Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Slate Path Capital LP | 6.1M | $211.6M | +16.0% | 0.689% | 3.14% |
| 2 | MORGAN STANLEY | 5.3M | $184.7M | -13.2% | 0.601% | 0.01% |
| 3 | BlackRock, Inc. | 4.9M | $170.3M | -40.4% | 0.555% | 0.00% |
| 4 | GOLDMAN SACHS GROUP INC | 4.6M | $157.8M | -5.2% | 0.514% | 0.02% |
| 5 | Invesco Ltd. | 4.0M | $137.7M | -23.4% | 0.448% | 0.02% |
| 6 | FIL Ltd | 3.0M | $102.3M | -4.7% | 0.333% | 0.08% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 2.9M | $101.4M | -4.1% | 0.330% | 0.02% |
| 8 | BNP PARIBAS ARBITRAGE, SA | 2.5M | $95.6M | +44.1% | 0.276% | 0.05% |
| 9 | TWO SIGMA INVESTMENTS, LP | 2.7M | $94.8M | -23.9% | 0.309% | 0.08% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.6M | $90.0M | -5.3% | 0.293% | 0.01% |
| 11 | UBS Group AG | 2.3M | $80.8M | +43.6% | 0.263% | 0.01% |
| 12 | Analog Century Management LP | 2.3M | $80.6M | β | 0.263% | 3.85% |
| 13 | Hill City Capital, LP | 2.3M | $79.5M | β | 0.259% | 2.84% |
| 14 | MARSHALL WACE, LLP | 2.3M | $77.8M | +36.7% | 0.253% | 0.08% |
| 15 | BALYASNY ASSET MANAGEMENT LLC | 2.1M | $71.8M | β | 0.234% | 0.25% |
| 16 | BARCLAYS PLC | 2.0M | $67.6M | +31.3% | 0.220% | 0.03% |
| 17 | CITIGROUP INC | 1.6M | $56.7M | +65.6% | 0.184% | 0.02% |
| 18 | Defiance ETFs, LLC | 1.6M | $55.2M | +5.3% | 0.180% | 0.79% |
| 19 | Rafferty Asset Management, LLC | 1.4M | $48.5M | -23.4% | 0.158% | 0.20% |
| 20 | BRANDES INVESTMENT PARTNERS, LP | 1.1M | $38.0M | -29.9% | 0.124% | 0.27% |
| 21 | Grantham, Mayo, Van Otterloo & Co. LLC | 962K | $33.2M | -5.7% | 0.108% | 0.09% |
| 22 | Alyeska Investment Group, L.P. | 956K | $33.0M | β | 0.108% | 0.09% |
| 23 | BANK OF AMERICA CORP /DE/ | 919K | $31.7M | -34.3% | 0.103% | 0.00% |
| 24 | NOMURA HOLDINGS INC | 850K | $29.4M | β | 0.096% | 0.10% |
| 25 | Nishkama Capital, LLC | 839K | $29.0M | β | 0.094% | 3.51% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in STM β a direct measure of their conviction.
Filings activity in STM during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 381 | +21% | 4.11% | +1.14 pp | $2.82B | +38% |
| Q4 2025 | 314 | +0.3% | 2.97% | +0.01 pp | $2.04B | +0.6% |
| Q3 2025 | 313 | 8.5% | 2.96% | 0.31 pp | $2.03B | 9.5% |
| Q2 2025 | 342 | +21% | 3.27% | +0.72 pp | $2.24B | +28% |
| Q1 2025 | 283 | 7.8% | 2.55% | +0.12 pp | $1.75B | +5.1% |
| Q4 2024 | 307 | 3.5% | 2.43% | 0.33 pp | $1.67B | 12% |
| Q3 2024 | 318 | 6.2% | 2.76% | 0.44 pp | $1.90B | 14% |
| Q2 2024 | 339 | β | 3.20% | β | $2.20B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying STM stock.
Based on Q1 2026 13F filings, institutional ownership of STMicroelectronics N.V. stands at 4.1%, held across 381 reporting institutions.
Slate Path Capital LP is the largest reported institutional holder of STM, with approximately 6,125,400 shares worth $0.21B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of STM, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for STM is 76 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
110 institutions opened new positions in STM during Q1 2026, while 43 fully exited. 236 added to existing positions and 32 trimmed.
STM institutional ownership rose by 1.14 percentage points quarter-over-quarter, with a net change of +67 holders.
The top 10 institutions account for 47.7% of all reported 13F value in STM, and the top 25 account for 76.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
STMicroelectronics N.V. (STM) Institutional Ownership