Kiniksa Pharmaceuticals International, plc (KNSA) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

80,152,174Shares Outstanding
7,502,633Shares held by institutions
$309,483,611Value of institutional holdings
51.64%Institutional ownership %
3.75%Shares Changed QoQ
203No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of September 2025 show that 203 institutional investors hold a position in Kiniksa Pharmaceuticals International, plc (NASDAQ:KNSA).

203 Institutional Holders

7,502,633 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
Rubric Capital Management LP 30 Sep, 2025 4,000,000 90,194 2.31% $155,320,000.00
VANGUARD GROUP INC 30 Sep, 2025 3,063,135 -68,467 -2.19% $118,941,532.00
BAKER BROS. ADVISORS LP 30 Sep, 2025 2,824,669 0 0.00% $109,681,897.00
TANG CAPITAL MANAGEMENT LLC 30 Sep, 2025 2,328,609 0 0.00% $90,419,887.00
Fairmount Funds Management LLC 30 Sep, 2025 1,772,839 0 0.00% $68,839,338.00
ACADIAN ASSET MANAGEMENT LLC 30 Sep, 2025 1,618,521 350,532 27.64% $62,824.00
MORGAN STANLEY 30 Sep, 2025 1,362,923 296,644 27.82% $52,922,329.00
D. E. Shaw & Co., Inc. 30 Sep, 2025 1,134,186 342,881 43.33% $44,040,443.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 30 Sep, 2025 1,068,263 332,846 45.26% $41,480,652.00
MILLENNIUM MANAGEMENT LLC 30 Sep, 2025 1,014,125 -5,843 -0.57% $39,378,474.00
Pictet Asset Management Holding SA 30 Sep, 2025 932,096 -52,501 -5.33% $36,193,288.00
FMR LLC 30 Sep, 2025 799,755 -7,143 -0.89% $31,054,496.00
Connor, Clark & Lunn Investment Management Ltd. 30 Sep, 2025 725,355 101,666 16.30% $28,165,535.00
Qube Research & Technologies Ltd 30 Sep, 2025 689,888 -198,476 -22.34% $26,788,351.00
Parkman Healthcare Partners LLC 30 Sep, 2025 671,592 182,796 37.40% $26,077,917.00
DRIEHAUS CAPITAL MANAGEMENT LLC 30 Sep, 2025 654,585 6,605 1.02% $25,417,536.00
BNP PARIBAS FINANCIAL MARKETS 30 Sep, 2025 653,411 227,464 53.40% $25,371,949.00
BRAIDWELL LP 30 Sep, 2025 643,180 -459,400 -41.67% $24,974,679.00
DIMENSIONAL FUND ADVISORS LP 30 Sep, 2025 632,123 -16,213 -2.50% $24,545,132.00
Caption Management, LLC 30 Sep, 2025 592,600 -779,900 -56.82% $23,010,658.00