Tower Semiconductor Ltd. (TSEM) Ownership
TSEM ownership summary
as of October 18, 2026- Institutions
- 65.6% of shares outstanding
- Insiders
- 0.40% of shares outstanding
- Shares outstanding
- 113.0M
- Float
- 112.6M shares available to trade
- Short interest
- 4.11% 4.6M shares short
- Days to cover
- 2.43 short interest up 68.8% vs prior month
- Institutions 65.58%
- Insiders 0.40%
- Other investors 34.02%
TSEM top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Associates, Inc. | 6.21% | 7.0M | $1.37B | +7.0M (0.0%) | June 30, 2026 |
| 2 | Clal Insurance Enterprises Holdings Ltd | 4.12% | 4.7M | $911.2M | +686,240 (+17.3%) | June 30, 2026 |
| 3 | Phoenix Financial Ltd | 3.10% | 3.5M | $685.7M | +115,091 (+3.4%) | June 30, 2026 |
| 4 | BlackRock Inc | 2.91% | 3.3M | $643.5M | −979,231 (−22.9%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 2.78% | 3.1M | $615.6M | +63,540 (+2.1%) | June 30, 2026 |
| 6 | Jane Street Group LLC | 2.59% | 2.9M | $572.8M | +2.9M (0.0%) | June 30, 2026 |
| 7 | Harel Insurance Invests & Fin Srvcs Ltd | 2.02% | 2.3M | $445.8M | +289,450 (+14.5%) | June 30, 2026 |
| 8 | RIMA MANAGEMENT, LLC | 1.61% | 1.8M | $356.6M | −448,997 (−19.8%) | June 30, 2026 |
| 9 | Migdal Insurance & Financial Holdings Ltd | 1.53% | 1.7M | $338.5M | −284,783 (−14.1%) | June 30, 2026 |
| 10 | Jupiter Topco LLC | 1.30% | 1.5M | $286.5M | +1.5M (0.0%) | June 30, 2026 |
| 11 | Capital World Investors | 1.20% | 1.4M | $265.1M | +28,664 (+2.2%) | June 30, 2026 |
| 12 | Amvescap Plc. | 1.18% | 1.3M | $261.5M | −844,321 (−38.7%) | June 30, 2026 |
| 13 | HHG PLC | 0.96% | 1.1M | $211.5M | +6,458 (+0.6%) | March 31, 2026 |
| 14 | Polar Capital Holdings PLC | 0.90% | 1.0M | $198.5M | +869,653 (+597.6%) | June 30, 2026 |
| 15 | Vanguard Fiduciary Trust Co | 0.89% | 1.0M | $195.7M | +18,225 (+1.9%) | June 30, 2026 |
| 16 | Y.D. More Investments Ltd | 0.84% | 950K | $185.7M | +18,859 (+2.0%) | June 30, 2026 |
| 17 | Arrowstreet Capital Limited Partnership | 0.82% | 928K | $181.5M | +928,208 (0.0%) | June 30, 2026 |
| 18 | FMR Inc | 0.81% | 920K | $180.0M | +920,247 (0.0%) | June 30, 2026 |
| 19 | Millennium Management LLC | 0.75% | 850K | $166.3M | +272,007 (+47.0%) | June 30, 2026 |
| 20 | Marshall Wace Asset Management Ltd | 0.69% | 778K | $152.2M | +354,221 (+83.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 16.0M shares and 4 cut 2.6M.
