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John Overdeck’s Tenax Therapeutics TENX Stock Holding History

John Overdeck’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 		$5.14M Buy
353,390
+284,802
+415% +$3.64M ﹤0.01% 2119
2026
Q1 		$1.1M Buy
68,588
+35,118
+105% +$475K ﹤0.01% 3194
2025
Q4 		$408K Buy
+33,470
New +$291K ﹤0.01% 3427
2025
Q1 		– Sell
-13,521
Closed -$83.7K – 3481
2024
Q4 		$83.7K Buy
+13,521
New +$65.6K ﹤0.01% 2990
2024
Q1 		– Sell
-1,780
Closed -$39.1K – 3386
2023
Q4 		$39.1K Buy
+1,780
New +$42.7K ﹤0.01% 3015
2021
Q1 		– Sell
-25
Closed -$73K – 4240
2020
Q4 		$73K Sell
25
-55
-69% -$101K ﹤0.01% 3229
2020
Q3 		$196K Sell
80
-17
-18% -$36.3K ﹤0.01% 2829
2020
Q2 		$140K Buy
+97
New +$143K ﹤0.01% 2733

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 40.91% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

John Overdeck's TENX Position: Q2 2026 in Review

John Overdeck increased its Tenax Therapeutics (TENX) stake by 415% in Q2 2026, buying an estimated $3.64M and bringing the position to 353,390 shares worth $5.14M. The position accounts for ﹤0.01% of the portfolio, ranked #2119.

John Overdeck first reported a position in TENX in Q2 2020 and has held it in 8 quarters since. 110 funds tracked by Wall St. Rank hold TENX as of Q2 2026.

  • John Overdeck held 353,390 shares of Tenax Therapeutics worth $5.14M as of Q2 2026.
  • John Overdeck bought 284,802 Tenax Therapeutics shares in Q2 2026, an estimated $3.64M.
  • Tenax Therapeutics made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2119 holding.
  • John Overdeck first reported a position in Tenax Therapeutics in Q2 2020 and has held it in 8 quarters since.
  • 110 funds tracked by Wall St. Rank held Tenax Therapeutics as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.