Kiniksa Pharmaceuticals InteKNSA
13F holders, Q3 2025 (September 30)202holders +15
47new positions
31sold out
8famous investors
$38.83avg. 13F price*
At the end of Q3 2025, 202 institutions reported holding Kiniksa Pharmaceuticals Inte (KNSA) in their 13F filings, up 15 from Q2 2025. 47 opened new positions and 31 sold out. The largest holders were Rubric Capital Management LP ($155.3M), Vanguard Group Inc. ($118.9M) and Baker Bros. Advisors LP ($109.7M). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $57.7M |
| Exits | 31 | $26.5M |
All 13F filers, Q2 2025 → Q3 2025: 5,958,181 shares bought and 4,849,078 shares sold, net +1,109,103 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 202 holders
| Rubric Capital Management LP | 2.09% | Add +2.3% | 4,000,000 | $155.3M |
| Vanguard Group Inc. | 0.00% | Reduce -2.2% | 3,063,135 | $118.9M |
| Baker Bros. Advisors LP | 0.79% | No change | 2,824,669 | $109.7M |
| Tang Capital Management LLC | 3.48% | No change | 2,328,609 | $90.4M |
| Fairmount Funds Management LLC | 6.19% | No change | 1,772,839 | $68.8M |
| Acadian Asset Management LLC | 0.11% | Add +27.6% | 1,618,521 | $62.8M |
| Morgan Stanley | 0.00% | Add +27.8% | 1,362,923 | $52.9M |
| D. E. Shaw & Co. | 0.04% | Add +43.3% | 1,134,186 | $44.0M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +45.3% | 1,068,263 | $41.5M |
| Millennium Management | 0.03% | Reduce -0.6% | 1,014,125 | $39.4M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -5.3% | 932,096 | $36.2M |
| FMR LLC | 0.00% | Reduce -0.9% | 799,755 | $31.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.09% | Add +16.3% | 725,355 | $28.2M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -22.3% | 689,888 | $26.8M |
| Parkman Healthcare Partners LLC | 2.86% | Add +37.4% | 671,592 | $26.1M |
| Driehaus Capital Management LLC | 0.18% | Add +1.0% | 654,585 | $25.4M |
| BNP Paribas Financial Markets | 0.02% | Add +53.4% | 653,411 | $25.4M |
| Braidwell LP | 1.01% | Reduce -41.7% | 643,180 | $25.0M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.5% | 632,123 | $24.5M |
| Rice Hall James & Associates, LLC | 1.22% | Reduce -9.5% | 577,822 | $22.4M |
| Point72 Asset Management | 0.05% | Reduce -33.2% | 566,927 | $22.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +42.4% | 546,510 | $21.2M |
| Deutsche Bank AG | 0.01% | Add +44.4% | 533,375 | $20.7M |
| Bank of America Corp. | 0.00% | Add +81.7% | 495,483 | $19.2M |
| Two Sigma Investments, LP | 0.03% | Add +182.0% | 461,770 | $17.9M |
| Jane Street Group, LLC | 0.02% | Reduce -17.4% | 461,388 | $17.9M |
| Massachusetts Financial Services Co. | 0.01% | Add +613.5% | 458,304 | $17.8M |
| BlackRock, Inc. | 0.00% | Reduce -34.9% | 457,647 | $17.8M |
| Walleye Capital LLC | 0.14% | Add +244.6% | 413,086 | $16.0M |
| Nomura Holdings Inc. | 0.08% | New | 397,139 | $15.4M |
| Cubist Systematic Strategies, LLC | 0.21% | Reduce -42.0% | 381,319 | $14.8M |
| Trexquant Investment LP | 0.14% | Reduce -21.3% | 359,838 | $14.0M |
| ArrowMark Colorado Holdings LLC | 0.25% | Reduce -26.9% | 340,627 | $13.2M |
| AQR Capital Management | 0.01% | Reduce -16.5% | 332,417 | $12.9M |
| Citadel Advisors | 0.01% | Add +17.6% | 314,556 | $12.2M |
| Oberweis Asset Management Inc./ | 0.45% | No change | 305,200 | $11.9M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -10.7% | 298,347 | $11.6M |
| Granahan Investment Management, LLC | 0.45% | Reduce -8.8% | 283,571 | $11.0M |
| Fisher Asset Management | 0.00% | Add +176.1% | 282,288 | $11.0M |
| Essex Investment Management Co. LLC | 1.47% | Add +44.3% | 247,301 | $9.6M |
| Hillsdale Investment Management Inc. | 0.26% | Add +12.4% | 225,374 | $8.8M |
| Peregrine Capital Management LLC | 0.25% | Reduce -25.7% | 214,364 | $8.3M |
| JPMorgan Chase & Co. | 0.00% | Add +42.3% | 192,456 | $7.5M |
| Two Sigma Advisers, LP | 0.01% | Add +107.4% | 177,100 | $6.9M |
| Rockefeller Capital Management L.P. | 0.01% | New | 173,438 | $6.7M |
| Sei Investments Co. | 0.01% | Add +68.7% | 171,169 | $6.6M |
| Aberdeen Group plc | 0.01% | New | 158,722 | $6.2M |
| Castleark Management LLC | 0.17% | New | 158,632 | $6.2M |
| Soleus Capital Management, L.P. | 0.31% | Reduce -41.1% | 150,000 | $5.8M |
| SG Americas Securities, LLC | 0.02% | Add +3.7% | 139,318 | $5.4M |
| Lazard Asset Management LLC | 0.01% | Add +811.1% | 138,312 | $5.4M |
| Nordea Investment Management AB | 0.00% | Add +0.7% | 131,074 | $5.0M |
| Silvercrest Asset Management Group LLC | 0.03% | New | 126,260 | $4.9M |
| Hennion & Walsh Asset Management, Inc. | 0.17% | Reduce -8.4% | 121,819 | $4.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +79.8% | 121,400 | $4.7M |
| Linden Thomas Advisory Services, LLC | 0.46% | Reduce -0.1% | 116,040 | $4.5M |
| Jump Financial, LLC | 0.06% | Reduce -50.0% | 112,935 | $4.4M |
| PDT Partners, LLC | 0.25% | Reduce -1.2% | 101,622 | $3.9M |
| Informed Momentum Co LLC | 0.43% | Reduce -7.4% | 97,939 | $3.7M |
| Globeflex Capital L P | 0.56% | Add +5.4% | 93,396 | $3.6M |
| Voleon Capital Management LP | 0.08% | New | 89,166 | $3.5M |
| Silverarc Capital Management, LLC | 0.50% | Add +17.1% | 88,910 | $3.5M |
| Engineers Gate Manager LP | 0.04% | Add +47.6% | 87,464 | $3.4M |
| Squarepoint Ops LLC | 0.01% | Reduce -79.5% | 85,198 | $3.3M |
| Schonfeld Strategic Advisors LLC | 0.02% | Add +22.0% | 83,881 | $3.3M |
| Raymond James Financial Inc. | 0.00% | Reduce -6.9% | 79,079 | $3.1M |
| Gsa Capital Partners LLP | 0.25% | Add +281.9% | 77,984 | $3.0M |
| ADAR1 Capital Management, LLC | 0.29% | Add +33.0% | 75,187 | $2.9M |
| State Street Corp. | 0.00% | Add +2.9% | 75,050 | $2.9M |
| Man Group plc | 0.01% | New | 67,905 | $2.6M |
| Swiss National Bank | 0.00% | Add +1.7% | 65,700 | $2.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -7.4% | 65,112 | $2.5M |
| Marshall Wace, LLP | 0.00% | Reduce -19.7% | 61,316 | $2.4M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +560.2% | 60,344 | $2.3M |
| Susquehanna Fundamental Investments, LLC | 0.09% | No change | 60,125 | $2.3M |
| ExodusPoint Capital Management, LP | 0.03% | Reduce -55.1% | 59,876 | $2.3M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | New | 59,000 | $2.3M |
| Legato Capital Management LLC | 0.24% | Add +13.8% | 57,641 | $2.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -47.0% | 55,519 | $2.2M |
| Baird Financial Group, Inc. | 0.00% | No change | 55,312 | $2.1M |
| Northern Trust Corp. | 0.00% | Reduce -4.0% | 52,407 | $2.0M |
| UBS Group AG | 0.00% | Add +62.7% | 49,817 | $1.9M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -19.5% | 49,182 | $1.9M |
| Ieq Capital, LLC | 0.01% | Reduce -2.0% | 45,987 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -10.6% | 45,562 | $1.8M |
| Dark Forest Capital Management LP | 0.06% | Reduce -10.1% | 43,346 | $1.7M |
| Ami Asset Management Corp. | 0.09% | Reduce -0.1% | 43,107 | $1.7M |
| Cerity Partners LLC | 0.00% | Add +2.7% | 43,036 | $1.7M |
| Campbell & CO Investment Adviser LLC | 0.11% | New | 38,117 | $1.5M |
| Algert Global LLC | 0.02% | Reduce -84.6% | 35,847 | $1.4M |
| Ameriprise Financial Inc. | 0.00% | Add +4.0% | 33,546 | $1.3M |
| Bank of New York Mellon Corp | 0.00% | Add +2.5% | 32,529 | $1.3M |
| California State Teachers Retirement System | 0.00% | No change | 31,498 | $1.2M |
| Legal & General Group Plc | 0.00% | No change | 30,858 | $1.2M |
| Danske Bank A/S | 0.00% | Reduce -29.3% | 30,389 | $1.2M |
| Artia Global Partners LP | 0.20% | No change | 29,200 | $1.1M |
| Invesco Ltd. | 0.00% | Add +26.6% | 25,678 | $997K |
| Lion Point Capital, LP | 5.16% | Reduce -49.0% | 23,400 | $909K |
| Toth Financial Advisory Corp. | 0.09% | Add +101.5% | 21,565 | $837K |
| Jain Global LLC | 0.01% | Reduce -62.3% | 20,927 | $813K |
"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.