Transmedics
TMDX
391 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, 154 increasing their positions, 121 reducing their positions, and 50 closing their positions.
50% more first-time investments, than exits
New positions opened: 75 | Existing positions closed: 50
27% more repeat investments, than reductions
Existing positions increased: 154 | Existing positions reduced: 121
12% more call options, than puts
Call options by funds: $134M | Put options by funds: $120M
6% more funds holding
Funds holding: 370 → 391 (+21)
3% more capital inflows, than outflows
Capital inflows: $502M | Capital outflows: $487M
0.35% more ownership
Funds ownership: 108.72% → 109.07% (+0.35%)
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 |
Liontrust Investment Partners
London,
United Kingdom
|
-$70.2M |
| 3 |
Morgan Stanley
New York
|
-$21.7M |
| 4 |
ExodusPoint Capital Management
New York
|
-$18.7M |
| 5 |
Brown Capital Management
Baltimore,
Maryland
|
-$16.1M |
TMDX Hedge Fund Activity: Q3 2025 in Review
391 of the 7,661 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 50 closed out — a net gain of 25 holders — while 154 added to existing stakes and 121 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.
- 391 institutional investors held Transmedics (TMDX) as of Q3 2025, up from 370 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 50 closed out, a net change of +25 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.