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
- +$835.2M (+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 | $1.10B |
| Q1 2025 | 176 | $889.4M |
| Q4 2024 | 160 | $773.1M |
| Q3 2024 | 176 | $991.2M |
| Q2 2024 | 133 | $659.4M |
| Q1 2024 | 154 | $768.1M |
| Q4 2023 | 142 | $600.4M |
| Q3 2023 | 134 | $605.8M |
| Q2 2023 | 127 | $447.7M |
| Q1 2023 | 132 | $339.6M |
| Q4 2022 | 125 | $450.0M |
| Q3 2022 | 104 | $383.2M |
| Q2 2022 | 92 | $290.5M |
| Q1 2022 | 96 | $306.0M |
| Q4 2021 | 103 | $346.4M |
| Q3 2021 | 101 | $332.0M |
| Q2 2021 | 102 | $402.0M |
| Q1 2021 | 105 | $537.6M |
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 |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 68,077 | $4.35M | 0.01% | +68,077 | New |
| Segall Bryant & Hamill, LLC | 71,901 | $4.60M | 0.05% | +71,901 | New |
| Vanguard Fiduciary Trust Co | 72,351 | $4.63M | 0.00% | +40,255+125.4% | Added |
| Swiss National Bank | 73,700 | $4.71M | 0.00% | +2,200+3.1% | Added |
| Legato Capital Management LLC | 87,297 | $5.58M | 0.46% | +16,492+23.3% | Added |
| Lisanti Capital Growth, LLC | 87,305 | $5.58M | 1.23% | +56,240+181.0% | Added |
| Millennium Management LLC | 93,364 | $5.97M | 0.00% | −471,056−83.5% | Reduced |
| Globeflex Capital L P | 93,396 | $5.97M | 0.76% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 99,852 | $6.39M | 0.01% | −4,802−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 101,575 | $6.50M | 0.00% | +51,276+101.9% | Added |
| Nordea Investment Management AB | 107,157 | $6.83M | 0.01% | +522+0.5% | Added |
| Silvercrest Asset Management Group LLC | 109,359 | $6.99M | 0.05% | −4,930−4.3% | Reduced |
| Nuveen, LLC | 127,255 | $8.14M | 0.00% | +100,307+372.2% | Added |
| Squarepoint Ops LLC | 140,059 | $8.96M | 0.02% | −18,034−11.4% | Reduced |
| Granahan Investment Management Inc | 151,725 | $9.70M | 0.35% | −57,531−27.5% | Reduced |
| Peregrine Capital Management LLC | 161,464 | $10.3M | 0.34% | −19,896−11.0% | Reduced |
| Rockefeller Capital Management L.P. | 173,438 | $11.1M | 0.02% | 00.0% | Unchanged |
| Castleark Management LLC | 174,032 | $11.1M | 0.30% | −7,480−4.1% | Reduced |
| Braidwell LP | 183,822 | $11.8M | 0.43% | −88,700−32.5% | Reduced |
| SEI Investments Co | 188,565 | $12.1M | 0.01% | −95,440−33.6% | Reduced |
| Goldman Sachs Group Inc | 191,364 | $12.2M | 0.00% | +16,463+9.4% | Added |
| StemPoint Capital LP | 209,234 | $13.4M | 2.32% | +209,234 | New |
| ArrowMark Colorado Holdings LLC | 215,546 | $13.8M | 0.57% | −101,410−32.0% | Reduced |
| Bank of New York Mellon Corp | 232,531 | $14.9M | 0.00% | +215,143+1,237.3% | Added |
| Essex Investment Management Co LLC | 241,382 | $15.4M | 2.02% | −7,896−3.2% | Reduced |
| Soleus Capital Management, L.P. | 246,353 | $15.8M | 0.54% | −275,000−52.7% | Reduced |
| Nomura Holdings Inc | 270,724 | $17.3M | 0.07% | −72,215−21.1% | Reduced |
| New York State Common Retirement Fund | 272,579 | $17.4M | 0.02% | +62,962+30.0% | Added |
| Qube Research & Technologies Ltd | 304,080 | $19.4M | 0.02% | −382,773−55.7% | Reduced |
| Balyasny Asset Management LLC | 309,682 | $19.8M | 0.04% | −190,110−38.0% | Reduced |
| Northern Trust Corp | 315,246 | $20.2M | 0.00% | +278,322+753.8% | Added |
| Penn Capital Management Co Inc | 368,114 | $23.6M | 1.49% | +66,121+21.9% | Added |
| AQR Capital Management LLC | 375,039 | $24.0M | 0.01% | −3,658−1.0% | Reduced |
| Deutsche Bank AG | 387,606 | $24.8M | 0.01% | −136,085−26.0% | Reduced |
| Fisher Asset Management, LLC | 398,266 | $25.5M | 0.01% | −30,706−7.2% | Reduced |
| Standard Life Aberdeen plc | 403,485 | $25.8M | 0.04% | +29,851+8.0% | Added |
| Oberweis Asset Management Inc | 413,034 | $26.4M | 0.55% | +94,400+29.6% | Added |
| Bank of America Corp | 413,411 | $26.4M | 0.00% | −322,529−43.8% | Reduced |
