SEI Investments’s Kiniksa Pharmaceuticals KNSA Stock Holding History

SEI Investments’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 Q1	$13.7M	Buy	284,005 +66,509	+31%	+$2.95M	0.01%	965
2025 Q4	$8.97M	Buy	217,496 +46,327	+27%	+$1.86M	0.01%	1105
2025 Q3	$6.65M	Buy	171,169 +69,673	+69%	+$2.26M	0.01%	1187
2025 Q2	$2.81M	Buy	101,496 +25,860	+34%	+$658K	﹤0.01%	1511
2025 Q1	$1.68M	Buy	75,636 +33,452	+79%	+$689K	﹤0.01%	1706
2024 Q4	$834K	Sell	42,184 -2,354	-5%	-$53.7K	﹤0.01%	2018
2024 Q3	$1.11M	Buy	44,538 +5,562	+14%	+$135K	﹤0.01%	1911
2024 Q2	$728K	Sell	38,976 -34,505	-47%	-$646K	﹤0.01%	2026
2024 Q1	$1.45M	Buy	+73,481	New	+$1.44M	﹤0.01%	1752
2023 Q4	–	Sell	-20,819	Closed	-$362K	–	2652
2023 Q3	$362K	Buy	+20,819	New	+$351K	﹤0.01%	2232

Other funds holding KNSA

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

TCM

Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

SEI Investments's KNSA Position: Q1 2026 in Review

SEI Investments increased its Kiniksa Pharmaceuticals (KNSA) stake by 31% in Q1 2026, buying an estimated $2.95M and bringing the position to 284,005 shares worth $13.7M. The position accounts for 0.01% of the portfolio, ranked #965.

SEI Investments first reported a position in KNSA in Q3 2023 and has held it in 10 quarters since. 228 funds tracked by Wall St. Rank hold KNSA as of Q1 2026.

SEI Investments held 284,005 shares of Kiniksa Pharmaceuticals worth $13.7M as of Q1 2026.
SEI Investments bought 66,509 Kiniksa Pharmaceuticals shares in Q1 2026, an estimated $2.95M.
Kiniksa Pharmaceuticals made up 0.01% of SEI Investments's portfolio in Q1 2026, its #965 holding.
SEI Investments first reported a position in Kiniksa Pharmaceuticals in Q3 2023 and has held it in 10 quarters since.
228 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.