Kiniksa Pharmaceuticals InteKNSA
13F holders, Q4 2025 (December 31)223holders +21
36new positions
17sold out
8famous investors
$41.25avg. 13F price*
At the end of Q4 2025, 223 institutions reported holding Kiniksa Pharmaceuticals Inte (KNSA) in their 13F filings, up 21 from Q3 2025. 36 opened new positions and 17 sold out. The largest holders were Rubric Capital Management LP ($137.3M), Vanguard Group Inc. ($128.4M) and Baker Bros. Advisors LP ($116.6M). 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 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 36 | $73.9M |
| Exits | 17 | $14.3M |
All 13F filers, Q3 2025 → Q4 2025: 6,081,129 shares bought and 3,987,107 shares sold, net +2,094,022 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 223 holders
| Rubric Capital Management LP | 1.64% | Reduce -16.8% | 3,328,653 | $137.3M |
| Vanguard Group Inc. | 0.00% | Add +1.6% | 3,112,937 | $128.4M |
| Baker Bros. Advisors LP | 0.69% | Add +0.1% | 2,826,246 | $116.6M |
| Tang Capital Management LLC | 4.60% | Reduce -3.0% | 2,259,889 | $93.2M |
| Acadian Asset Management LLC | 0.12% | Add +5.8% | 1,713,043 | $70.6M |
| FMR LLC | 0.00% | Add +105.4% | 1,642,863 | $67.8M |
| Morgan Stanley | 0.00% | Reduce -0.2% | 1,360,044 | $56.1M |
| Fairmount Funds Management LLC | 4.14% | Reduce -25.6% | 1,319,688 | $54.4M |
| D. E. Shaw & Co. | 0.04% | Add +9.5% | 1,241,621 | $51.2M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Reduce 0.0% | 1,068,216 | $44.1M |
| BNP Paribas Financial Markets | 0.02% | Add +27.3% | 831,777 | $34.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +51.8% | 829,417 | $34.2M |
| Millennium Management | 0.03% | Reduce -18.6% | 825,285 | $34.0M |
| Point72 Asset Management | 0.05% | Add +40.6% | 797,137 | $32.9M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -15.5% | 787,520 | $32.5M |
| Qube Research & Technologies Ltd | 0.05% | Add +11.1% | 766,291 | $31.6M |
| Citadel Advisors | 0.02% | Add +135.9% | 742,118 | $30.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.08% | Add +1.9% | 739,326 | $30.5M |
| Dimensional Fund Advisors LP | 0.01% | Add +8.1% | 683,505 | $28.2M |
| Parkman Healthcare Partners LLC | 2.61% | Reduce -0.9% | 665,208 | $27.4M |
| Driehaus Capital Management LLC | 0.18% | Reduce -3.3% | 632,827 | $26.1M |
| Deutsche Bank AG | 0.01% | Add +18.2% | 630,291 | $26.0M |
| Rice Hall James & Associates, LLC | 1.35% | Add +3.2% | 596,431 | $24.6M |
| Soleus Capital Management, L.P. | 1.03% | Add +291.3% | 587,000 | $24.2M |
| SG Americas Securities, LLC | 0.03% | Add +288.6% | 541,396 | $22.3M |
| Two Sigma Investments, LP | 0.03% | Add +14.9% | 530,496 | $21.9M |
| Victory Capital Management Inc. | 0.01% | New | 512,163 | $21.1M |
| BlackRock, Inc. | 0.00% | Reduce -2.4% | 446,603 | $18.4M |
| Spruce Street Capital LP | 5.93% | — | 434,982 | $17.9M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -7.2% | 425,232 | $17.5M |
| Nomura Holdings Inc. | 0.05% | Add +3.9% | 412,639 | $17.0M |
| Aberdeen Group plc | 0.03% | Add +152.4% | 400,598 | $16.5M |
| AQR Capital Management | 0.01% | Add +6.2% | 353,062 | $14.6M |
| Logos Global Management LP | 0.96% | New | 350,000 | $14.4M |
| ArrowMark Colorado Holdings LLC | 0.30% | Reduce -2.0% | 333,702 | $13.8M |
| Alliancebernstein L.P. | 0.00% | New | 328,274 | $13.5M |
| Granahan Investment Management, LLC | 0.56% | Add +11.5% | 316,213 | $13.0M |
| Braidwell LP | 0.50% | Reduce -51.2% | 313,823 | $12.9M |
| Oberweis Asset Management Inc./ | 0.47% | Add +2.5% | 312,800 | $12.9M |
| Fisher Asset Management | 0.00% | Reduce -5.3% | 267,274 | $11.0M |
| Essex Investment Management Co. LLC | 1.58% | Add +1.5% | 250,975 | $10.4M |
| Jane Street Group, LLC | 0.01% | Reduce -47.5% | 242,430 | $10.0M |
| Bank of America Corp. | 0.00% | Reduce -53.7% | 229,364 | $9.5M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -23.3% | 228,933 | $9.4M |
