Kiniksa Pharmaceuticals InteKNSA
13F holders, Q1 2026 (March 31)226holders +3
35new positions
33sold out
7famous investors
$48.05avg. 13F price*
At the end of Q1 2026, 226 institutions reported holding Kiniksa Pharmaceuticals Inte (KNSA) in their 13F filings, up 3 from Q4 2025. 35 opened new positions and 33 sold out. The largest holders were FMR LLC ($328.6M), Rubric Capital Management LP ($180.6M) and Baker Bros. Advisors LP ($136.1M). 7 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 Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Kiniksa Pharmaceuticals Inte
- CUSIP
- G52694109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 35 | $71.6M |
| Exits | 33 | $111.3M |
All 13F filers, Q4 2025 → Q1 2026: 10,222,349 shares bought and 7,612,507 shares sold, net +2,609,842 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 226 holders
| FMR LLC | 0.02% | Add +315.4% | 6,823,700 | $328.6M |
| Rubric Capital Management LP | 2.21% | Add +12.7% | 3,750,000 | $180.6M |
| Baker Bros. Advisors LP | 0.78% | No change | 2,826,246 | $136.1M |
| Tang Capital Management LLC | 5.53% | No change | 2,259,889 | $108.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,766,268 | $85.0M |
| Acadian Asset Management LLC | 0.09% | Reduce -22.0% | 1,336,313 | $64.3M |
| Vanguard Capital Management LLC | 0.00% | — | 1,333,093 | $64.2M |
| Morgan Stanley | 0.00% | Reduce -26.6% | 997,786 | $48.0M |
| D. E. Shaw & Co. | 0.04% | Reduce -22.7% | 959,257 | $46.2M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Reduce -16.4% | 892,666 | $43.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +18.8% | 811,922 | $39.1M |
| Spruce Street Capital LP | 8.81% | Add +75.0% | 761,063 | $36.6M |
| Bank of America Corp. | 0.00% | Add +220.9% | 735,940 | $35.4M |
| Qube Research & Technologies Ltd | 0.05% | Reduce -10.4% | 686,853 | $33.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.07% | Reduce -12.1% | 649,629 | $31.3M |
| BNP Paribas Financial Markets | 0.02% | Reduce -22.1% | 647,731 | $31.2M |
| Point72 Asset Management | 0.06% | Reduce -19.6% | 640,958 | $30.9M |
| SG Americas Securities, LLC | 0.03% | Add +18.3% | 640,179 | $30.8M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -20.9% | 623,288 | $30.0M |
| Driehaus Capital Management LLC | 0.22% | Reduce -3.4% | 611,398 | $29.4M |
| Rice Hall James & Associates, LLC | 1.63% | Add +2.0% | 608,416 | $29.3M |
| Millennium Management | 0.02% | Reduce -31.6% | 564,420 | $27.2M |
| Deutsche Bank AG | 0.01% | Reduce -16.9% | 523,691 | $25.2M |
| Soleus Capital Management, L.P. | 1.02% | Reduce -11.2% | 521,353 | $25.1M |
| Alliancebernstein L.P. | 0.01% | Add +82.4% | 598,888 | $24.7M |
| Victory Capital Management Inc. | 0.02% | Reduce -1.1% | 506,521 | $24.4M |
| Balyasny Asset Management L.P. | 0.05% | New | 499,792 | $24.1M |
| BlackRock, Inc. | 0.00% | Add +9.0% | 486,737 | $23.4M |
| Janus Henderson Group PLC | 0.01% | Add +213.5% | 481,023 | $23.2M |
| Citadel Advisors | 0.02% | Reduce -36.0% | 474,750 | $22.9M |
| Massachusetts Financial Services Co. | 0.01% | Add +3.0% | 438,002 | $21.1M |
| Fisher Asset Management | 0.01% | Add +60.5% | 428,972 | $20.7M |
| Two Sigma Investments, LP | 0.02% | Reduce -20.7% | 420,914 | $20.3M |
| Susquehanna International Group, LLP | 0.02% | Add +794.7% | 383,811 | $18.5M |
| AQR Capital Management | 0.01% | Add +7.3% | 378,697 | $18.2M |
| Aberdeen Group plc | 0.03% | Reduce -6.7% | 373,634 | $18.0M |
| Nomura Holdings Inc. | 0.14% | Reduce -16.9% | 342,939 | $16.5M |
| Oberweis Asset Management Inc./ | 0.45% | Add +1.9% | 318,634 | $15.3M |
| ArrowMark Colorado Holdings LLC | 0.41% | Reduce -5.0% | 316,956 | $15.3M |
| Marshall Wace, LLP | 0.02% | Add +5165.0% | 305,371 | $14.7M |
| Penn Capital Management Company, LLC | 1.13% | New | 301,993 | $14.6M |
| Sei Investments Co. | 0.01% | Add +30.6% | 284,005 | $13.7M |
| Braidwell LP | 0.50% | Reduce -13.2% | 272,522 | $13.1M |
| Parkman Healthcare Partners LLC | 1.29% | Reduce -61.0% | 259,184 | $12.5M |
