Kiniksa Pharmaceuticals InteKNSA
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 266 institutions reported holding Kiniksa Pharmaceuticals Inte (KNSA) in their 13F filings, up 40 from Q1 2026. 68 opened new positions and 26 sold out. The largest holders were FMR LLC ($445.8M), Rubric Capital Management LP ($255.8M) and Baker Bros. Advisors LP ($181.3M). 8 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Kiniksa Pharmaceuticals Inte
- CUSIP
- G52694109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 68 | $60.5M |
| Exits | 26 | $55.6M |
All 13F filers, Q1 2026 → Q2 2026: 7,991,147 shares bought and 6,532,935 shares sold, net +1,458,212 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 266 holders
| FMR LLC | 0.02% | Add +2.2% | 6,971,361 | $445.8M |
| Rubric Capital Management LP | 2.35% | Add +6.7% | 3,999,800 | $255.8M |
| Baker Bros. Advisors LP | 0.91% | Add +0.3% | 2,834,643 | $181.3M |
| BlackRock, Inc. | 0.00% | Add +462.9% | 2,739,615 | $175.2M |
| Tang Capital Management LLC | 6.60% | No change | 2,259,889 | $144.5M |
| Vanguard Portfolio Management LLC | 0.01% | Add +8.2% | 1,911,335 | $122.2M |
| Vanguard Capital Management LLC | 0.00% | Add +2.1% | 1,360,840 | $87.0M |
| Morgan Stanley | 0.00% | Add +1.3% | 1,011,143 | $64.7M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +7.3% | 957,514 | $61.2M |
| Spruce Street Capital LP | 11.52% | Add +20.6% | 918,070 | $58.7M |
| Dimensional Fund Advisors LP | 0.01% | Add +7.7% | 874,786 | $55.9M |
| Invesco Ltd. | 0.00% | Add +2694.3% | 772,806 | $49.4M |
| Driehaus Capital Management LLC | 0.27% | Add +17.5% | 718,199 | $45.9M |
| State Street Corp. | 0.00% | Add +818.9% | 704,194 | $45.0M |
| Acadian Asset Management LLC | 0.05% | Reduce -49.2% | 679,083 | $43.4M |
| Point72 Asset Management | 0.07% | Add +2.9% | 659,493 | $42.2M |
| Rice Hall James & Associates, LLC | 1.95% | Add +2.7% | 624,928 | $40.0M |
| Pictet Asset Management Holding SA | 0.04% | Reduce -2.4% | 608,650 | $38.9M |
| Geode Capital Management, LLC | 0.00% | Add +1263.2% | 604,180 | $38.6M |
| Jupiter Topco LLC | 0.02% | — | 586,177 | $37.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.07% | Reduce -11.9% | 572,598 | $36.6M |
| D. E. Shaw & Co. | 0.02% | Reduce -40.6% | 569,756 | $36.4M |
| Two Sigma Investments, LP | 0.03% | Add +33.4% | 561,480 | $35.9M |
| Victory Capital Management Inc. | 0.02% | Reduce -0.3% | 504,853 | $32.3M |
| SG Americas Securities, LLC | 0.02% | Reduce -21.3% | 504,001 | $32.2M |
| BNP Paribas Financial Markets | 0.01% | Reduce -32.5% | 437,192 | $28.0M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -1.5% | 431,324 | $27.6M |
| Orbimed Advisors LLC | 0.51% | Add +132.9% | 420,600 | $26.9M |
| Alliancebernstein L.P. | 0.01% | Reduce -7.1% | 556,151 | $26.8M |
| Bank of America Corp. | 0.00% | Reduce -43.8% | 413,411 | $26.4M |
| Oberweis Asset Management Inc./ | 0.55% | Add +29.6% | 413,034 | $26.4M |
| Aberdeen Group plc | 0.04% | Add +8.0% | 403,485 | $25.8M |
| Fisher Asset Management | 0.01% | Reduce -7.2% | 398,266 | $25.5M |
| Deutsche Bank AG | 0.01% | Reduce -26.0% | 387,606 | $24.8M |
| AQR Capital Management | 0.01% | Reduce -1.0% | 375,039 | $24.0M |
| Penn Capital Management Company, LLC | 1.49% | Add +21.9% | 368,114 | $23.6M |
| Northern Trust Corp. | 0.00% | Add +753.8% | 315,246 | $20.2M |
| Balyasny Asset Management L.P. | 0.04% | Reduce -38.0% | 309,682 | $19.8M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -55.7% | 304,080 | $19.4M |
| New York State Common Retirement Fund | 0.02% | Add +30.0% | 272,579 | $17.4M |
| Nomura Holdings Inc. | 0.07% | Reduce -21.1% | 270,724 | $17.3M |
| Soleus Capital Management, L.P. | 0.54% | Reduce -52.8% | 246,353 | $15.8M |
| Essex Investment Management Co. LLC | 2.02% | Reduce -3.2% | 241,382 | $15.4M |
| Bank of New York Mellon Corp | 0.00% | Add +1237.3% | 232,531 | $14.9M |
| ArrowMark Colorado Holdings LLC | 0.58% | Reduce -32.0% | 215,546 | $13.8M |
