STMicroelectronics
STM
347 hedge funds and large institutions have $2.68B invested in STMicroelectronics in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 96 increasing their positions, 93 reducing their positions, and 44 closing their positions.
134% more first-time investments, than exits
New positions opened: 103 | Existing positions closed: 44
26% more capital invested
Capital invested by funds: $2.12B → $2.68B (+$556M)
18% more funds holding
Funds holding: 293 → 347 (+54)
3% more repeat investments, than reductions
Existing positions increased: 96 | Existing positions reduced: 93
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
9% less call options, than puts
Call options by funds: $146M | Put options by funds: $160M
1.04% less ownership
Funds ownership: 10.69% → 9.65% (-1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$78M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$47.8M |
| 3 |
Fidelity International
Hamilton,
Bermuda
|
+$45.5M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$32.9M |
| 5 |
Rafferty Asset Management
New York
|
+$25.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Acadian Asset Management
Boston,
Massachusetts
|
-$92M |
| 2 |
Voloridge Investment Management
Jupiter,
Florida
|
-$81.4M |
| 3 |
Two Sigma Investments
New York
|
-$73M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$66.9M |
| 5 |
Two Sigma Advisers
New York
|
-$55M |
STM Hedge Fund Activity: Q2 2025 in Review
347 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in STMicroelectronics (STM) for Q2 2025, worth a combined $2.68B — up 26% from $2.12B a quarter earlier.
Buyers outnumbered sellers: 103 funds opened new STM positions and 44 closed out — a net gain of 59 holders — while 96 added to existing stakes and 93 trimmed.
The largest buyer was BlackRock, adding an estimated $78M. The largest seller was Acadian Asset Management, cutting an estimated $92M.
- 347 institutional investors held STMicroelectronics (STM) as of Q2 2025, up from 293 in Q1 2025.
- Funds reported $2.68B of STMicroelectronics stock for Q2 2025, up 26% quarter-over-quarter.
- 103 funds opened new STMicroelectronics positions in Q2 2025 and 44 closed out, a net change of +59 holders.
- The largest STMicroelectronics buyer in Q2 2025 was BlackRock, an estimated $78M added.
- The largest STMicroelectronics seller in Q2 2025 was Acadian Asset Management, an estimated $92M sold.
Based on aggregated 13F filings for Q2 2025.