XT
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XTX Topco’s Transmedics TMDX Stock Holding History

XTX Topco’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 		$466K Buy
7,013
+881
+14% +$74.6K 0.01% 2526
2026
Q1 		$610K Sell
6,132
-7,561
-55% -$986K 0.01% 1844
2025
Q4 		$1.67M Buy
13,693
+6,035
+79% +$757K 0.04% 686
2025
Q3 		$859K Sell
7,658
-8,040
-51% -$941K 0.04% 673
2025
Q2 		$2.1M Sell
15,698
-3,644
-19% -$400K 0.09% 315
2025
Q1 		$1.3M Buy
+19,342
New +$1.33M 0.07% 409

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

XTX Topco's TMDX Position: Q2 2026 in Review

XTX Topco increased its Transmedics (TMDX) stake by 14% in Q2 2026, buying an estimated $74.6K and bringing the position to 7,013 shares worth $466K. The position accounts for 0.01% of the portfolio, ranked #2526.

XTX Topco first reported a position in TMDX in Q1 2025 and has held it in 6 quarters since. The position peaked at $2.1M in Q2 2025. 375 funds tracked by Wall St. Rank hold TMDX as of Q2 2026.

  • XTX Topco held 7,013 shares of Transmedics worth $466K as of Q2 2026.
  • XTX Topco bought 881 Transmedics shares in Q2 2026, an estimated $74.6K.
  • Transmedics made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2526 holding.
  • XTX Topco first reported a position in Transmedics in Q1 2025 and has held it in 6 quarters since.
  • XTX Topco's Transmedics position peaked at $2.1M in Q2 2025.
  • 375 funds tracked by Wall St. Rank held Transmedics as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.