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Kiniksa Pharmaceuticals
KNSA

Overview Fund Activity

188 hedge funds and large institutions have $1.1B invested in Kiniksa Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 48 funds opening new positions, 65 increasing their positions, 62 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
188
Holders Change
+13
Holders Change %
+7.43%
% of All Funds
2.52%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
48
Increased
65
Reduced
62
Closed
33
Calls
$8.22M
Puts
$36.2M
Net Calls
-$28M
Net Calls Change
-$28.1M

Top Buyers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
$20.3M
2
FFM
Fairmount Funds Management
Pennsylvania
$49.1M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$24.6M
4
RCMNY
Rubric Capital Management (New York)
New York
$108M
5
CSS
Cubist Systematic Strategies
Connecticut
$18.2M

Top Sellers

1
BlackRock
BlackRock
New York
$19.4M
2
B
Braidwell
Connecticut
$30.5M
3
State Street
State Street
Massachusetts
$2.02M
4
NL
Nuveen LLC
North Carolina
$0
5
Geode Capital Management
Geode Capital Management
Massachusetts
$1.41M
Name Holding Trade Value Shares
Change 		Shares
Change %
Russell Investments Group
76
Russell Investments Group
United Kingdom
$1.7M -$615K -22,056 -27%
SFI
77
Susquehanna Fundamental Investments
Pennsylvania
$1.66M -$1.05M -37,867 -39%
YIH
78
Y-Intercept (HK)
Hong Kong
$1.65M +$1.65M +59,564 New
EGM
79
Engineers Gate Manager
New York
$1.64M +$1.64M +59,275 New
Victory Capital Management
80
Victory Capital Management
Texas
$1.63M +$156K +5,647 +11%
ACM
81
ADAR1 Capital Management
Texas
$1.56M +$419K +15,128 +37%
JG
82
Jain Global
New York
$1.54M +$1.54M +55,554 New
Baird Financial Group
83
Baird Financial Group
Wisconsin
$1.53M +$1.53M +55,312 New
Northern Trust
84
Northern Trust
Illinois
$1.51M -$6.55M -236,609 -81%
Citigroup
85
Citigroup
New York
$1.47M +$556K +20,095 +61%
MAM
86
Martingale Asset Management
Massachusetts
$1.45M +$67.3K +2,434 +5%
HF
87
HRT Financial
New York
$1.44M +$1.44M +51,964 New
Geode Capital Management
88
Geode Capital Management
Massachusetts
$1.41M -$12.6M -454,509 -90%
LCM
89
Legato Capital Management
California
$1.4M -$3.38K -122 -0.2%
DFCM
90
Dark Forest Capital Management
Puerto Rico
$1.33M +$944K +34,099 +242%
IC
91
IEQ Capital
California
$1.3M +$91.1K +3,291 +8%
LPC
92
Lion Point Capital
New York
$1.27M – – –
AAM
93
AMI Asset Management
California
$1.19M -$956K -34,547 -44%
Cerity Partners
94
Cerity Partners
New York
$1.16M +$33.1K +1,196 +3%
UOC
95
UBS O'Connor
Illinois
$1.04M -$2.81M -101,673 -73%
FRM
96
Fox Run Management
Connecticut
$989K +$675K +24,391 +215%
KOCAA
97
Knights of Columbus Asset Advisors
Connecticut
$903K -$830K -30,002 -48%
Ameriprise
98
Ameriprise
Minnesota
$893K -$139K -5,014 -13%
Bank of New York Mellon
99
Bank of New York Mellon
New York
$878K -$2.49M -90,120 -74%
California State Teachers Retirement System (CalSTRS)
100
California State Teachers Retirement System (CalSTRS)
California
$872K -$78.1K -2,824 -8%
2 3
4
5 6