Kiniksa Pharmaceuticals International
KNSA · NASDAQ
$83.17+$3.69 (+4.64%)TodayMarket closed ·
Prev close $79.48
Who owns KNSA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 27.4% of KNSA’s shares.
- Braidwell LP4.4%
- The Vanguard Group, Inc.4.1%
- Baker Bros. Advisors LP3.6%
- Rubric Capital Management LP3.4%
- Next 6 largest institutions11.9%
- All other shareholders72.6%
| Holder | Shares | % of shares |
|---|---|---|
| Braidwell LP | 3.45M | 4.43% |
| The Vanguard Group, Inc. | 3.20M | 4.10% |
| Baker Bros. Advisors LP | 2.82M | 3.61% |
| Rubric Capital Management LP | 2.62M | 3.36% |
| BlackRock Institutional Trust Company, N.A. | 2.55M | 3.27% |
| Fairmount Funds Management LLC | 2.19M | 2.81% |
| HHLR Advisors, Ltd. | 1.58M | 2.03% |
| Pictet Asset Management Ltd. | 1.13M | 1.45% |
| Desnick (Robert) | 1.05M | 1.35% |
| Nuveen LLC | 791.88K | 1.01% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 1.16M | 1.48% |
| iShares Russell 2000 ETF | 1.05M | 1.35% |
| Vanguard Small-Cap Index Fund | 953.23K | 1.22% |
| Pictet-Biotech | 661.40K | 0.85% |
| Vanguard Small-Cap Growth Index Fund | 538.25K | 0.69% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $33.50M (12 trades) of KNSA on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Megna Michael R | Sale | 4.60K | $369.38K |
| Moat Ross | Option exercise | 2.48K | — |
| Moat Ross | Option exercise | 1.61K | — |
| Moat Ross | Option exercise | 1.74K | — |
| Moat Ross | Option exercise | 2.46K | — |
| Moat Ross | Award | 36.95K | — |
| Moat Ross | Award | 9.25K | — |
| Moat Ross | Tax withholding | 4.01K | $317.67K |
| Moat Ross | Option exercise | 2.46K | — |
| Moat Ross | Option exercise | 1.74K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.78M
- Days to cover
- 6.41
- % of shares outstanding
- 4.84%
- Average daily volume
- 589.06K
- Change since last report
- −2.5%
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