JO
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John Overdeck’s Transmedics TMDX Stock Holding History

John Overdeck’s Portfolio TMDX Stock Details TMDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$594K Sell
8,945
-316,195
-97% -$26.8M ﹤0.01% 4026
2026
Q1 		$32.3M Sell
325,140
-110,829
-25% -$14.5M 0.03% 688
2025
Q4 		$53M Sell
435,969
-199,425
-31% -$25M 0.07% 331
2025
Q3 		$71.3M Buy
635,394
+223,409
+54% +$26.2M 0.11% 248
2025
Q2 		$55.2M Buy
411,985
+389,280
+1,715% +$42.7M 0.1% 266
2025
Q1 		$1.53M Buy
22,705
+10,182
+81% +$700K ﹤0.01% 1913
2024
Q4 		$781K Buy
+12,523
New +$1.17M ﹤0.01% 2324
2023
Q4 		– Sell
-14,100
Closed -$772K – 3385
2023
Q3 		$772K Hold
14,100
– – ﹤0.01% 2072
2023
Q2 		$1.18M Buy
14,100
+1,562
+12% +$120K ﹤0.01% 1847
2023
Q1 		$950K Sell
12,538
-35,910
-74% -$2.48M ﹤0.01% 1894
2022
Q4 		$2.99M Sell
48,448
-34,238
-41% -$1.82M 0.01% 1111
2022
Q3 		$3.45M Buy
+82,686
New +$3.6M 0.01% 904
2022
Q1 		– Sell
-53,900
Closed -$1.03M – 4262
2021
Q4 		$1.03M Buy
53,900
+12,400
+30% +$311K ﹤0.01% 2542
2021
Q3 		$1.37M Sell
41,500
-58,200
-58% -$1.78M ﹤0.01% 2321
2021
Q2 		$3.31M Buy
99,700
+62,000
+164% +$1.72M 0.01% 1477
2021
Q1 		$1.56M Buy
+37,700
New +$1.16M ﹤0.01% 1900

Other funds holding TMDX

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return

John Overdeck's TMDX Position: Q2 2026 in Review

John Overdeck reduced its Transmedics (TMDX) stake by 97% in Q2 2026, selling an estimated $26.8M and leaving 8,945 shares worth $594K. The position accounts for ﹤0.01% of the portfolio, ranked #4026.

John Overdeck first reported a position in TMDX in Q1 2021 and has held it in 16 quarters since. The position peaked at $71.3M in Q3 2025. 371 funds tracked by Wall St. Rank hold TMDX as of Q2 2026.

  • John Overdeck held 8,945 shares of Transmedics worth $594K as of Q2 2026.
  • John Overdeck sold 316,195 Transmedics shares in Q2 2026, an estimated $26.8M.
  • Transmedics made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4026 holding.
  • John Overdeck first reported a position in Transmedics in Q1 2021 and has held it in 16 quarters since.
  • John Overdeck's Transmedics position peaked at $71.3M in Q3 2025.
  • 371 funds tracked by Wall St. Rank held Transmedics as of Q2 2026.

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