Advisors, LLC — $114M
- FMR LLC — $87.5M
- BlackRock, Inc. (BLK) — $86.5M
- PRICE T ROWE ASSOCIATES INC /MD/ — $77.9M
- CITADEL ADVISORS LLC — $71.4M
- ADAGE CAPITAL PARTNERS GP, L.L.C. — $70.7M
Recent KLRA insider trades
- Apr 20, 2026: Rtw Investments, Lp bought 500,000 shares ($8.00M)
- Apr 20, 2026: Bain Capital Investors Llc bought 8,398,438 shares ($134M)
- Apr 20, 2026: Koppel Adam bought 1,562,500 shares ($25.0M)
- Apr 20, 2026: Bain Capital Life Sciences Investors, LLC bought 1,562,500 shares ($25.0M)
5%+ owners
- BCPE Perseus Investor, LP: 20.3% (Schedule 13D, filed Apr 23, 2026)
- BCLS Fund IV Investments, L.P.: 17.4% (Schedule 13D, filed Apr 23, 2026)
- Jiangsu Hengrui Pharmaceuticals Co., Ltd.: 8.9% (Schedule 13G, filed Aug 5, 2026)
- RTW Investments, LP: 8.3% (Schedule 13G, filed Aug 14, 2026)
- CPP Investment Board Private Holdings (4) Inc.: 5.6% (Schedule 13G, filed Aug 14, 2026)