Kiniksa Pharmaceuticals International, plc
KNSA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001730430
In the last 90 days, Kiniksa Pharmaceuticals International, plc insiders filed 0 open-market purchases and 2 sales; 267 institutions reported holding it in 13F filings for Q2 2026, worth $2.99B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Kiniksa Pharmaceuticals International, plc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 267
- +44 vs. Q1 2026
- Shares held
- 46.9M
- +2.03M (+4.5%) vs. Q1 2026
- Total value
- $2.99B
- +$835.5M (+38.7%) vs. Q1 2026
- New holders
- 72
- 86 more added
- Sold out
- 28
- 81 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KNSA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 267 | $2.99B |
| Q1 2026 | 228 | $2.18B |
| Q4 2025 | 224 | $1.77B |
| Q3 2025 | 204 | $1.59B |
| Q2 2025 | 189 | $1.11B |
| Q1 2025 | 176 | $890.1M |
| Q4 2024 | 160 | $773.7M |
| Q3 2024 | 176 | $997.0M |
| Q2 2024 | 133 | $660.0M |
| Q1 2024 | 154 | $819.3M |
| Q4 2023 | 142 | $629.7M |
| Q3 2023 | 134 | $611.6M |
| Q2 2023 | 127 | $447.7M |
| Q1 2023 | 132 | $347.3M |
| Q4 2022 | 125 | $450.0M |
| Q3 2022 | 104 | $383.2M |
| Q2 2022 | 92 | $290.5M |
| Q1 2022 | 96 | $306.0M |
| Q4 2021 | 103 | $348.5M |
| Q3 2021 | 101 | $332.0M |
| Q2 2021 | 102 | $402.0M |
| Q1 2021 | 105 | $537.7M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Kiniksa Pharmaceuticals International, plc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 6,971,361 | $445.8M | 0.02% | +147,661+2.2% | Added |
| Rubric Capital Management LP | 3,999,800 | $255.8M | 2.35% | +249,800+6.7% | Added |
| Baker Bros. Advisors LP | 2,834,643 | $181.3M | 0.91% | +8,397+0.3% | Added |
| BlackRock, Inc. | 2,739,615 | $175.2M | 0.00% | +2,252,878+462.9% | Added |
| Tang Capital Management LLC | 2,259,889 | $144.5M | 6.56% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 1,911,335 | $122.2M | 0.01% | +145,067+8.2% | Added |
| Vanguard Capital Management LLC | 1,360,840 | $87.0M | 0.00% | +27,747+2.1% | Added |
| Morgan Stanley | 1,011,143 | $64.7M | 0.00% | +13,357+1.3% | Added |
| Arrowstreet Capital, Limited Partnership | 957,514 | $61.2M | 0.03% | +64,848+7.3% | Added |
| Spruce Street Capital LP | 918,070 | $58.7M | 11.52% | +157,007+20.6% | Added |
| Dimensional Fund Advisors LP | 874,786 | $55.9M | 0.01% | +62,864+7.7% | Added |
| Invesco Ltd. | 772,806 | $49.4M | 0.00% | +745,150+2,694.4% | Added |
| Driehaus Capital Management LLC | 718,199 | $45.9M | 0.27% | +106,801+17.5% | Added |
| State Street Corp | 704,194 | $45.0M | 0.00% | +627,561+818.9% | Added |
| Acadian Asset Management LLC | 679,083 | $43.4M | 0.05% | −657,230−49.2% | Reduced |
| Point72 Asset Management, L.P. | 659,493 | $42.2M | 0.06% | +18,535+2.9% | Added |
| Rice Hall James & Associates, LLC | 624,928 | $40.0M | 1.95% | +16,512+2.7% | Added |
| Pictet Asset Management Holding SA | 608,650 | $38.9M | 0.04% | −14,638−2.3% | Reduced |
| Geode Capital Management, LLC | 604,180 | $38.6M | 0.00% | +559,860+1,263.2% | Added |
| Jupiter Topco LLC | 586,177 | $37.5M | 0.02% | +586,177 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 572,598 | $36.6M | 0.07% | −77,031−11.9% | Reduced |
