STMicroelectronics
396 hedge funds and large institutions have $3.72B invested in STMicroelectronics in 2026 Q1 according to their latest regulatory filings, with 115 funds opening new positions, 134 increasing their positions, 77 reducing their positions, and 35 closing their positions.
229% more first-time investments, than exits
New positions opened: 115 | Existing positions closed: 35
200% more funds holding in top 10
Funds holding in top 10: 2 → 6 (+4)
74% more repeat investments, than reductions
Existing positions increased: 134 | Existing positions reduced: 77
59% more capital invested
Capital invested by funds: $2.34B → $3.72B (+$1.38B)
23% more call options, than puts
Call options by funds: $298M | Put options by funds: $241M
23% more funds holding
Funds holding: 323 → 396 (+73)
1.94% more ownership
Funds ownership: 9.9% → 11.84% (+1.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$169M |
| 2 |
Millennium Management
New York
|
+$117M |
| 3 |
ACM
Analog Century Management
New York
|
+$73M |
| 4 |
HCC
Hill City Capital
Boston,
Massachusetts
|
+$72M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$65M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$105M |
| 2 |
JP Morgan Chase
New York
|
-$57.5M |
| 3 |
WP
Woodline Partners
San Francisco,
California
|
-$39.1M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$38M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$36.2M |
STM Hedge Fund Activity: Q1 2026 in Review
396 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in STMicroelectronics (STM) for Q1 2026, worth a combined $3.72B — up 59% from $2.34B a quarter earlier.
Buyers outnumbered sellers: 115 funds opened new STM positions and 35 closed out — a net gain of 80 holders — while 134 added to existing stakes and 77 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $169M. The largest seller was BlackRock, cutting an estimated $105M.
- 396 institutional investors held STMicroelectronics (STM) as of Q1 2026, up from 323 in Q4 2025.
- Funds reported $3.72B of STMicroelectronics stock for Q1 2026, up 59% quarter-over-quarter.
- 115 funds opened new STMicroelectronics positions in Q1 2026 and 35 closed out, a net change of +80 holders.
- The largest STMicroelectronics buyer in Q1 2026 was Citadel Advisors, an estimated $169M added.
- The largest STMicroelectronics seller in Q1 2026 was BlackRock, an estimated $105M sold.
Based on aggregated 13F filings for Q1 2026.