Steven Cohen’s Kiniksa Pharmaceuticals KNSA Stock Holding History

Steven Cohen’s Portfolio KNSA Stock Details KNSA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$42.2M	Buy	659,493 +18,535	+3%	+$961K	0.05%	502
2026 Q1	$30.9M	Sell	640,958 -156,179	-20%	-$6.92M	0.04%	594
2025 Q4	$32.9M	Buy	797,137 +230,210	+41%	+$9.23M	0.04%	603
2025 Q3	$22M	Sell	566,927 -281,622	-33%	-$9.15M	0.04%	520
2025 Q2	$23.5M	Sell	848,549 -300,862	-26%	-$7.66M	0.05%	438
2025 Q1	$25.5M	Buy	+1,149,411	New	+$23.7M	0.06%	382
2022 Q2	–	Sell	-329,798	Closed	-$3.28M	–	1516
2022 Q1	$3.28M	Sell	329,798 -68,554	-17%	-$726K	0.01%	785
2021 Q4	$4.69M	Buy	398,352 +23,252	+6%	+$286K	0.02%	689
2021 Q3	$4.27M	Buy	+375,100	New	+$4.88M	0.02%	688
2021 Q2	–	Sell	-219,800	Closed	-$4.07M	–	1073
2021 Q1	$4.07M	Buy	+219,800	New	+$4.5M	0.02%	611
2019 Q4	–	Sell	-140,000	Closed	-$1.19M	–	1100
2019 Q3	$1.19M	Buy	140,000 +105,000	+300%	+$1.16M	0.01%	663
2019 Q2	$474K	Buy	+35,000	New	+$543K	﹤0.01%	849
2018 Q3	–	Sell	-5,000	Closed	-$87K	–	1115
2018 Q2	$87K	Buy	+5,000	New	+$90.5K	﹤0.01%	935

Other funds holding KNSA

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

TCM

Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

SSC

Spruce Street Capital New York $510M AUM

Steven Cohen's KNSA Position: Q2 2026 in Review

Steven Cohen increased its Kiniksa Pharmaceuticals (KNSA) stake by 2.9% in Q2 2026, buying an estimated $961K and bringing the position to 659,493 shares worth $42.2M. The position accounts for 0.05% of the portfolio, ranked #502.

Steven Cohen first reported a position in KNSA in Q2 2018 and has held it in 13 quarters since. 265 funds tracked by Wall St. Rank hold KNSA as of Q2 2026.

Steven Cohen held 659,493 shares of Kiniksa Pharmaceuticals worth $42.2M as of Q2 2026.
Steven Cohen bought 18,535 Kiniksa Pharmaceuticals shares in Q2 2026, an estimated $961K.
Kiniksa Pharmaceuticals made up 0.05% of Steven Cohen's portfolio in Q2 2026, its #502 holding.
Steven Cohen first reported a position in Kiniksa Pharmaceuticals in Q2 2018 and has held it in 13 quarters since.
265 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q2 2026.

Based on Point72 Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.