Kiniksa Pharmaceuticals InteKNSA

13F holders, Q1 2026 (March 31)
226holders +3
35new positions
33sold out
7famous investors
$48.05avg. 13F price*

At the end of Q1 2026, 226 institutions reported holding Kiniksa Pharmaceuticals Inte (KNSA) in their 13F filings, up 3 from Q4 2025. 35 opened new positions and 33 sold out. The largest holders were FMR LLC ($328.6M), Rubric Capital Management LP ($180.6M) and Baker Bros. Advisors LP ($136.1M). 7 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

0100200300 Q2 2024: 128Q2 2024Q3 2024: 174Q3 2024Q4 2024: 158Q4 2024Q1 2025: 174Q1 2025Q2 2025: 187Q2 2025Q3 2025: 202Q3 2025Q4 2025: 223Q4 2025Q1 2026: 226Q1 2026Q2 2026: 266Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions35$71.6M
Exits33$111.3M

All 13F filers, Q4 2025 → Q1 2026: 10,222,349 shares bought and 7,612,507 shares sold, net +2,609,842 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 226 holders

FMR LLC 0.02% Add +315.4% 6,823,700 $328.6M
Rubric Capital Management LP 2.21% Add +12.7% 3,750,000 $180.6M
Baker Bros. Advisors LP 0.78% No change 2,826,246 $136.1M
Tang Capital Management LLC 5.53% No change 2,259,889 $108.8M
Vanguard Portfolio Management LLC 0.00% — 1,766,268 $85.0M
Acadian Asset Management LLC 0.09% Reduce -22.0% 1,336,313 $64.3M
Vanguard Capital Management LLC 0.00% — 1,333,093 $64.2M
Morgan Stanley 0.00% Reduce -26.6% 997,786 $48.0M
D. E. Shaw & Co. 0.04% Reduce -22.7% 959,257 $46.2M
Arrowstreet Capital, Limited Partnership 0.02% Reduce -16.4% 892,666 $43.0M
Dimensional Fund Advisors LP 0.01% Add +18.8% 811,922 $39.1M
Spruce Street Capital LP 8.81% Add +75.0% 761,063 $36.6M
Bank of America Corp. 0.00% Add +220.9% 735,940 $35.4M
Qube Research & Technologies Ltd 0.05% Reduce -10.4% 686,853 $33.1M
Connor, Clark & Lunn Investment Management Ltd. 0.07% Reduce -12.1% 649,629 $31.3M
BNP Paribas Financial Markets 0.02% Reduce -22.1% 647,731 $31.2M
Point72 Asset Management 0.06% Reduce -19.6% 640,958 $30.9M
SG Americas Securities, LLC 0.03% Add +18.3% 640,179 $30.8M
Pictet Asset Management Holding SA 0.03% Reduce -20.9% 623,288 $30.0M
Driehaus Capital Management LLC 0.22% Reduce -3.4% 611,398 $29.4M
Rice Hall James & Associates, LLC 1.63% Add +2.0% 608,416 $29.3M
Millennium Management 0.02% Reduce -31.6% 564,420 $27.2M
Deutsche Bank AG 0.01% Reduce -16.9% 523,691 $25.2M
Soleus Capital Management, L.P. 1.02% Reduce -11.2% 521,353 $25.1M
Alliancebernstein L.P. 0.01% Add +82.4% 598,888 $24.7M
Victory Capital Management Inc. 0.02% Reduce -1.1% 506,521 $24.4M
Balyasny Asset Management L.P. 0.05% New 499,792 $24.1M
BlackRock, Inc. 0.00% Add +9.0% 486,737 $23.4M
Janus Henderson Group PLC 0.01% Add +213.5% 481,023 $23.2M
Citadel Advisors 0.02% Reduce -36.0% 474,750 $22.9M
Massachusetts Financial Services Co. 0.01% Add +3.0% 438,002 $21.1M
