BAKER BROS. ADVISORS LP
Position in KNSA — Kiniksa Pharmaceuticals International, plc
CIK 1263508
NEW YORK, NY
Position in KNSA
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$181,275,419
+$45,191,675 QoQ
Shares Held
2,834,643
+0.3% QoQ
Ownership
1.82%
of shares outstanding
% of Portfolio
0.91%
of 13F equity value
Holder Rank
#3
of 266 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KNSA Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026BAKER BROS. ADVISORS LP holds $705,918,209 across 2 Drug Manufacturers - Specialty & Generic names. KNSA ranks #2 (25.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALKS |
Alkermes plc.
|
10,012,267 | $524,642,790 | |
| 2 | KNSA |
Kiniksa Pharmaceuticals International, plc
This page
|
2,834,643 | $181,275,419 |
All Filings in KNSA
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $181,275,419 | 2,834,643 | Shares | Sole | 2026-08-14 | |
| 2026-05-21 | $173,352,860 | 3,231,181 | Shares | Sole | 2026-05-26 | |
| 2026-03-31 | $136,083,744 | 2,826,246 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $116,582,647 | 2,826,246 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $109,681,897 | 2,824,669 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $78,158,591 | 2,824,669 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $62,594,953 | 2,818,323 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $55,746,428 | 2,818,323 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $70,429,891 | 2,818,323 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $52,618,090 | 2,818,323 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||