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Of the 14 tracked institutions holding KNSA, 7 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +5.8pt. It's a gauge of who owns the name, not just how many.
Among the 14 tracked institutional investors we monitor, KNSA (KINIKSA PHARMACEUTICALS INTL) is held with a combined value of $1.09B across 18,246,583 shares. The largest holder is FMR LLC with a position worth $445.82M (0.02% of their portfolio). 2 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$1.09B
Total Shares Held
18,246,583
Institutional Holders
14
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $445.82M | 0.02% | +2.2% |
| 2 | BAKER BROS. ADVISORS LP | $181.28M | 0.91% | +0.3% |
| 3 | BlackRock, Inc. | $175.20M | 0.00% | +462.9% |
| 4 | VANGUARD GROUP INC | $128.41M | 0.00% | +1.6% |
| 5 | STATE STREET CORP | $45.03M | 0.00% | +818.9% |
| 6 | Point72 Asset Management, L.P. | $42.17M | 0.06% | +2.9% |
| 7 | Fisher Asset Management, LLC | $25.47M | 0.01% | -7.2% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $23.98M | 0.01% | -1.0% |
| 9 | TWO SIGMA ADVISERS, LP | $8.59M | 0.02% | +17.6% |
| 10 | MILLENNIUM MANAGEMENT LLC | $5.97M | 0.00% | -83.5% |
SEC Schedule 13D (activist) and 13G (passive) filings for KNSA. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of KNSA with a position worth $445.82M, representing 0.02% of their portfolio. In total, 14 institutional investors hold KNSA with a combined value of $1.09B.
In the most recent quarter, 2 funds opened a new position in KNSA. Additionally, 7 increased their holdings and 5 reduced their positions.
Institutional investors hold $1.09B worth of KNSA stock across 14 positions. The largest institutional holder is FMR LLC with $445.82M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For KNSA, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their KNSA positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$78.59
2026-10-16
YTD
+87.1%
95% of 52-week range