| Trexquant Investment LP | 0.08% | Reduce -37.4% | 225,128 | $9.3M |
| Hillsdale Investment Management Inc. | 0.26% | Reduce -0.6% | 224,074 | $9.2M |
| Sei Investments Co. | 0.01% | Add +27.1% | 217,496 | $9.0M |
| Peregrine Capital Management LLC | 0.27% | Reduce -1.6% | 210,910 | $8.7M |
| Two Sigma Advisers, LP | 0.02% | Add +17.6% | 208,300 | $8.6M |
| Castleark Management LLC | 0.23% | Add +21.2% | 192,192 | $7.9M |
| Orbimed Advisors LLC | 0.16% | New | 187,199 | $7.7M |
| Rockefeller Capital Management L.P. | 0.01% | No change | 173,438 | $7.2M |
| Janus Henderson Group PLC | 0.00% | Add +1159.8% | 153,428 | $6.3M |
| Voleon Capital Management LP | 0.13% | Add +69.7% | 151,283 | $6.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +22.6% | 148,774 | $6.1M |
| Walleye Capital LLC | 0.04% | Reduce -65.3% | 143,293 | $5.9M |
| Lazard Asset Management LLC | 0.01% | Add +1.4% | 140,301 | $5.8M |
| Silvercrest Asset Management Group LLC | 0.04% | Add +0.1% | 126,409 | $5.2M |
| Linden Thomas Advisory Services, LLC | 0.48% | Reduce -1.4% | 114,462 | $4.7M |
| Nordea Investment Management AB | 0.00% | Reduce -15.6% | 110,682 | $4.5M |
| PDT Partners, LLC | 0.27% | No change | 101,622 | $4.2M |
| Informed Momentum Co LLC | 0.44% | Reduce -2.0% | 96,018 | $4.0M |
| Atika Capital Management LLC | 0.54% | New | 93,970 | $3.9M |
| Globeflex Capital L P | 0.59% | No change | 93,396 | $3.9M |
| Jump Financial, LLC | 0.05% | Reduce -19.0% | 91,429 | $3.8M |
| Squarepoint Ops LLC | 0.01% | Reduce -0.0% | 85,182 | $3.5M |
| Hennion & Walsh Asset Management, Inc. | 0.11% | Reduce -35.0% | 79,200 | $3.3M |
| UBS Group AG | 0.00% | Add +56.4% | 77,916 | $3.2M |
| State Street Corp. | 0.00% | Reduce -2.7% | 73,002 | $3.0M |
| Gsa Capital Partners LLP | 0.25% | Reduce -11.5% | 68,994 | $2.8M |
| Swiss National Bank | 0.00% | Add +4.4% | 68,600 | $2.8M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -23.7% | 63,995 | $2.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.4% | 63,530 | $2.6M |
| Legato Capital Management LLC | 0.22% | Add +9.5% | 63,137 | $2.6M |
| Northern Trust Corp. | 0.00% | Add +15.1% | 60,297 | $2.5M |
| Susquehanna Fundamental Investments, LLC | 0.08% | No change | 60,125 | $2.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -2.7% | 58,692 | $2.4M |
| Wells Fargo & Company | 0.00% | Add +609.4% | 54,393 | $2.2M |
| Raymond James Financial Inc. | 0.00% | Reduce -37.8% | 49,192 | $2.0M |
| SummitTX Capital, L.P. | 0.06% | New | 48,808 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -74.8% | 48,397 | $2.0M |
| Ieq Capital, LLC | 0.01% | Add +4.0% | 47,841 | $2.0M |
| Geode Capital Management, LLC | 0.00% | Add +0.5% | 45,783 | $1.9M |
| Cerity Partners LLC | 0.00% | Add +0.4% | 43,219 | $1.8M |
| Ami Asset Management Corp. | 0.10% | Add +0.0% | 43,116 | $1.8M |
| Susquehanna International Group, LLP | 0.00% | Add +518.2% | 42,897 | $1.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -23.6% | 42,402 | $1.7M |
| Baird Financial Group, Inc. | 0.00% | Reduce -23.6% | 42,237 | $1.7M |
| Manufacturers Life Insurance Company, The | 0.00% | New | 40,429 | $1.7M |
| Engineers Gate Manager LP | 0.02% | Reduce -54.4% | 39,873 | $1.6M |
| Man Group plc | 0.00% | Reduce -41.9% | 39,447 | $1.6M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Add +461.2% | 35,889 | $1.5M |
| OpenArc Corporate Advisory, LLC | 0.02% | — | 33,862 | $1.4M |
| Invesco Ltd. | 0.00% | Add +25.9% | 32,334 | $1.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -4.3% | 32,116 | $1.3M |
| Jain Global LLC | 0.01% | Add +52.0% | 31,806 | $1.3M |
| California State Teachers Retirement System | 0.00% | No change | 31,498 | $1.3M |
| Artia Global Partners LP | 0.19% | No change | 29,200 | $1.2M |
| Public Employees Retirement System of Ohio | 0.00% | New | 28,955 | $1.2M |
| ADAR1 Capital Management, LLC | 0.09% | Reduce -61.8% | 28,728 | $1.2M |
"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.