Dark Forest Capital Management’s Kiniksa Pharmaceuticals KNSA Stock Holding History

Dark Forest Capital 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
2025 Q4	–	Sell	-43,346	Closed	-$1.68M	–	1170
2025 Q3	$1.68M	Sell	43,346 -4,861	-10%	-$158K	0.06%	531
2025 Q2	$1.33M	Buy	48,207 +34,099	+242%	+$868K	0.05%	636
2025 Q1	$313K	Buy	+14,108	New	+$290K	0.01%	1056
2024 Q2	–	Sell	-70,596	Closed	-$1.39M	–	785
2024 Q1	$1.39M	Buy	+70,596	New	+$1.38M	0.24%	75
2023 Q4	–	Sell	-65,029	Closed	-$1.13M	–	803
2023 Q3	$1.13M	Buy	+65,029	New	+$1.1M	0.09%	362

Other funds holding KNSA

RCMNY

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

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

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

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

FFM

Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 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

Dark Forest Capital Management's KNSA Position: Q4 2025 in Review

Dark Forest Capital Management sold out of Kiniksa Pharmaceuticals (KNSA) in Q4 2025, closing a stake of 43,346 shares — an estimated $1.68M sold.

Dark Forest Capital Management first reported a position in KNSA in Q3 2023 and held it in 5 quarters. The position peaked at $1.68M in Q3 2025. 224 funds tracked by Wall St. Rank hold KNSA as of Q4 2025.

Dark Forest Capital Management reported no remaining Kiniksa Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
Dark Forest Capital Management sold 43,346 Kiniksa Pharmaceuticals shares in Q4 2025, an estimated $1.68M.
Dark Forest Capital Management first reported a position in Kiniksa Pharmaceuticals in Q3 2023 and held it in 5 quarters.
Dark Forest Capital Management's Kiniksa Pharmaceuticals position peaked at $1.68M in Q3 2025.
224 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q4 2025.

Based on Dark Forest Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.