Massachusetts Financial Services
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Massachusetts Financial Services’s Tango Therapeutics TNGX Stock Holding History

Massachusetts Financial Services’s Portfolio TNGX Stock Details TNGX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$571K Sell
27,298
-725
-3% -$10.1K ﹤0.01% 887
2025
Q4 		$248K Buy
+28,023
New +$241K ﹤0.01% 907
2024
Q1 		– Sell
-23,980
Closed -$237K – 883
2023
Q4 		$237K Buy
+23,980
New +$208K ﹤0.01% 828

Other funds holding TNGX

RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $762M AUM 1,125.36% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return
NI
Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return
TGI
TRV GP IV Boston, Massachusetts $267M AUM 965.83% 1-Year Est. Return

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

Massachusetts Financial Services reduced its Tango Therapeutics (TNGX) stake by 2.6% in Q1 2026, selling an estimated $10.1K and leaving 27,298 shares worth $571K. The position accounts for ﹤0.01% of the portfolio, ranked #887.

Massachusetts Financial Services first reported a position in TNGX in Q4 2023 and has held it in 3 quarters since. 194 funds tracked by Wall St. Rank hold TNGX as of Q1 2026.

  • Massachusetts Financial Services held 27,298 shares of Tango Therapeutics worth $571K as of Q1 2026.
  • Massachusetts Financial Services sold 725 Tango Therapeutics shares in Q1 2026, an estimated $10.1K.
  • Tango Therapeutics made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q1 2026, its #887 holding.
  • Massachusetts Financial Services first reported a position in Tango Therapeutics in Q4 2023 and has held it in 3 quarters since.
  • 194 funds tracked by Wall St. Rank held Tango Therapeutics as of Q1 2026.

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