Stock Ownership/Kiniksa Pharmaceuticals International, plc

Kiniksa Pharmaceuticals International, plc: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in Kiniksa Pharmaceuticals International, plc. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$525.3M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Institutional Holders of Kiniksa Pharmaceuticals International, plc
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
BAKER BROS. ADVISORS LP
CIK 0001263508
Hedge Fund2.83M$181.3M34.5%0.9%Added+$537KQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund958K$61.2M11.7%0.0%Added+$4.1MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund659K$42.2M8.0%0.0%Added+$1.2MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund570K$36.4M6.9%0.0%Added+$13.8MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund561K$35.9M6.8%0.0%Added+$9.0MQ2 2026
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund421K$26.9M5.1%0.5%Added+$15.3MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager398K$25.5M4.8%0.0%Reduced$-2.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund375K$24.0M4.6%0.0%Added+$23.3MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund310K$19.8M3.8%0.0%Reduced$-12.2MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund304K$19.4M3.7%0.0%Reduced$-24.5MQ2 2026
BAKER BROS. ADVISORS LPAdded
Hedge Fund
$181.3M· 34.5% of total· 0.9% port· 2.83M sh· +$537K QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$61.2M· 11.7% of total· 0.0% port· 958K sh· +$4.1M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$42.2M· 8.0% of total· 0.0% port· 659K sh· +$1.2M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$36.4M· 6.9% of total· 0.0% port· 570K sh· +$13.8M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$35.9M· 6.8% of total· 0.0% port· 561K sh· +$9.0M QoQ· Q2 2026
ORBIMED ADVISORS LLCAdded
Hedge Fund
$26.9M· 5.1% of total· 0.5% port· 421K sh· +$15.3M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$25.5M· 4.8% of total· 0.0% port· 398K sh· $-2.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$24.0M· 4.6% of total· 0.0% port· 375K sh· +$23.3M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$19.8M· 3.8% of total· 0.0% port· 310K sh· $-12.2M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$19.4M· 3.7% of total· 0.0% port· 304K sh· $-24.5M QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$13.8M· 2.6% of total· 0.6% port· 216K sh· $-6.5M QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$11.1M· 2.1% of total· 0.0% port· 173K sh· +$0 QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$9.0M· 1.7% of total· 0.0% port· 140K sh· $-1.2M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$6.0M· 1.1% of total· 0.0% port· 93K sh· $-30.1M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCNew
Hedge Fund
$4.4M· 0.8% of total· 0.0% port· 68K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$2.7M· 0.5% of total· 0.0% port· 42K sh· +$1.9M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$2.6M· 0.5% of total· 0.0% port· 41K sh· $-5.5M QoQ· Q2 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$2.1M· 0.4% of total· 0.0% port· 33K sh· — QoQ· Q2 2026
Verition Fund Management LLCNew
Hedge Fund
$480K· 0.1% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$317K· 0.1% of total· 0.0% port· 5K sh· $-879K QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$307K· 0.1% of total· 0.0% port· 5K sh· $-177K QoQ· Q2 2026
1–10 of 21
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← Stock ownership