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 |
| Legal & General Group Plc | 0.00% | Reduce -7.4% | 28,566 | $1.2M |
| Fox Run Management, L.L.C. | 0.18% | Add +105.0% | 27,804 | $1.1M |
| Amundi | 0.00% | New | 23,496 | $969K |
| Kornitzer Capital Management Inc. | 0.02% | New | 22,091 | $911K |
| Toth Financial Advisory Corp. | 0.10% | No change | 21,565 | $890K |
| Los Angeles Capital Management LLC | 0.00% | Add +29.4% | 23,659 | $882K |
| Cwm, LLC | 0.00% | Add +3.9% | 20,605 | $850K |
| Nuveen, LLC | 0.00% | No change | 20,233 | $835K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +4.9% | 16,424 | $701K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +9.3% | 16,933 | $698K |
| State of Wisconsin Investment Board | 0.00% | Reduce -6.0% | 16,799 | $693K |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | New | 16,525 | $682K |
| Virtus Investment Advisers, LLC | 0.18% | Add +2.5% | 16,432 | $678K |
| Mark Sheptoff Financial Planning, LLC | 0.32% | Add +1.6% | 16,350 | $674K |
| Orion Porfolio Solutions, LLC | 0.00% | Add +76.8% | 15,573 | $642K |
| Magnetar Financial LLC | 0.01% | New | 15,295 | $631K |
| Sound View Wealth Advisors Group, LLC | 0.04% | Add +16.2% | 14,792 | $610K |
| Bank of New York Mellon Corp | 0.00% | Reduce -55.5% | 14,471 | $597K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +21.2% | 14,186 | $585K |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -26.6% | 13,772 | $568K |
| Mariner, LLC | 0.00% | Add +2.0% | 13,519 | $558K |
| Catalyst Funds Management Pty Ltd | 0.13% | No change | 13,400 | $553K |
| State of Wyoming | 0.06% | Add +66.8% | 13,280 | $548K |
| Graham Capital Management, L.P. | 0.03% | Add +96.5% | 12,960 | $535K |
| BIT Capital GmbH | 0.02% | New | 12,800 | $528K |
| PSP Research LLC | 0.46% | — | 12,655 | $522K |
| B. Riley Wealth Advisors, Inc. | 0.02% | New | 11,993 | $495K |
| Brooklyn Investment Group | 0.02% | New | 11,968 | $491K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 11,871 | $490K |
| Creative Planning | 0.00% | Reduce -10.0% | 11,482 | $474K |
| TD Waterhouse Canada Inc. | 0.00% | Add +461.1% | 11,447 | $471K |
| Tudor Investment Corporation | 0.00% | Reduce -37.1% | 11,249 | $464K |
| Twinbeech Capital LP | 0.03% | New | 10,828 | $447K |
| Arizona State Retirement System | 0.00% | Reduce -3.1% | 9,709 | $400K |
| First Trust Advisors LP | 0.00% | Add +18.8% | 9,583 | $395K |
| HighTower Advisors, LLC | 0.00% | New | 8,724 | $360K |
| Pallas Capital Advisors LLC | 0.01% | Add +0.3% | 8,570 | $354K |
| Juncture Wealth Strategies, LLC | 0.11% | Add +18.7% | 8,146 | $336K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -86.7% | 7,958 | $328K |
| Mercer Global Advisors Inc. | 0.00% | Add +7.1% | 7,684 | $317K |
| KLP Kapitalforvaltning As | 0.00% | Add +13.6% | 7,500 | $309K |
| China Universal Asset Management Co., Ltd. | 0.02% | Reduce -3.4% | 7,359 | $304K |
| Rhumbline Advisers | 0.00% | No change | 7,286 | $301K |
| Sheets Smith Wealth Management | 0.03% | No change | 7,162 | $295K |
| Prelude Capital Management, LLC | 0.02% | New | 7,070 | $292K |
| XTX Topco Ltd | 0.01% | New | 7,062 | $291K |
| Round Rock Advisors LLC | 0.04% | Add +36.8% | 7,055 | $291K |
| James Investment Research, Inc. | 0.03% | No change | 7,027 | $290K |
| Savant Capital, LLC | 0.00% | Add +19.6% | 6,876 | $284K |
| Gotham Asset Management | 0.00% | Add +5.0% | 6,662 | $275K |
| Roman Butler Fullerton & Co. | 0.07% | Add +18.6% | 6,388 | $271K |
| Quantedge Capital Pte Ltd | 0.13% | Reduce -56.5% | 6,545 | $270K |
| Virtu Financial LLC | 0.01% | New | 6,466 | $267K |
| Two Sigma Securities, LLC | 0.03% | New | 6,136 | $253K |
| Campbell & CO Investment Adviser LLC | 0.01% | Reduce -84.6% | 5,869 | $242K |
| Marshall Wace, LLP | 0.00% | Reduce -90.5% | 5,800 | $239K |
| Voya Investment Management LLC | 0.00% | Reduce -26.4% | 5,790 | $239K |
| Holocene Advisors, LP | 0.00% | New | 5,715 | $236K |
| Vestcor Inc | 0.01% | No change | 5,623 | $232K |
| Sanctuary Advisors, LLC | 0.00% | New | 5,391 | $222K |
