KLRA: Kailera Therapeutics, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | New 13G stake | CPP Investment Board Private Holdings (4) Inc. | 5.60% | SEC | |
| 2026-08-14 | New 13G stake | RTW Investments, LP | 8.30% | SEC | |
| 2026-08-05 | New 13G stake | Jiangsu Hengrui Pharmaceuticals Co., Ltd. | 8.90% | SEC |
Institutional ownership (Q2 2026)
100 institutions reported holding $2.50B of Kailera Therapeutics, Inc. on Form 13F (0 the quarter before). 99 opened a new position and 0 sold out. Shares held by institutions: new.
| Largest holders | Shares | Value |
|---|---|---|
| Bain Capital Investors LLC | 26,255,581 | $578.41M |
| Bain Capital Life Sciences Investors, LLC | 22,583,268 | $497.51M |
| RTW INVESTMENTS, LP | 10,776,820 | $237.41M |
| CANADA PENSION PLAN INVESTMENT BOARD | 7,304,688 | $160.92M |
| Atlas Venture Life Science Advisors, LLC | 5,171,282 | $113.92M |
| FMR LLC | 3,970,865 | $87.48M |
| BlackRock, Inc. | 3,928,604 | $86.55M |
| CITADEL ADVISORS LLC | 3,240,787 | $71.39M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3,208,286 | $70.68M |
| WELLINGTON MANAGEMENT GROUP LLP | 2,919,110 | $64.31M |
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