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Of the 12 tracked institutions holding TMDX, 5 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +4.0pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, TMDX (TRANSMEDICS GROUP INC) is held with a combined value of $1.41B across 17,975,490 shares. The largest holder is VANGUARD GROUP INC with a position worth $438.58M. Point72 Asset Management, L.P. opened a new position in the most recent quarter. 6 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$1.41B
Total Shares Held
17,975,490
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $438.58M | 0.01% | -0.0% |
| 2 | BlackRock, Inc. | $371.72M | 0.01% | +5.7% |
| 3 | FMR LLC | $340.96M | 0.01% | +0.7% |
| 4 | STATE STREET CORP | $94.34M | 0.00% | +7.7% |
| 5 | TWO SIGMA ADVISERS, LP | $44.07M | 0.09% | -14.4% |
| 6 | CITADEL ADVISORS LLC | $37.12M | 0.02% | +807.2% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $34.27M | 0.01% | +6.1% |
| 8 | BAILLIE GIFFORD & CO | $17.80M | 0.02% | -12.2% |
| 9 | MILLENNIUM MANAGEMENT LLC | $16.49M | 0.01% | -20.4% |
| 10 | Point72 Asset Management, L.P. | $12.79M | 0.02% | New |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of TMDX with a position worth $438.58M, representing 0.01% of their portfolio. In total, 12 institutional investors hold TMDX with a combined value of $1.41B.
In the most recent quarter, 1 fund opened a new position in TMDX. Additionally, 6 increased their holdings and 5 reduced their positions.
Institutional investors hold $1.41B worth of TMDX stock across 12 positions. The largest institutional holder is VANGUARD GROUP INC with $438.58M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For TMDX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their TMDX positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$72.40
2026-10-21
YTD
-41.0%
12% of 52-week range
