Spectral AI
MDAI
28 hedge funds and large institutions have $6.7M invested in Spectral AI in 2025 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 7 increasing their positions, 2 reducing their positions, and 4 closing their positions.
250% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 2
75% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 4
12% more funds holding
Funds holding: 25 → 28 (+3)
4.35% more ownership
Funds ownership: 11.03% → 15.38% (+4.3%)
0% less capital invested
Capital invested by funds: $6.72M → $6.7M (-$19.2K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
+$2.83M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$425K |
| 3 |
DnB Asset Management
Oslo,
Norway
|
+$117K |
| 4 |
Jane Street
New York
|
+$97.6K |
| 5 |
VF
Virtu Financial
New York
|
+$97.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$332K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$154K |
| 3 |
Raymond James Financial
St Petersburg,
Florida
|
-$29.2K |
| 4 |
QC
Quadrature Capital
London,
United Kingdom
|
-$27.3K |
| 5 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$1.03K |
MDAI Hedge Fund Activity: Q4 2025 in Review
28 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Spectral AI (MDAI) for Q4 2025, worth a combined $6.7M — down 0.29% from $6.72M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new MDAI positions and 4 closed out — a net gain of 3 holders — while 7 added to existing stakes and 2 trimmed.
The largest buyer was Hudson Bay Capital Management, opening a new position worth an estimated $2.83M. The largest seller was Marshall Wace, exiting entirely with an estimated $332K sold.
- 28 institutional investors held Spectral AI (MDAI) as of Q4 2025, up from 25 in Q3 2025.
- Funds reported $6.7M of Spectral AI stock for Q4 2025, down 0.29% quarter-over-quarter.
- 7 funds opened new Spectral AI positions in Q4 2025 and 4 closed out, a net change of +3 holders.
- The largest Spectral AI buyer in Q4 2025 was Hudson Bay Capital Management, an estimated $2.83M added.
- The largest Spectral AI seller in Q4 2025 was Marshall Wace, an estimated $332K sold.
Based on aggregated 13F filings for Q4 2025.