Transmedics
TMDX
388 hedge funds and large institutions have $4.17B invested in Transmedics in 2025 Q3 according to their latest regulatory filings, with 75 funds opening new positions, 152 increasing their positions, 120 reducing their positions, and 51 closing their positions.
47% more first-time investments, than exits
New positions opened: 75 | Existing positions closed: 51
27% more repeat investments, than reductions
Existing positions increased: 152 | Existing positions reduced: 120
12% more call options, than puts
Call options by funds: $134M | Put options by funds: $120M
5% more funds holding
Funds holding: 368 → 388 (+20)
0.2% more ownership
Funds ownership: 108.72% → 108.93% (+0.2%)
15% less capital invested
Capital invested by funds: $4.93B → $4.17B (-$759M)
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$45.2M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$44.5M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$30.5M |
| 4 |
Two Sigma Investments
New York
|
+$26.2M |
| 5 |
Two Sigma Advisers
New York
|
+$17.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity International
Hamilton,
Bermuda
|
-$141M |
| 2 |
LIP
Liontrust Investment Partners
London,
United Kingdom
|
-$70.2M |
| 3 |
Morgan Stanley
New York
|
-$21.7M |
| 4 |
ECM
ExodusPoint Capital Management
New York
|
-$18.7M |
| 5 |
BCM
Brown Capital Management
Baltimore,
Maryland
|
-$16.1M |
TMDX Hedge Fund Activity: Q3 2025 in Review
388 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Transmedics (TMDX) for Q3 2025, worth a combined $4.17B — down 15% from $4.93B a quarter earlier.
Buyers outnumbered sellers: 75 funds opened new TMDX positions and 51 closed out — a net gain of 24 holders — while 152 added to existing stakes and 120 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $45.2M. The largest seller was Fidelity International, exiting entirely with an estimated $141M sold.
- 388 institutional investors held Transmedics (TMDX) as of Q3 2025, up from 368 in Q2 2025.
- Funds reported $4.17B of Transmedics stock for Q3 2025, down 15% quarter-over-quarter.
- 75 funds opened new Transmedics positions in Q3 2025 and 51 closed out, a net change of +24 holders.
- The largest Transmedics buyer in Q3 2025 was Goldman Sachs, an estimated $45.2M added.
- The largest Transmedics seller in Q3 2025 was Fidelity International, an estimated $141M sold.
Based on aggregated 13F filings for Q3 2025.