Tower Semiconductor Ltd
TSEM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000928876
In the last 90 days, Tower Semiconductor Ltd insiders filed 0 open-market purchases and 3 sales; 454 institutions reported holding it in 13F filings for Q2 2026, worth $16.4B in total; superinvestors ARK Invest and Maverick Capital hold it.
13F holders, Q1 2026
Institutional positions in Tower Semiconductor Ltd as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 382
- +78 vs. Q4 2025
- Shares held
- 69.2M
- +682.2K (+1.0%) vs. Q4 2025
- Total value
- $12.1B
- +$4.04B (+50.2%) vs. Q4 2025
- New holders
- 132
- 91 more added
- Sold out
- 54
- 127 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TSEM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 454 | $16.4B |
| Q1 2026 | 382 | $12.1B |
| Q4 2025 | 312 | $8.60B |
| Q3 2025 | 249 | $5.20B |
| Q2 2025 | 216 | $3.11B |
| Q1 2025 | 218 | $2.57B |
| Q4 2024 | 241 | $3.61B |
| Q3 2024 | 215 | $3.09B |
| Q2 2024 | 191 | $2.59B |
| Q1 2024 | 189 | $2.15B |
| Q4 2023 | 184 | $1.99B |
| Q3 2023 | 199 | $1.64B |
| Q2 2023 | 219 | $2.50B |
| Q1 2023 | 213 | $2.81B |
| Q4 2022 | 223 | $2.83B |
| Q3 2022 | 204 | $2.80B |
| Q2 2022 | 205 | $3.02B |
| Q1 2022 | 183 | $3.18B |
| Q4 2021 | 156 | $2.40B |
| Q3 2021 | 141 | $1.78B |
| Q2 2021 | 134 | $1.80B |
| Q1 2021 | 157 | $1.71B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Tower Semiconductor Ltd; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clear Street Markets LLC | 0 | $0 | 0.00% | −20,428−100.0% | Sold out |
| Massar Capital Management, LP | 0 | $0 | 0.00% | −13,334−100.0% | Sold out |
| Boston Partners | 0 | $0 | 0.00% | −12,835−100.0% | Sold out |
| Oak Associates, Ltd | 0 | $0 | 0.00% | −12,635−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −11,192−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −10,907−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −10,098−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −8,920−100.0% | Sold out |
| Dockside LLC | 0 | $0 | 0.00% | −8,357−100.0% | Sold out |
| Central Pacific Bank - Trust Division | 0 | $0 | 0.00% | −8,006−100.0% | Sold out |
| K2 Principal Fund, L.P. | 0 | $0 | 0.00% | −7,411−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,183−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −5,632−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −5,268−100.0% | Sold out |
| Fosun International Ltd | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −4,447−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −3,806−100.0% | Sold out |
| CSM Advisors, LLC | 0 | $0 | 0.00% | −3,199−100.0% | Sold out |
| Thompson Davis & Co., Inc. | 0 | $0 | 0.00% | −2,900−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −2,850−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −2,706−100.0% | Sold out |
| AlphaCore Capital LLC | 0 | $0 | 0.00% | −2,731−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −2,254−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −2,206−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −2,078−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −1,985−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −1,980−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −1,912−100.0% | Sold out |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −1,066−100.0% | Sold out |
| TCTC Holdings, LLC | 0 | $0 | 0.00% | −706−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −444−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −137−100.0% | Sold out |
| Commonwealth Retirement Investments LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Rialto Wealth Management, LLC | 0 | $0 | 0.00% | −78−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Greenline Wealth Management LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| UBS Oconnor LLC | – | – | – | – | Not filed |
| Canandaigua National Bank & Trust Co | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Stephens Consulting, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |