Massachusetts Financial Services
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Massachusetts Financial Services’s Cogent Biosciences COGT Stock Holding History

Massachusetts Financial Services’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
Q1 		$17.3M Buy
+449,482
New +$16.6M 0.01% 668

Other funds holding COGT

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Massachusetts Financial Services's COGT Position: Q1 2026 in Review

Massachusetts Financial Services opened a new position in Cogent Biosciences (COGT) in Q1 2026: 449,482 shares worth $17.3M. The stake represents 0.01% of the portfolio and ranks #668 among its holdings.

305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

  • Massachusetts Financial Services held 449,482 shares of Cogent Biosciences worth $17.3M as of Q1 2026.
  • Cogent Biosciences was a new Massachusetts Financial Services position in Q1 2026.
  • Cogent Biosciences made up 0.01% of Massachusetts Financial Services's portfolio in Q1 2026, its #668 holding.
  • 305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.