Rossby Financial’s Cogent Biosciences COGT Stock Holding History

Rossby Financial’s Portfolio COGT Stock Details COGT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$5.34K	Sell	138 -6	-4%	-$210	﹤0.01%	1408
2026 Q1	$5.08K	Buy	+144	New	+$5.32K	﹤0.01%	1492

Other funds holding COGT

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jupiter Topco New York $245B AUM

FFM

Fairmount Funds Management West Conshohocken, Pennsylvania $1.51B AUM 546.08% 1-Year Est. Return

Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Rossby Financial's COGT Position: Q2 2026 in Review

Rossby Financial reduced its Cogent Biosciences (COGT) stake by 4.2% in Q2 2026, selling an estimated $210 and leaving 138 shares worth $5.34K. The position accounts for ﹤0.01% of the portfolio, ranked #1408.

Rossby Financial first reported a position in COGT in Q1 2026 and has held it in 2 quarters since. 324 funds tracked by Wall St. Rank hold COGT as of Q2 2026.

Rossby Financial held 138 shares of Cogent Biosciences worth $5.34K as of Q2 2026.
Rossby Financial sold 6 Cogent Biosciences shares in Q2 2026, an estimated $210.
Cogent Biosciences made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1408 holding.
Rossby Financial first reported a position in Cogent Biosciences in Q1 2026 and has held it in 2 quarters since.
324 funds tracked by Wall St. Rank held Cogent Biosciences as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.