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Siren LLC’s Tenax Therapeutics TENX Stock Holding History

Siren LLC’s Portfolio TENX Stock Details TENX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.21M Hold
427,141
– – 0.13% 84
2026
Q1 		$6.83M Hold
427,141
– – 0.19% 69
2025
Q4 		$5.21M Buy
427,141
+74,700
+21% +$650K 0.16% 78
2025
Q3 		$2.68M Buy
+352,441
New +$2.15M 0.1% 84

Other funds holding TENX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return
CS
Candriam SCA Strassen, Luxembourg, Luxembourg $22.2B AUM 58.34% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Siren LLC's TENX Position: Q2 2026 in Review

Siren LLC held its Tenax Therapeutics (TENX) position steady in Q2 2026 at 427,141 shares worth $6.21M. The position accounts for 0.13% of the portfolio, ranked #84.

Siren LLC first reported a position in TENX in Q3 2025 and has held it in 4 quarters since. The position peaked at $6.83M in Q1 2026. 111 funds tracked by Wall St. Rank hold TENX as of Q2 2026.

  • Siren LLC held 427,141 shares of Tenax Therapeutics worth $6.21M as of Q2 2026.
  • Siren LLC left its Tenax Therapeutics share count unchanged in Q2 2026.
  • Tenax Therapeutics made up 0.13% of Siren LLC's portfolio in Q2 2026, its #84 holding.
  • Siren LLC first reported a position in Tenax Therapeutics in Q3 2025 and has held it in 4 quarters since.
  • Siren LLC's Tenax Therapeutics position peaked at $6.83M in Q1 2026.
  • 111 funds tracked by Wall St. Rank held Tenax Therapeutics as of Q2 2026.

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