| Essex Investment Management Co. LLC | 1.90% | Reduce -0.7% | 249,278 | $12.0M |
| New York State Common Retirement Fund | 0.01% | New | 209,617 | $10.1M |
| Granahan Investment Management, LLC | 0.49% | Reduce -33.8% | 209,256 | $10.1M |
| Castleark Management LLC | 0.29% | Reduce -5.6% | 181,512 | $8.7M |
| Peregrine Capital Management LLC | 0.32% | Reduce -14.0% | 181,360 | $8.7M |
| Orbimed Advisors LLC | 0.20% | Reduce -3.5% | 180,599 | $8.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -78.9% | 174,901 | $8.4M |
| Rockefeller Capital Management L.P. | 0.01% | No change | 173,438 | $8.4M |
| Squarepoint Ops LLC | 0.02% | Add +85.6% | 158,093 | $7.6M |
| Trexquant Investment LP | 0.05% | Reduce -39.9% | 135,280 | $6.5M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -41.2% | 134,516 | $6.5M |
| Man Group plc | 0.01% | Add +222.4% | 127,186 | $6.1M |
| Linden Thomas Advisory Services, LLC | 0.56% | Add +6.4% | 121,777 | $5.9M |
| Voleon Capital Management LP | 0.13% | Reduce -20.4% | 120,385 | $5.8M |
| Silvercrest Asset Management Group LLC | 0.04% | Reduce -9.6% | 114,289 | $5.5M |
| Nordea Investment Management AB | 0.00% | Reduce -3.7% | 106,635 | $5.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +78.3% | 104,654 | $5.0M |
| JPMorgan Chase & Co. | 0.00% | Add +121.1% | 107,017 | $4.9M |
| Globeflex Capital L P | 0.68% | No change | 93,396 | $4.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -40.5% | 88,600 | $4.3M |
| PDT Partners, LLC | 0.23% | Reduce -21.0% | 80,263 | $3.9M |
| State Street Corp. | 0.00% | Add +5.0% | 76,633 | $3.7M |
| Swiss National Bank | 0.00% | Add +4.2% | 71,500 | $3.4M |
| Legato Capital Management LLC | 0.31% | Add +12.2% | 70,805 | $3.4M |
| UBS Group AG | 0.00% | Reduce -10.5% | 69,700 | $3.4M |
| Hennion & Walsh Asset Management, Inc. | 0.11% | Reduce -15.0% | 67,341 | $3.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +56.7% | 63,346 | $3.1M |
| Informed Momentum Co LLC | 0.31% | Reduce -41.2% | 56,494 | $2.7M |
| Brevan Howard Capital Management LP | 0.03% | New | 53,882 | $2.6M |
| Penserra Capital Management LLC | 0.03% | New | 53,102 | $2.6M |
| ExodusPoint Capital Management, LP | 0.03% | Add +557.2% | 52,303 | $2.5M |
| Fieldview Capital Management, LLC | 0.72% | New | 51,072 | $2.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -20.8% | 50,299 | $2.4M |
| OpenArc Corporate Advisory, LLC | 0.03% | Add +42.8% | 48,353 | $2.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +5.0% | 44,525 | $2.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.2% | 44,320 | $2.1M |
| Cerity Partners LLC | 0.00% | Add +1.1% | 43,712 | $2.1M |
| Schonfeld Strategic Advisors LLC | 0.02% | Reduce -31.9% | 43,599 | $2.1M |
| Jain Global LLC | 0.03% | Add +35.3% | 43,027 | $2.1M |
| Ieq Capital, LLC | 0.01% | Reduce -10.2% | 42,950 | $2.1M |
| California State Teachers Retirement System | 0.00% | Add +33.3% | 41,975 | $2.0M |
| Baird Financial Group, Inc. | 0.00% | Reduce -4.7% | 40,249 | $1.9M |
| Jump Financial, LLC | 0.03% | Reduce -56.5% | 39,735 | $1.9M |
| Northern Trust Corp. | 0.00% | Reduce -38.8% | 36,924 | $1.8M |
| Inspire Investing, LLC | 0.10% | New | 35,271 | $1.7M |
| Barclays PLC | 0.00% | Add +646.2% | 34,152 | $1.6M |
| Citigroup Inc. | 0.00% | Add +1891.4% | 33,714 | $1.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 32,096 | $1.5M |
| Stifel Financial Corp. | 0.00% | New | 31,951 | $1.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.1% | 31,755 | $1.5M |
| Lisanti Capital Growth, LLC | 0.38% | New | 31,065 | $1.5M |
| Raymond James Financial Inc. | 0.00% | Reduce -36.8% | 31,089 | $1.4M |
| Artia Global Partners LP | 0.32% | No change | 29,200 | $1.4M |
| Public Employees Retirement System of Ohio | 0.00% | No change | 28,955 | $1.4M |
| Hudson Bay Capital Management LP | 0.01% | New | 27,670 | $1.3M |
| Invesco Ltd. | 0.00% | Reduce -14.5% | 27,656 | $1.3M |
"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.