Fisher Asset Management 0.01% Add +60.5% 428,972 $20.7M
Two Sigma Investments, LP 0.02% Reduce -20.7% 420,914 $20.3M
Susquehanna International Group, LLP 0.02% Add +794.7% 383,811 $18.5M
AQR Capital Management 0.01% Add +7.3% 378,697 $18.2M
Aberdeen Group plc 0.03% Reduce -6.7% 373,634 $18.0M
Nomura Holdings Inc. 0.14% Reduce -16.9% 342,939 $16.5M
Oberweis Asset Management Inc./ 0.45% Add +1.9% 318,634 $15.3M
ArrowMark Colorado Holdings LLC 0.41% Reduce -5.0% 316,956 $15.3M
Marshall Wace, LLP 0.02% Add +5165.0% 305,371 $14.7M
Penn Capital Management Company, LLC 1.13% New 301,993 $14.6M
Sei Investments Co. 0.01% Add +30.6% 284,005 $13.7M
Braidwell LP 0.50% Reduce -13.2% 272,522 $13.1M
Parkman Healthcare Partners LLC 1.29% Reduce -61.0% 259,184 $12.5M
Essex Investment Management Co. LLC 1.90% Reduce -0.7% 249,278 $12.0M
New York State Common Retirement Fund 0.01% New 209,617 $10.1M
Granahan Investment Management, LLC 0.49% Reduce -33.8% 209,256 $10.1M
Castleark Management LLC 0.29% Reduce -5.6% 181,512 $8.7M
Peregrine Capital Management LLC 0.32% Reduce -14.0% 181,360 $8.7M
Orbimed Advisors LLC 0.20% Reduce -3.5% 180,599 $8.7M
Goldman Sachs Group Inc. 0.00% Reduce -78.9% 174,901 $8.4M
Rockefeller Capital Management L.P. 0.01% No change 173,438 $8.4M
Squarepoint Ops LLC 0.02% Add +85.6% 158,093 $7.6M
Trexquant Investment LP 0.05% Reduce -39.9% 135,280 $6.5M
Voloridge Investment Management, LLC 0.03% Reduce -41.2% 134,516 $6.5M
Man Group plc 0.01% Add +222.4% 127,186 $6.1M
Linden Thomas Advisory Services, LLC 0.56% Add +6.4% 121,777 $5.9M
Voleon Capital Management LP 0.13% Reduce -20.4% 120,385 $5.8M
Silvercrest Asset Management Group LLC 0.04% Reduce -9.6% 114,289 $5.5M
Nordea Investment Management AB 0.00% Reduce -3.7% 106,635 $5.1M
Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% Add +78.3% 104,654 $5.0M
JPMorgan Chase & Co. 0.00% Add +121.1% 107,017 $4.9M
Globeflex Capital L P 0.68% No change 93,396 $4.5M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Reduce -40.5% 88,600 $4.3M
PDT Partners, LLC 0.23% Reduce -21.0% 80,263 $3.9M
State Street Corp. 0.00% Add +5.0% 76,633 $3.7M
Swiss National Bank 0.00% Add +4.2% 71,500 $3.4M
Legato Capital Management LLC 0.31% Add +12.2% 70,805 $3.4M
UBS Group AG 0.00% Reduce -10.5% 69,700 $3.4M
Hennion & Walsh Asset Management, Inc. 0.11% Reduce -15.0% 67,341 $3.2M
Manufacturers Life Insurance Company, The 0.00% Add +56.7% 63,346 $3.1M
Informed Momentum Co LLC 0.31% Reduce -41.2% 56,494 $2.7M
Brevan Howard Capital Management LP 0.03% New 53,882 $2.6M
Penserra Capital Management LLC 0.03% New 53,102 $2.6M
ExodusPoint Capital Management, LP 0.03% Add +557.2% 52,303 $2.5M
Fieldview Capital Management, LLC 0.72% New 51,072 $2.5M
Charles Schwab Investment Management Inc. 0.00% Reduce -20.8% 50,299 $2.4M
