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Siren LLC’s Tango Therapeutics TNGX Stock Holding History

Siren LLC’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
Q2 		$193M Buy
6,179,364
+522,259
+9% +$12.9M 3.91% 5
2026
Q1 		$118M Sell
5,657,105
-2,508,269
-31% -$34.9M 3.28% 6
2025
Q4 		$72.3M Buy
8,165,374
+2,282,186
+39% +$19.7M 2.16% 12
2025
Q3 		$49.4M Buy
5,883,188
+2,518,374
+75% +$17M 1.93% 16
2025
Q2 		$17.2M Buy
3,364,814
+799,472
+31% +$1.98M 0.89% 30
2025
Q1 		$3.51M Sell
2,565,342
-38,555
-1% -$94.7K 0.2% 71
2024
Q4 		$8.05M Hold
2,603,897
– – 0.36% 55
2024
Q3 		$20.1M Buy
+2,603,897
New +$24.8M 1% 32

Other funds holding TNGX

RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $1.33B AUM 864.5% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Siren LLC's TNGX Position: Q2 2026 in Review

Siren LLC increased its Tango Therapeutics (TNGX) stake by 9.2% in Q2 2026, buying an estimated $12.9M and bringing the position to 6,179,364 shares worth $193M. The position accounts for 3.91% of the portfolio, ranked #5.

Siren LLC first reported a position in TNGX in Q3 2024 and has held it in 8 quarters since. 247 funds tracked by Wall St. Rank hold TNGX as of Q2 2026.

  • Siren LLC held 6,179,364 shares of Tango Therapeutics worth $193M as of Q2 2026.
  • Siren LLC bought 522,259 Tango Therapeutics shares in Q2 2026, an estimated $12.9M.
  • Tango Therapeutics made up 3.91% of Siren LLC's portfolio in Q2 2026, its #5 holding.
  • Siren LLC first reported a position in Tango Therapeutics in Q3 2024 and has held it in 8 quarters since.
  • 247 funds tracked by Wall St. Rank held Tango Therapeutics as of Q2 2026.

Based on Siren LLC's 13F filing for Q2 2026, filed 13 Aug 2026.