| Alliancebernstein L.P. | 556,151 | $26.8M | 0.01% | −42,737−7.1% | Reduced |
| OrbiMed Advisors LLC | 420,600 | $26.9M | 0.51% | +240,001+132.9% | Added |
| Massachusetts Financial Services Co | 431,324 | $27.6M | 0.01% | −6,678−1.5% | Reduced |
| BNP Paribas Arbitrage, SA | 437,192 | $28.0M | 0.01% | −210,539−32.5% | Reduced |
| SG Americas Securities, LLC | 504,001 | $32.2M | 0.02% | −136,178−21.3% | Reduced |
| Victory Capital Management Inc | 504,853 | $32.3M | 0.02% | −1,668−0.3% | Reduced |
| Two Sigma Investments, LP | 561,480 | $35.9M | 0.03% | +140,566+33.4% | Added |
| D. E. Shaw & Co., Inc. | 569,756 | $36.4M | 0.02% | −389,501−40.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 572,598 | $36.6M | 0.07% | −77,031−11.9% | Reduced |
| Jupiter Topco LLC | 586,177 | $37.5M | 0.02% | +586,177 | New |
| Geode Capital Management, LLC | 604,180 | $38.6M | 0.00% | +559,860+1,263.2% | Added |
| Pictet Asset Management Holding SA | 608,650 | $38.9M | 0.04% | −14,638−2.3% | Reduced |
| Rice Hall James & Associates, LLC | 624,928 | $40.0M | 1.95% | +16,512+2.7% | Added |
| Point72 Asset Management, L.P. | 659,493 | $42.2M | 0.06% | +18,535+2.9% | Added |
| Acadian Asset Management LLC | 679,083 | $43.4M | 0.05% | −657,230−49.2% | Reduced |
| State Street Corp | 704,194 | $45.0M | 0.00% | +627,561+818.9% | Added |
| Driehaus Capital Management LLC | 718,199 | $45.9M | 0.27% | +106,801+17.5% | Added |
| Invesco Ltd. | 772,806 | $49.4M | 0.00% | +745,150+2,694.4% | Added |
| Dimensional Fund Advisors LP | 874,786 | $55.9M | 0.01% | +62,864+7.7% | Added |
| Spruce Street Capital LP | 918,070 | $58.7M | 11.52% | +157,007+20.6% | Added |
| Arrowstreet Capital, Limited Partnership | 957,514 | $61.2M | 0.03% | +64,848+7.3% | Added |
| Morgan Stanley | 1,011,143 | $64.7M | 0.00% | +13,357+1.3% | Added |
| Vanguard Capital Management LLC | 1,360,840 | $87.0M | 0.00% | +27,747+2.1% | Added |
| Vanguard Portfolio Management LLC | 1,911,335 | $122.2M | 0.01% | +145,067+8.2% | Added |
| Tang Capital Management LLC | 2,259,889 | $144.5M | 6.56% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,739,615 | $175.2M | 0.00% | +2,252,878+462.9% | Added |
| Baker Bros. Advisors LP | 2,834,643 | $181.3M | 0.91% | +8,397+0.3% | Added |
| Rubric Capital Management LP | 3,999,800 | $255.8M | 2.35% | +249,800+6.7% | Added |
| FMR LLC | 6,971,361 | $445.8M | 0.02% | +147,661+2.2% | Added |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −305,371−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −259,184−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −134,516−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −67,341−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −51,072−100.0% | Sold out |
| OpenArc Corporate Advisory, LLC | 0 | $0 | 0.00% | −48,353−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −43,599−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −43,027−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −39,735−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −35,271−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −27,670−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −19,492−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −15,068−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −13,100−100.0% | Sold out |
| Cannon Global Investment Management, LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −9,331−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −6,595−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −5,157−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −4,761−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −4,594−100.0% | Sold out |
| Uniplan Investment Counsel, Inc. | 0 | $0 | 0.00% | −493−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| USA Financial Portformulas Corp | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |