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Rock Springs Capital Management’s Tango Therapeutics TNGX Stock Holding History

Rock Springs Capital Management’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 		$14.3M Buy
456,551
+69,636
+18% +$1.72M 0.7% 46
2026
Q1 		$8.09M Hold
386,915
– – 0.48% 53
2025
Q4 		$3.43M Buy
+386,915
New +$3.33M 0.18% 85

Other funds holding TNGX

RTW Investments
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
Farallon Capital Management
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
TCG Crossover Management
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Paradigm Biocapital Advisors
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
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Rock Springs Capital Management's TNGX Position: Q2 2026 in Review

Rock Springs Capital Management increased its Tango Therapeutics (TNGX) stake by 18% in Q2 2026, buying an estimated $1.72M and bringing the position to 456,551 shares worth $14.3M. The position accounts for 0.7% of the portfolio, ranked #46.

Rock Springs Capital Management first reported a position in TNGX in Q4 2025 and has held it in 3 quarters since. 248 funds tracked by Wall St. Rank hold TNGX as of Q2 2026.

  • Rock Springs Capital Management held 456,551 shares of Tango Therapeutics worth $14.3M as of Q2 2026.
  • Rock Springs Capital Management bought 69,636 Tango Therapeutics shares in Q2 2026, an estimated $1.72M.
  • Tango Therapeutics made up 0.7% of Rock Springs Capital Management's portfolio in Q2 2026, its #46 holding.
  • Rock Springs Capital Management first reported a position in Tango Therapeutics in Q4 2025 and has held it in 3 quarters since.
  • 248 funds tracked by Wall St. Rank held Tango Therapeutics as of Q2 2026.

Based on Rock Springs Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.