TSEM top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Semiconductor ETF | 2.20% | 2.5M | $486.1M | −25,024 (−1.0%) | September 30, 2026 |
| 2 | Vanguard Total Intl Stock Index Inv | 1.47% | 1.7M | $325.9M | +584 (+0.0%) | August 31, 2026 |
| 3 | American Funds Growth Fd of Amer A | 1.35% | 1.5M | $298.3M | — | September 30, 2026 |
| 4 | iShares A.I. Innovation and Tech Act ETF | 1.13% | 1.3M | $250.4M | — | September 30, 2026 |
| 5 | Vanguard Developed Markets Index Admiral | 0.98% | 1.1M | $215.8M | −3,841 (−0.3%) | September 30, 2026 |
| 6 | Direxion Daily Semicondct Bull 3X ETF | 0.77% | 865K | $169.2M | −5,222 (−0.6%) | September 30, 2026 |
| 7 | iShares Core MSCI EAFE ETF | 0.75% | 851K | $166.3M | +2,175 (+0.3%) | September 30, 2026 |
| 8 | T. Rowe Price Lrg Cp Gr I | 0.65% | 730K | $142.8M | −4,401 (−0.6%) | September 30, 2026 |
| 9 | Polar Capital Global Tech Inc | 0.60% | 684K | $133.7M | +62,192 (+10.0%) | August 31, 2026 |
| 10 | Janus Henderson Triton D | 0.39% | 440K | $86.1M | — | August 31, 2026 |
| 11 | Fidelity International Index | 0.39% | 438K | $85.7M | +3,481 (+0.8%) | August 31, 2026 |
| 12 | iShares MSCI EAFE ETF | 0.35% | 398K | $77.9M | — | September 30, 2026 |
| 13 | BGF Next Generation Technology Z2 | 0.33% | 375K | $73.3M | −10,282 (−2.7%) | September 30, 2026 |
| 14 | Mawer International Equity F | 0.33% | 372K | $72.7M | −3,700 (−1.0%) | August 31, 2026 |
| 15 | Polar Capital Technology Ord | 0.30% | 341K | $66.7M | +40,857 (+13.6%) | August 31, 2026 |
| 16 | Invesco Semiconductors ETF | 0.29% | 330K | $64.6M | — | September 30, 2026 |
| 17 | American Funds IS® Growth 1 | 0.28% | 317K | $62.1M | −36,981 (−10.4%) | September 30, 2026 |
| 18 | Janus Henderson Glb Tech and Innovt T | 0.27% | 308K | $60.2M | +50,046 (+19.4%) | August 31, 2026 |
| 19 | T. Rowe Price Comm & Tech Investor | 0.27% | 301K | $58.8M | — | September 30, 2026 |
| 20 | T. Rowe Price All-Cap Opportunities Fund | 0.26% | 294K | $57.4M | −6,569 (−2.2%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TSEM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TSEM
Institutional investors own 65.6% of Tower Semiconductor's shares and insiders 0.40%. The largest holder is T. Rowe Price Associates, Inc. with 6.21% of the shares (7.0M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 4.11% of the float, or 2.43 days of average trading volume. The share count rose 105.2% since 2014.
Related: TSEM analyst forecast, TSEM key metrics. See the TSEM stock overview for the latest quote and news.
TSEM ownership FAQ
Who owns the most Tower Semiconductor stock?
The largest shareholders of Tower Semiconductor are T. Rowe Price Associates, Inc. (6.21%), Clal Insurance Enterprises Holdings Ltd (4.12%), Phoenix Financial Ltd (3.10%), BlackRock Inc (2.91%), Vanguard Capital Management, LLC (2.78%).
What percentage of Tower Semiconductor is owned by institutions?
Institutions hold 65.6% of Tower Semiconductor's shares outstanding; insiders hold 0.40%.
Which funds own Tower Semiconductor?
The largest fund holders of Tower Semiconductor are iShares Semiconductor ETF (2.20%), Vanguard Total Intl Stock Index Inv (1.47%), American Funds Growth Fd of Amer A (1.35%), iShares A.I. Innovation and Tech Act ETF (1.13%), Vanguard Developed Markets Index Admiral (0.98%).
What is Tower Semiconductor's short interest?
4.6M shares of Tower Semiconductor were sold short, 4.11% of the float; at the average daily volume it would take 2.43 days to cover.
How many shares of Tower Semiconductor are outstanding?
Tower Semiconductor has 113.0M shares outstanding, of which 112.6M are in the public float.