| Financiere des Professionnels - Fonds d'investissement inc. | 0.01% | New | 5,376 | $222K |
| MML Investors Services, LLC | 0.00% | Add +0.8% | 5,260 | $217K |
| Teacher Retirement System of Texas | 0.00% | Reduce -38.3% | 5,153 | $213K |
| Franklin Resources Inc. | 0.00% | New | 4,943 | $204K |
| Swiss Life Asset Management Ltd | 0.00% | New | 4,894 | $202K |
| Barclays PLC | 0.00% | Reduce -37.8% | 4,577 | $189K |
| Asset Management One Co., Ltd. | 0.00% | Reduce -47.9% | 4,282 | $176K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -93.5% | 3,194 | $131K |
| Oregon Public Employees Retirement Fund | 0.00% | No change | 2,324 | $96K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 2,266 | $93K |
| State of Alaska, Department of Revenue | 0.00% | No change | 2,268 | $93K |
| Aquatic Capital Management LLC | 0.00% | New | 1,939 | $80K |
| Essential Partners LLC | 0.02% | Add +0.2% | 1,926 | $79K |
| PNC Financial Services Group, Inc. | 0.00% | Add +1.1% | 1,922 | $79K |
| Citigroup Inc. | 0.00% | Reduce -82.7% | 1,693 | $70K |
| Osaic Holdings, Inc. | 0.00% | Add +2.0% | 1,569 | $65K |
| Farther Finance Advisors, LLC | 0.00% | Add +14.4% | 1,554 | $64K |
| US Bancorp \de | 0.00% | No change | 1,380 | $57K |
| GAMMA Investing LLC | 0.00% | Reduce -5.2% | 1,068 | $44K |
| Nano Cap New Millennium Growth Fund L P | 0.04% | — | 1,000 | $41K |
| CIBC Private Wealth Group LLC | 0.00% | New | 1,000 | $41K |
| Signaturefd, LLC | 0.00% | No change | 947 | $39K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -5.1% | 887 | $37K |
| Smartleaf Asset Management LLC | 0.00% | New | 889 | $36K |
| True Wealth Design, LLC | 0.01% | No change | 687 | $28K |
| USA Financial Formulas | 0.00% | Reduce -19.5% | 657 | $27K |
| Truvestments Capital LLC | 0.00% | No change | 627 | $26K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -7.0% | 546 | $23K |
| Parallel Advisors, LLC | 0.00% | Reduce -0.2% | 535 | $22K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 500 | $21K |
| Larson Financial Group LLC | 0.00% | Add +22.3% | 412 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +601.9% | 379 | $16K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -46.0% | 331 | $14K |
| Jones Financial Companies LLLP | 0.00% | New | 277 | $11K |
| Quarry LP | 0.00% | Reduce -76.0% | 270 | $11K |
| Fortitude Family Office, LLC | 0.00% | No change | 249 | $10K |
| Group One Trading LLC | 0.00% | New | 200 | $8K |
| Versant Capital Management, Inc | 0.00% | No change | 166 | $7K |
| Rothschild Investment LLC | 0.00% | Add +6.7% | 160 | $7K |
| Aster Capital Management (DIFC) Ltd | 0.00% | New | 155 | $6K |
| Daiwa Securities Group Inc. | 0.00% | No change | 139 | $6K |
| Allworth Financial LP | 0.00% | Add +21.7% | 129 | $5K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 105 | $4K |
| Global Retirement Partners, LLC | 0.00% | New | 103 | $4K |
| SBI Securities Co., Ltd. | 0.00% | No change | 100 | $4K |
| IFP Advisors, Inc | 0.00% | Add +9.3% | 82 | $3K |
| Basecamp Wealth Advisors LLC | 0.00% | — | 79 | $3K |
| Royal Bank of Canada | 0.00% | Reduce -81.1% | 87 | $3K |
| Kilter Group LLC | 0.00% | No change | 61 | $3K |
| Sunbelt Securities, Inc. | 0.00% | No change | 42 | $2K |
| Stone House Investment Management, LLC | 0.00% | Add +86.4% | 41 | $2K |
| Cornerstone Financial Management LLC | 0.00% | — | 32 | $1K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 31 | $1K |
| Optima Capital LLC | 0.00% | New | 18 | $743 |
| SJS Investment Consulting Inc. | 0.00% | Reduce -64.9% | 13 | $537 |
| Root Financial Partners, LLC | 0.00% | No change | 8 | $330 |
| MAI Capital Management | 0.00% | New | 5 | $207 |
| Assetmark, Inc. | 0.00% | No change | 5 | $206 |
| Harbour Investments, Inc. | 0.00% | No change | 3 | $124 |
| Arax Advisory Partners | 0.00% | Reduce -99.9% | 3 | $124 |
| Clearstead Advisors, LLC | 0.00% | Reduce -99.8% | 2 | $83 |
| Avion Wealth | 0.00% | Reduce -44.2% | 24 | $0 |
| Covestor Ltd | 0.00% | No change | 4 | $0 |
"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.