OpenArc Corporate Advisory, LLC 0.03% Add +42.8% 48,353 $2.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +5.0% 44,525 $2.1M
Geode Capital Management, LLC 0.00% Reduce -3.2% 44,320 $2.1M
Cerity Partners LLC 0.00% Add +1.1% 43,712 $2.1M
Schonfeld Strategic Advisors LLC 0.02% Reduce -31.9% 43,599 $2.1M
Jain Global LLC 0.03% Add +35.3% 43,027 $2.1M
Ieq Capital, LLC 0.01% Reduce -10.2% 42,950 $2.1M
California State Teachers Retirement System 0.00% Add +33.3% 41,975 $2.0M
Baird Financial Group, Inc. 0.00% Reduce -4.7% 40,249 $1.9M
Jump Financial, LLC 0.03% Reduce -56.5% 39,735 $1.9M
Northern Trust Corp. 0.00% Reduce -38.8% 36,924 $1.8M
Inspire Investing, LLC 0.10% New 35,271 $1.7M
Barclays PLC 0.00% Add +646.2% 34,152 $1.6M
Citigroup Inc. 0.00% Add +1891.4% 33,714 $1.6M
Vanguard Fiduciary Trust Co. 0.00% — 32,096 $1.5M
Stifel Financial Corp. 0.00% New 31,951 $1.5M
Ameriprise Financial Inc. 0.00% Reduce -1.1% 31,755 $1.5M
Lisanti Capital Growth, LLC 0.38% New 31,065 $1.5M
Raymond James Financial Inc. 0.00% Reduce -36.8% 31,089 $1.4M
Artia Global Partners LP 0.32% No change 29,200 $1.4M
Public Employees Retirement System of Ohio 0.00% No change 28,955 $1.4M
Hudson Bay Capital Management LP 0.01% New 27,670 $1.3M
Invesco Ltd. 0.00% Reduce -14.5% 27,656 $1.3M
Nuveen, LLC 0.00% Add +33.2% 26,948 $1.3M
ADAR1 Capital Management, LLC 0.08% Reduce -6.3% 26,913 $1.3M
Legal & General Group Plc 0.00% Reduce -13.9% 24,602 $1.2M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 23,423 $1.1M
Cwm, LLC 0.00% Add +11.2% 22,913 $1.1M
Ami Asset Management Corp. 0.07% Reduce -49.1% 21,943 $1.1M
Lazard Asset Management LLC 0.00% Reduce -84.7% 21,432 $1.0M
Kornitzer Capital Management Inc. 0.02% Reduce -3.3% 21,369 $1.0M
Hussman Strategic Advisors, Inc. 0.22% New 21,000 $1.0M
LPL Financial LLC 0.00% New 20,925 $1.0M
Orion Porfolio Solutions, LLC 0.01% Add +33.1% 20,733 $998K
Toth Financial Advisory Corp. 0.11% Reduce -3.9% 20,725 $998K
Wealth Enhancement Advisory Services, LLC 0.00% Add +22.9% 20,181 $985K
Virtus Investment Advisers, LLC 0.27% Add +23.5% 20,300 $977K
Landscape Capital Management, L.L.C. 0.06% New 19,492 $939K
Mark Sheptoff Financial Planning, LLC 0.50% Add +0.9% 16,500 $936K
Bank of New York Mellon Corp 0.00% Add +20.2% 17,388 $837K
State of Wisconsin Investment Board 0.00% Add +1.6% 17,076 $822K
Freestone Grove Partners LP 0.01% New 16,660 $802K
Mariner, LLC 0.00% Add +20.7% 16,318 $786K
Los Angeles Capital Management LLC 0.00% Reduce -31.4% 16,229 $781K
Savant Capital, LLC 0.00% Add +132.8% 16,004 $771K
TD Waterhouse Canada Inc. 0.00% Add +39.5% 15,967 $768K
Allspring Global Investments Holdings, LLC 0.00% Add +11.5% 15,356 $739K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -10.8% 15,111 $728K