| Stempoint Capital LP | 2.32% | New | 209,234 | $13.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +9.4% | 191,364 | $12.2M |
| Sei Investments Co. | 0.01% | Reduce -33.6% | 188,565 | $12.1M |
| Braidwell LP | 0.45% | Reduce -32.5% | 183,822 | $11.8M |
| Castleark Management LLC | 0.30% | Reduce -4.1% | 174,032 | $11.1M |
| Rockefeller Capital Management L.P. | 0.02% | No change | 173,438 | $11.1M |
| Peregrine Capital Management LLC | 0.34% | Reduce -11.0% | 161,464 | $10.3M |
| Granahan Investment Management, LLC | 0.35% | Reduce -27.5% | 151,725 | $9.7M |
| Squarepoint Ops LLC | 0.02% | Reduce -11.4% | 140,059 | $9.0M |
| Nuveen, LLC | 0.00% | Add +372.2% | 127,255 | $8.1M |
| Silvercrest Asset Management Group LLC | 0.05% | Reduce -4.3% | 109,359 | $7.0M |
| Nordea Investment Management AB | 0.01% | Add +0.5% | 107,157 | $6.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +101.9% | 101,575 | $6.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -4.6% | 99,852 | $6.4M |
| Globeflex Capital L P | 0.76% | No change | 93,396 | $6.0M |
| Millennium Management | 0.00% | Reduce -83.5% | 93,364 | $6.0M |
| Lisanti Capital Growth, LLC | 1.23% | Add +181.0% | 87,305 | $5.6M |
| Legato Capital Management LLC | 0.46% | Add +23.3% | 87,297 | $5.6M |
| Swiss National Bank | 0.00% | Add +3.1% | 73,700 | $4.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +125.4% | 72,351 | $4.6M |
| Segall Bryant & Hamill, LLC | 0.05% | New | 71,901 | $4.6M |
| Renaissance Technologies | 0.01% | New | 68,077 | $4.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +6.9% | 67,715 | $4.3M |
| Lazard Asset Management LLC | 0.01% | Add +214.0% | 67,291 | $4.3M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +323.9% | 65,097 | $4.2M |
| Rhumbline Advisers | 0.00% | Add +703.3% | 58,529 | $3.7M |
| American Century Companies Inc. | 0.00% | Add +672.5% | 56,408 | $3.6M |
| Informed Momentum Co LLC | 0.32% | Reduce -1.3% | 55,765 | $3.6M |
| Linden Thomas Advisory Services, LLC | 0.28% | Reduce -55.0% | 54,803 | $3.5M |
| Trexquant Investment LP | 0.02% | Reduce -60.5% | 53,507 | $3.4M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -40.5% | 52,700 | $3.4M |
| Truist Financial Corp. | 0.00% | New | 51,671 | $3.3M |
| Los Angeles Capital Management LLC | 0.01% | Add +212.9% | 50,786 | $3.2M |
| Wells Fargo & Company | 0.00% | Add +481.7% | 48,677 | $3.1M |
| UBS Group AG | 0.00% | Reduce -35.2% | 45,174 | $2.9M |
| California State Teachers Retirement System | 0.00% | Add +1.4% | 42,559 | $2.7M |
| Citadel Advisors | 0.00% | Reduce -91.2% | 41,665 | $2.7M |
| Aquatic Capital Management LLC | 0.09% | Add +850.5% | 41,528 | $2.7M |
| Mutual of America Capital Management LLC | 0.03% | New | 41,504 | $2.7M |
| PDT Partners, LLC | 0.14% | Reduce -49.5% | 40,567 | $2.6M |
| Man Group plc | 0.00% | Reduce -68.1% | 40,524 | $2.6M |
| Citigroup Inc. | 0.00% | Add +20.2% | 40,513 | $2.6M |
| Cerity Partners LLC | 0.00% | Reduce -7.4% | 40,488 | $2.6M |
| Raymond James Financial Inc. | 0.00% | Add +22.7% | 38,148 | $2.4M |
| Legal & General Group Plc | 0.00% | Add +44.5% | 35,549 | $2.3M |
| T. Rowe Price Associates Inc. | 0.00% | New | 34,830 | $2.2M |
| Timothy G. Youngquist 2020 Irrevocable Trust | 0.44% | New | 34,341 | $2.2M |
| ExodusPoint Capital Management, LP | 0.02% | Reduce -36.9% | 33,017 | $2.1M |
| Voleon Capital Management LP | 0.04% | Reduce -72.8% | 32,806 | $2.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -70.5% | 31,553 | $2.1M |
| Ameriprise Financial Inc. | 0.00% | Add +2.6% | 32,571 | $2.1M |
| LPL Financial LLC | 0.00% | Add +54.9% | 32,420 | $2.1M |
| Financial Enhancement Group LLC | 0.24% | New | 31,391 | $2.0M |
| Baird Financial Group, Inc. | 0.00% | Reduce -23.7% | 30,708 | $2.0M |
| Penserra Capital Management LLC | 0.01% | Reduce -43.1% | 30,226 | $1.9M |
"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.