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
Q3 		$32.2M Sell
1,005,567
-16,616
-2% -$614K 0.01% 560
2026
Q2 		$39.6M Buy
1,022,183
+572,701
+127% +$20M 0.01% 541
2026
Q1 		$17.3M Buy
+449,482
New +$16.6M 0.01% 668

Other funds holding COGT

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return
Candriam SCA
Candriam SCA Strassen, Luxembourg, Luxembourg $22.5B AUM 50.38% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $474B AUM 32.39% 1-Year Est. Return

Massachusetts Financial Services's COGT Position: Q3 2026 in Review

Massachusetts Financial Services reduced its Cogent Biosciences (COGT) stake by 1.6% in Q3 2026, selling an estimated $614K and leaving 1,005,567 shares worth $32.2M. The position accounts for 0.01% of the portfolio, ranked #560.

Massachusetts Financial Services first reported a position in COGT in Q1 2026 and has held it in 3 quarters since. The position peaked at $39.6M in Q2 2026. 202 funds tracked by Wall St. Rank hold COGT as of Q3 2026.

  • Massachusetts Financial Services held 1,005,567 shares of Cogent Biosciences worth $32.2M as of Q3 2026.
  • Massachusetts Financial Services sold 16,616 Cogent Biosciences shares in Q3 2026, an estimated $614K.
  • Cogent Biosciences made up 0.01% of Massachusetts Financial Services's portfolio in Q3 2026, its #560 holding.
  • Massachusetts Financial Services first reported a position in Cogent Biosciences in Q1 2026 and has held it in 3 quarters since.
  • Massachusetts Financial Services's Cogent Biosciences position peaked at $39.6M in Q2 2026.
  • 202 funds tracked by Wall St. Rank held Cogent Biosciences as of Q3 2026.

Based on Massachusetts Financial Services's 13F filing for Q3 2026, filed 12 Nov 2026.