AMI Asset Management’s Kiniksa Pharmaceuticals KNSA Stock Holding History

AMI Asset Management’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	$1.01M	Sell	15,858 -6,085	-28%	-$316K	0.06%	56
2026 Q1	$1.06M	Sell	21,943 -21,173	-49%	-$938K	0.07%	48
2025 Q4	$1.78M	Buy	43,116 +9	+0%	+$361	0.1%	38
2025 Q3	$1.67M	Sell	43,107 -34	-0.1%	-$1.1K	0.09%	41
2025 Q2	$1.19M	Sell	43,141 -34,547	-44%	-$879K	0.07%	44
2025 Q1	$1.73M	Buy	77,688 +26,010	+50%	+$535K	0.1%	49
2024 Q4	$1.02M	Buy	51,678 +416	+0.8%	+$9.49K	0.05%	70
2024 Q3	$1.28M	Buy	+51,262	New	+$1.25M	0.07%	58

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

AMI Asset Management's KNSA Position: Q2 2026 in Review

AMI Asset Management reduced its Kiniksa Pharmaceuticals (KNSA) stake by 28% in Q2 2026, selling an estimated $316K and leaving 15,858 shares worth $1.01M. The position accounts for 0.06% of the portfolio, ranked #56.

AMI Asset Management first reported a position in KNSA in Q3 2024 and has held it in 8 quarters since. The position peaked at $1.78M in Q4 2025. 266 funds tracked by Wall St. Rank hold KNSA as of Q2 2026.

AMI Asset Management held 15,858 shares of Kiniksa Pharmaceuticals worth $1.01M as of Q2 2026.
AMI Asset Management sold 6,085 Kiniksa Pharmaceuticals shares in Q2 2026, an estimated $316K.
Kiniksa Pharmaceuticals made up 0.06% of AMI Asset Management's portfolio in Q2 2026, its #56 holding.
AMI Asset Management first reported a position in Kiniksa Pharmaceuticals in Q3 2024 and has held it in 8 quarters since.
AMI Asset Management's Kiniksa Pharmaceuticals position peaked at $1.78M in Q4 2025.
266 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q2 2026.

Based on AMI Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.