Sound View Wealth Advisors Group, LLC 0.05% Add +1.7% 15,050 $725K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +1.4% 14,385 $693K
Precision Wealth Strategies, LLC 0.22% New 14,063 $677K
Catalyst Funds Management Pty Ltd 0.11% No change 13,400 $645K
OMERS ADMINISTRATION Corp 0.00% New 13,100 $631K
State of Wyoming 0.07% Reduce -2.3% 12,976 $625K
Creative Planning 0.00% Add +10.5% 12,687 $611K
State of New Jersey Common Pension Fund D 0.00% Add +4.0% 12,347 $595K
Gsa Capital Partners LLP 0.03% Reduce -83.7% 11,257 $542K
Cannon Global Investment Management, LLC 1.29% New 11,000 $530K
Arizona State Retirement System 0.00% Add +2.2% 9,923 $478K
First Trust Advisors LP 0.00% Add +3.1% 9,876 $476K
Juncture Wealth Strategies, LLC 0.15% Add +16.3% 9,470 $456K
Cynosure Group, LLC 0.06% New 9,331 $449K
Vanguard Investments Australia, Ltd. 0.00% — 9,273 $446K
Brooklyn Investment Group 0.01% Reduce -23.1% 9,208 $443K
PSP Research LLC 0.31% Reduce -28.9% 9,000 $433K
Mercer Global Advisors Inc. 0.00% Add +16.6% 8,960 $431K
HighTower Advisors, LLC 0.00% Reduce -1.6% 8,585 $413K
Wells Fargo & Company 0.00% Reduce -84.6% 8,368 $403K
China Universal Asset Management Co., Ltd. 0.03% Add +10.7% 8,145 $392K
Corient Private Wealth LP 0.00% New 8,056 $388K
Simplex Trading, LLC 0.01% New 8,002 $385K
KLP Kapitalforvaltning As 0.00% Add +6.7% 8,000 $385K
Pallas Capital Advisors LLC 0.01% Reduce -10.0% 7,716 $372K
Gotham Asset Management 0.00% Add +13.7% 7,574 $365K
American Century Companies Inc. 0.00% New 7,302 $352K
Rhumbline Advisers 0.00% No change 7,286 $351K
Round Rock Advisors LLC 0.05% Add +2.4% 7,226 $348K
James Investment Research, Inc. 0.04% No change 7,027 $338K
Twinbeech Capital LP 0.03% Reduce -39.1% 6,595 $318K
Engineers Gate Manager LP 0.00% Reduce -84.0% 6,401 $308K
Tidal Investments LLC 0.00% New 6,184 $298K
Roman Butler Fullerton & Co. 0.08% Reduce -8.4% 5,852 $275K
Vestcor Inc 0.01% No change 5,623 $271K
Merit Financial Group, LLC 0.00% New 5,415 $261K
Financiere des Professionnels - Fonds d'investissement inc. 0.02% No change 5,376 $259K
Captrust Financial Advisors 0.00% New 5,257 $253K
Sanctuary Advisors, LLC 0.00% Reduce -2.8% 5,241 $252K
HSBC Holdings PLC 0.00% New 5,157 $248K
BIT Capital GmbH 0.01% Reduce -59.9% 5,138 $247K
Vident Advisory, LLC 0.00% New 5,107 $246K
Commonwealth Equity Services, LLC 0.00% New 5,036 $242K
Jefferies Financial Group Inc. 0.00% New 5,000 $241K
Franklin Resources Inc. 0.00% Add +0.0% 4,944 $238K
Quantessence Capital LLC 1.12% New 4,761 $229K
Teacher Retirement System of Texas 0.00% Reduce -9.0% 4,690 $226K
MML Investors Services, LLC 0.00% Reduce -12.1% 4,623 $223K
Prelude Capital Management, LLC 0.02% Reduce -35.0% 4,594 $221K
Aquatic Capital Management LLC 0.01% Add +125.3% 4,369 $210K
Oregon Public Employees Retirement Fund 0.00% No change 2,324 $112K
