STMicroelectronics
STM
603 hedge funds and large institutions have $12.7B invested in STMicroelectronics in 2026 Q2 according to their latest regulatory filings, with 262 funds opening new positions, 169 increasing their positions, 109 reducing their positions, and 45 closing their positions.
482% more first-time investments, than exits
New positions opened: 262 | Existing positions closed: 45
242% more capital invested
Capital invested by funds: $3.72B → $12.7B (+$8.99B)
217% more funds holding in top 10
Funds holding in top 10: 6 → 19 (+13)
55% more repeat investments, than reductions
Existing positions increased: 169 | Existing positions reduced: 109
53% more funds holding
Funds holding: 394 → 603 (+209)
33% more call options, than puts
Call options by funds: $987M | Put options by funds: $744M
6.81% more ownership
Funds ownership: 11.83% → 18.64% (+6.8%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SA
Situational Awareness
San Francisco,
California
|
+$469M |
| 2 |
WAM
WT Asset Management
Hong Kong
|
+$346M |
| 3 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$209M |
| 4 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$168M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$164M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$184M |
| 2 |
Millennium Management
New York
|
-$152M |
| 3 |
ACM
Analog Century Management
New York
|
-$78.4M |
| 4 |
BIP
Brandes Investment Partners
La Jolla,
California
|
-$64.5M |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$61.1M |
STM Hedge Fund Activity: Q2 2026 in Review
603 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in STMicroelectronics (STM) for Q2 2026, worth a combined $12.7B — up 242% from $3.72B a quarter earlier.
Buyers outnumbered sellers: 262 funds opened new STM positions and 45 closed out — a net gain of 217 holders — while 169 added to existing stakes and 109 trimmed.
The largest buyer was Situational Awareness, opening a new position worth an estimated $469M. The largest seller was Citadel Advisors, cutting an estimated $184M.
- 603 institutional investors held STMicroelectronics (STM) as of Q2 2026, up from 394 in Q1 2026.
- Funds reported $12.7B of STMicroelectronics stock for Q2 2026, up 242% quarter-over-quarter.
- 262 funds opened new STMicroelectronics positions in Q2 2026 and 45 closed out, a net change of +217 holders.
- The largest STMicroelectronics buyer in Q2 2026 was Situational Awareness, an estimated $469M added.
- The largest STMicroelectronics seller in Q2 2026 was Citadel Advisors, an estimated $184M sold.
Based on aggregated 13F filings for Q2 2026.