STMicroelectronics N.V. (STM) Institutional Ownership
Q1 2026 13F Data|Updated 2026-06-13
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Institutional ownership increased this quarter (+1.14 pp), with a relatively well-distributed shareholder base.
Institutional Ownership4.1%$2.8B total value · ▲ +1.14 pp vs prior quarter
Can exceed 100% due to securities lending, short interest, and reporting timing differences.
Smart Money Score76 / 100Bullish
Based on ownership concentration, fund quality, buying/selling activity, conviction signals, and institutional trend.
Institutions & Flow381 holders+67 net flow (+110 / -43)
AI Insights & Key Takeaways
- Positive Institutional Flow (+67)
- Two Sigma Investments, Lp and Susquehanna International Group, Llp maintain significant positions
- Top 10 holders control 47.7% of institutional value
- No Insider Signal
Top Institutional Holders of STM
Ranked by reported Q1 2026 13F market value
Top 10 Holders
47.7%
Top 25 Holders
76.5%
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 | — | 0.263% | 3.85% |
| 13 | Hill City Capital, LP | 2.3M | $79.5M | — | 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 | — | 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 | — | 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 | — | 0.096% | 0.10% |
| 25 | Nishkama Capital, LLC | 839K | $29.0M | — | 0.094% | 3.51% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in STM — a direct measure of their conviction.
Quarterly Institutional Activity
Filings activity in STM during Q1 2026, grouped by how each filer changed its position.
New Buyers
110Institutions that opened a new STM position in Q1 2026
- Analog Century Management LP$80.6M
- Hill City Capital, LP$79.5M
- BALYASNY ASSET MANAGEMENT LLC$71.8M
- Alyeska Investment Group, L.P.$33.0M
- NOMURA HOLDINGS INC$29.4M
- Nishkama Capital, LLC$29.0M
- Talos Eurisko Asset Management LP$20.5M
- MANUFACTURERS LIFE INSURANCE COMPANY, THE$19.1M
- Point72 Asset Management, L.P.$16.1M
- Jain Global LLC$15.1M
- BEACONLIGHT CAPITAL, LLC$13.3M
- MMCAP International Inc. SPC$10.7M
Exited Positions
43Institutions that fully closed their STM position in Q1 2026
- JPMORGAN CHASE & CO$87.4M
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$36.2M
- TWO SIGMA ADVISERS, LP$14.6M
- TORONTO DOMINION BANK$5.3M
- Jump Financial, LLC$1.9M
- Quantbot Technologies LP$1.5M
- Forum Financial Management, LP$617K
- Caption Management, LLC$604K
- EARNEST PARTNERS LLC$448K
- XTX Topco Ltd$442K
- Toroso Investments, LLC$375K
- GROUP ONE TRADING, L.P.$333K
STM Institutional Ownership by Quarter
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ 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 | — | 3.20% | — | $2.20B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
STM — Frequently Asked Questions
Quick answers to the most common questions about buying STM stock.
What percentage of STM is owned by institutions?
Based on Q1 2026 13F filings, institutional ownership of STMicroelectronics N.V. stands at 4.1%, held across 381 reporting institutions.
Who is the largest institutional holder of STM?
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.
Is STM a hedge fund favorite?
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of STM, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
What is STM's Smart Money Score?
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.
How many institutions bought STM this quarter?
110 institutions opened new positions in STM during Q1 2026, while 43 fully exited. 236 added to existing positions and 32 trimmed.
How is institutional ownership of STM changing?
STM institutional ownership rose by 1.14 percentage points quarter-over-quarter, with a net change of +67 holders.
How concentrated is STM ownership among the top holders?
The top 10 institutions account for 47.7% of all reported 13F value in STM, and the top 25 account for 76.5%.
Where does this STM institutional ownership data come from?
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.