Transmedics
TMDX
428 hedge funds and large institutions have $4.53B invested in Transmedics in 2025 Q4 according to their latest regulatory filings, with 89 funds opening new positions, 156 increasing their positions, 127 reducing their positions, and 45 closing their positions.
98% more first-time investments, than exits
New positions opened: 89 | Existing positions closed: 45
68% more call options, than puts
Call options by funds: $98.1M | Put options by funds: $58.2M
23% more repeat investments, than reductions
Existing positions increased: 156 | Existing positions reduced: 127
10% more funds holding
Funds holding: 388 → 428 (+40)
9% more capital invested
Capital invested by funds: $4.17B → $4.53B (+$359M)
0.1% less ownership
Funds ownership: 108.93% → 108.83% (-0.1%)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$37.5M |
| 2 |
Goldman Sachs
New York
|
+$32.9M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$27.3M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$21.6M |
| 5 |
Morgan Stanley
New York
|
+$15.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$102M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$44.1M |
| 3 |
Two Sigma Investments
New York
|
-$25M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$24.7M |
| 5 |
BCM
Brown Capital Management
Baltimore,
Maryland
|
-$21.1M |
TMDX Hedge Fund Activity: Q4 2025 in Review
428 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Transmedics (TMDX) for Q4 2025, worth a combined $4.53B — up 8.6% from $4.17B a quarter earlier.
Buyers outnumbered sellers: 89 funds opened new TMDX positions and 45 closed out — a net gain of 44 holders — while 156 added to existing stakes and 127 trimmed.
The largest buyer was Invesco, adding an estimated $37.5M. The largest seller was Macquarie Group, exiting entirely with an estimated $102M sold.
- 428 institutional investors held Transmedics (TMDX) as of Q4 2025, up from 388 in Q3 2025.
- Funds reported $4.53B of Transmedics stock for Q4 2025, up 8.6% quarter-over-quarter.
- 89 funds opened new Transmedics positions in Q4 2025 and 45 closed out, a net change of +44 holders.
- The largest Transmedics buyer in Q4 2025 was Invesco, an estimated $37.5M added.
- The largest Transmedics seller in Q4 2025 was Macquarie Group, an estimated $102M sold.
Based on aggregated 13F filings for Q4 2025.