Kiniksa Pharmaceuticals International, plc

KNSANASDAQ

$75.79+0.57 (+0.76%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Kiniksa Pharmaceuticals International, plc price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+102.3%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
FMR LLC	Not reported	$446M	0.02%	Not reported
Rubric Capital Management LP	Not reported	$256M	2.35%	Not reported
Baker Bros. Advisors LP	Not reported	$181M	0.91%	Add 0.30%
BlackRock, Inc.	Not reported	$175M	0.00%	Not reported
Tang Capital Management LLC	Not reported	$145M	6.56%	Not reported
Vanguard Portfolio Management LLC	Not reported	$122M	0.01%	Not reported
Vanguard Capital Management LLC	Not reported	$87M	0.00%	Not reported
Morgan Stanley	Not reported	$64.7M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	Not reported	$61.2M	0.03%	Not reported
Spruce Street Capital LP	Not reported	$58.7M	11.52%	Add 20.63%
Dimensional Fund Advisors LP	Not reported	$55.9M	0.01%	Not reported
Invesco Ltd.	Not reported	$49.4M	0.00%	Not reported
Driehaus Capital Management LLC	Not reported	$45.9M	0.27%	Add 17.47%
State Street Corp	Not reported	$45M	0.00%	Not reported
Acadian Asset Management LLC	Not reported	$43.4M	0.05%	Not reported
Point72 Asset Management, L.P.	Not reported	$42.2M	0.05%	Not reported
Rice Hall James & Associates, LLC	Not reported	$40M	1.95%	Add 2.71%
Pictet Asset Management Holding SA	Not reported	$38.9M	0.04%	Reduce 2.35%
Geode Capital Management, LLC	Not reported	$38.6M	0.00%	Not reported
Jupiter Topco LLC	Not reported	$37.5M	0.02%	Not reported
D. E. Shaw & Co., Inc.	Not reported	$36.4M	0.02%	Not reported
Two Sigma Investments, LP	Not reported	$35.9M	0.03%	Not reported
Alliancebernstein L.P.	Not reported	$26.8M	0.01%	Not reported
Victory Capital Management Inc	Not reported	$32.3M	0.02%	Not reported
SG Americas Securities, LLC	Not reported	$32.2M	0.02%	Not reported
BNP Paribas Financial Markets	Not reported	$28M	0.01%	Not reported
Massachusetts Financial Services Co	Not reported	$27.6M	0.01%	Reduce 1.52%
Orbimed Advisors LLC	Not reported	$26.9M	0.50%	Not reported
Bank of America Corp	Not reported	$26.4M	0.00%	Not reported
Oberweis Asset Management Inc/	Not reported	$26.4M	0.55%	Add 29.63%
Aberdeen Group plc	Not reported	$25.8M	0.04%	Add 7.99%
Fisher Asset Management, LLC	Not reported	$25.5M	0.01%	Reduce 7.16%
Deutsche Bank Ag\	Not reported	$24.8M	0.01%	Not reported
AQR Capital Management LLC	Not reported	$24M	0.01%	Not reported
Penn Capital Management Company, LLC	Not reported	$23.6M	1.49%	Add 21.89%
Northern Trust Corp	Not reported	$20.2M	0.00%	Not reported
Balyasny Asset Management L.P.	Not reported	$19.8M	0.02%	Not reported
Qube Research & Technologies Ltd	Not reported	$19.4M	0.02%	Not reported
New York State Common Retirement Fund	Not reported	$17.4M	0.02%	Not reported
Nomura Holdings Inc	Not reported	$17.3M	0.02%	Reduce 21.06%
Soleus Capital Management, L.P.	Not reported	$15.8M	0.54%	Not reported
Essex Investment Management Co LLC	Not reported	$15.4M	2.02%	Reduce 3.17%
Bank of New York Mellon Corp	Not reported	$14.9M	0.00%	Not reported
ArrowMark Colorado Holdings LLC	Not reported	$13.8M	0.57%	Reduce 31.99%
Stempoint Capital LP	Not reported	$13.4M	2.30%	Not reported
Goldman Sachs Group Inc	Not reported	$12.2M	0.00%	Not reported
Sei Investments Co	Not reported	$12.1M	0.01%	Not reported
Braidwell LP	Not reported	$11.8M	0.43%	Reduce 32.55%
Castleark Management LLC	Not reported	$11.1M	0.30%	Reduce 4.12%
Rockefeller Capital Management L.P.	Not reported	$11.1M	0.02%	Not reported

50 of 248 holders

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