Steward Partners Investment Advisory, LLC 0.00% No change 2,266 $109K
State of Alaska, Department of Revenue 0.00% No change 2,268 $109K
Essential Partners LLC 0.03% No change 1,926 $93K
PNC Financial Services Group, Inc. 0.00% Reduce -8.2% 1,765 $85K
Osaic Holdings, Inc. 0.00% Add +10.8% 1,739 $84K
Farther Finance Advisors, LLC 0.00% Reduce -1.2% 1,536 $74K
Signaturefd, LLC 0.00% Add +15.1% 1,090 $52K
GAMMA Investing LLC 0.00% Reduce -1.5% 1,052 $51K
Larson Financial Group LLC 0.00% Add +154.4% 1,048 $50K
GF Fund Management Co. LTD. 0.00% Add +14.4% 1,015 $49K
US Bancorp \de 0.00% Reduce -33.8% 913 $44K
Smartleaf Asset Management LLC 0.00% Reduce -0.2% 887 $41K
KBC Group NV 0.00% New 706 $34K
True Wealth Design, LLC 0.01% No change 687 $33K
EverSource Wealth Advisors, LLC 0.00% Add +19.4% 652 $31K
Parallel Advisors, LLC 0.00% No change 535 $26K
USA Financial Formulas 0.00% Reduce -18.9% 533 $26K
Truvestments Capital LLC 0.00% Reduce -18.7% 510 $25K
Federation des caisses Desjardins du Quebec 0.00% No change 500 $24K
Allworth Financial LP 0.00% Add +147.3% 319 $15K
Tower Research Capital LLC (TRC) 0.00% Reduce -33.0% 254 $12K
Royal Bank of Canada 0.00% Add +186.2% 249 $12K
Jones Financial Companies LLLP 0.00% Reduce -14.4% 237 $11K
Fortitude Family Office, LLC 0.00% Reduce -10.0% 224 $11K
Wilmington Savings Fund Society, FSB 0.00% New 204 $10K
MAI Capital Management 0.00% Add +3600.0% 185 $9K
Rothschild Investment LLC 0.00% Add +15.0% 184 $9K
Versant Capital Management, Inc 0.00% No change 166 $8K
J.Safra Asset Management Corp 0.00% New 162 $8K
Root Financial Partners, LLC 0.00% Add +1587.5% 135 $7K
Stone House Investment Management, LLC 0.00% Add +200.0% 123 $6K
Russell Investments Group, Ltd. 0.00% Reduce -96.2% 122 $6K
Quarry LP 0.00% Reduce -59.3% 110 $5K
Nisa Investment Advisors, LLC 0.00% No change 105 $5K
Basecamp Wealth Advisors LLC 0.00% Add +3.8% 82 $4K
IFP Advisors, Inc 0.00% No change 82 $4K
Kilter Group LLC 0.00% No change 61 $3K
Physician Wealth Advisors, Inc. 0.00% Add +71.0% 53 $3K
Cornerstone Financial Management LLC 0.00% Add +34.4% 43 $2K
Northwestern Mutual Wealth Management Co. 0.00% New 42 $2K
Sunbelt Securities, Inc. 0.00% No change 42 $2K
SJS Investment Consulting Inc. 0.00% Add +76.9% 23 $1K
Avion Wealth 0.00% No change 24 $1K
Arax Advisory Partners 0.00% Add +566.7% 20 $963
Bare Financial Services, Inc 0.00% New 16 $770
Caitong International Asset Management Co., Ltd 0.00% Reduce -95.5% 15 $722
SBI Securities Co., Ltd. 0.00% Reduce -90.0% 10 $482
Advisory Services Network, LLC 0.00% New 8 $385
Assetmark, Inc. 0.00% No change 5 $241
Harbour Investments, Inc. 0.00% No change 3 $144

"% of holder's portfolio" is KNSA's weight in each manager's 13F, not the share of Kiniksa Pharmaceuticals Inte the manager owns.