| D. E. Shaw & Co., Inc. | 569,756 | $36.4M | 0.02% | −389,501−40.6% | Reduced |
| Two Sigma Investments, LP | 561,480 | $35.9M | 0.03% | +140,566+33.4% | Added |
| Victory Capital Management Inc | 504,853 | $32.3M | 0.02% | −1,668−0.3% | Reduced |
| SG Americas Securities, LLC | 504,001 | $32.2M | 0.02% | −136,178−21.3% | Reduced |
| BNP Paribas Arbitrage, SA | 437,192 | $28.0M | 0.01% | −210,539−32.5% | Reduced |
| Massachusetts Financial Services Co | 431,324 | $27.6M | 0.01% | −6,678−1.5% | Reduced |
| OrbiMed Advisors LLC | 420,600 | $26.9M | 0.51% | +240,001+132.9% | Added |
| Alliancebernstein L.P. | 556,151 | $26.8M | 0.01% | −42,737−7.1% | Reduced |
| Bank of America Corp | 413,411 | $26.4M | 0.00% | −322,529−43.8% | Reduced |
| Oberweis Asset Management Inc | 413,034 | $26.4M | 0.55% | +94,400+29.6% | Added |
| Standard Life Aberdeen plc | 403,485 | $25.8M | 0.04% | +29,851+8.0% | Added |
| Fisher Asset Management, LLC | 398,266 | $25.5M | 0.01% | −30,706−7.2% | Reduced |
| Deutsche Bank AG | 387,606 | $24.8M | 0.01% | −136,085−26.0% | Reduced |
| AQR Capital Management LLC | 375,039 | $24.0M | 0.01% | −3,658−1.0% | Reduced |
| Penn Capital Management Co Inc | 368,114 | $23.6M | 1.49% | +66,121+21.9% | Added |
| Northern Trust Corp | 315,246 | $20.2M | 0.00% | +278,322+753.8% | Added |
| Balyasny Asset Management LLC | 309,682 | $19.8M | 0.04% | −190,110−38.0% | Reduced |
| Qube Research & Technologies Ltd | 304,080 | $19.4M | 0.02% | −382,773−55.7% | Reduced |
| New York State Common Retirement Fund | 272,579 | $17.4M | 0.02% | +62,962+30.0% | Added |
| Nomura Holdings Inc | 270,724 | $17.3M | 0.07% | −72,215−21.1% | Reduced |
| Soleus Capital Management, L.P. | 246,353 | $15.8M | 0.54% | −275,000−52.7% | Reduced |
| Essex Investment Management Co LLC | 241,382 | $15.4M | 2.02% | −7,896−3.2% | Reduced |
| Bank of New York Mellon Corp | 232,531 | $14.9M | 0.00% | +215,143+1,237.3% | Added |
| ArrowMark Colorado Holdings LLC | 215,546 | $13.8M | 0.57% | −101,410−32.0% | Reduced |
| StemPoint Capital LP | 209,234 | $13.4M | 2.32% | +209,234 | New |
| Goldman Sachs Group Inc | 191,364 | $12.2M | 0.00% | +16,463+9.4% | Added |
| SEI Investments Co | 188,565 | $12.1M | 0.01% | −95,440−33.6% | Reduced |
| Braidwell LP | 183,822 | $11.8M | 0.43% | −88,700−32.5% | Reduced |
| Castleark Management LLC | 174,032 | $11.1M | 0.30% | −7,480−4.1% | Reduced |
| Rockefeller Capital Management L.P. | 173,438 | $11.1M | 0.02% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 161,464 | $10.3M | 0.34% | −19,896−11.0% | Reduced |
| Granahan Investment Management Inc | 151,725 | $9.70M | 0.35% | −57,531−27.5% | Reduced |
| Squarepoint Ops LLC | 140,059 | $8.96M | 0.02% | −18,034−11.4% | Reduced |
| Nuveen, LLC | 127,255 | $8.14M | 0.00% | +100,307+372.2% | Added |
| Silvercrest Asset Management Group LLC | 109,359 | $6.99M | 0.05% | −4,930−4.3% | Reduced |
| Nordea Investment Management AB | 107,157 | $6.83M | 0.01% | +522+0.5% | Added |
| Charles Schwab Investment Management Inc | 101,575 | $6.50M | 0.00% | +51,276+101.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 99,852 | $6.39M | 0.01% | −4,802−4.6% | Reduced |
| Globeflex Capital L P | 93,396 | $5.97M | 0.76% | 00.0% | Unchanged |
| Millennium Management LLC | 93,364 | $5.97M | 0.00% | −471,056−83.5% | Reduced |
| Lisanti Capital Growth, LLC | 87,305 | $5.58M | 1.23% | +56,240+181.0% | Added |
| Legato Capital Management LLC | 87,297 | $5.58M | 0.46% | +16,492+23.3% | Added |
| Swiss National Bank | 73,700 | $4.71M | 0.00% | +2,200+3.1% | Added |
| Vanguard Fiduciary Trust Co | 72,351 | $4.63M | 0.00% | +40,255+125.4% | Added |
| Segall Bryant & Hamill, LLC | 71,901 | $4.60M | 0.05% | +71,901 | New |
| Renaissance Technologies LLC | 68,077 | $4.35M | 0.01% | +68,077 | New |
| Manufacturers Life Insurance Company, The | 67,715 | $4.33M | 0.00% | +4,369+6.9% | Added |
| Lazard Asset Management LLC | 67,291 | $4.30M | 0.01% | +45,859+214.0% | Added |
| Allspring Global Investments Holdings, LLC | 65,097 | $4.16M | 0.01% | +49,741+323.9% | Added |
| Rhumbline Advisers | 58,529 | $3.74M | 0.00% | +51,243+703.3% | Added |
| American Century Companies Inc | 56,408 | $3.61M | 0.00% | +49,106+672.5% | Added |
| EAM Investors, LLC | 55,765 | $3.57M | 0.32% | −729−1.3% | Reduced |
| Linden Thomas Advisory Services, LLC | 54,803 | $3.50M | 0.28% | −66,974−55.0% | Reduced |
| Trexquant Investment LP | 53,507 | $3.42M | 0.02% | −81,773−60.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 52,700 | $3.37M | 0.00% | −35,900−40.5% | Reduced |
| Truist Financial Corp | 51,671 | $3.30M | 0.00% | +51,671 | New |
| Los Angeles Capital Management LLC | 50,786 | $3.25M | 0.01% | +34,557+212.9% | Added |
| Wells Fargo & Company | 48,677 | $3.11M | 0.00% | +40,309+481.7% | Added |
| UBS Group AG | 45,174 | $2.89M | 0.00% | −24,526−35.2% | Reduced |
| California State Teachers Retirement System | 42,559 | $2.72M | 0.00% | +584+1.4% | Added |
| Citadel Advisors LLC | 41,665 | $2.66M | 0.00% | −433,085−91.2% | Reduced |
| Aquatic Capital Management LLC | 41,528 | $2.66M | 0.09% | +37,159+850.5% | Added |
| Mutual of America Capital Management LLC | 41,504 | $2.65M | 0.03% | +41,504 | New |
| PDT Partners, LLC | 40,567 | $2.59M | 0.14% | −39,696−49.5% | Reduced |
| Man Group plc | 40,524 | $2.59M | 0.00% | −86,662−68.1% | Reduced |
| Citigroup Inc | 40,513 | $2.59M | 0.00% | +6,799+20.2% | Added |
| Cerity Partners LLC | 40,488 | $2.59M | 0.00% | −3,224−7.4% | Reduced |
| Raymond James Financial Inc | 38,148 | $2.44M | 0.00% | +7,059+22.7% | Added |
| Legal & General Group Plc | 35,549 | $2.27M | 0.00% | +10,947+44.5% | Added |
| Price T Rowe Associates Inc | 34,830 | $2.23M | 0.00% | +34,830 | New |
| Timothy G. Youngquist 2020 Irrevocable Trust | 34,341 | $2.20M | 0.44% | +34,341 | New |
| ExodusPoint Capital Management, LP | 33,017 | $2.11M | 0.02% | −19,286−36.9% | Reduced |
| Voleon Capital Management LP | 32,806 | $2.10M | 0.04% | −87,579−72.7% | Reduced |
| JPMorgan Chase & Co | 31,553 | $2.09M | 0.00% | −75,464−70.5% | Reduced |
| Ameriprise Financial Inc | 32,571 | $2.08M | 0.00% | +816+2.6% | Added |
| LPL Financial LLC | 32,420 | $2.07M | 0.00% | +11,495+54.9% | Added |
| Financial Enhancement Group LLC | 31,391 | $2.01M | 0.24% | +31,391 | New |
| Baird Financial Group, Inc. | 30,708 | $1.96M | 0.00% | −9,541−23.7% | Reduced |
| Penserra Capital Management LLC | 30,226 | $1.93M | 0.01% | −22,876−43.1% | Reduced |