TSEM at a glance
Tower Semiconductor Ltd (TSEM, SEC CIK 928876) filed Form 4 insider filings as recently as September 14, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 33 institutional investment managers tracked by SignalX reported holding Tower Semiconductor Ltd (TSEM) shares worth $5.5 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Chelouche Yoav on September 10, 2026 of 232 shares at $215.06 per share.
- In the last 90 days, TSEM insiders reported 0 open-market purchases ($0) and 38 open-market sales ($60.0M) on Form 4, a net sale of $60.0M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 0 buys · 38 sells
- Net −$60.0M
- 13F holders
- 33 funds
- $5.5B · +0 vs prior quarter
SignalX for TSEM
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Chelouche Yoav | Sell | Sep 10, 2026 | 232 | $215.06 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 2,098 | $252.74 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 3,060 | $243.32 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 23,028 | $248.08 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 15,816 | $249.66 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 3,331 | $250.90 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 11,624 | $245.78 |
| Ellwanger Russell Craig | Sell | Aug 11, 2026 | 2,507 | $244.69 |
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate TSEM share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 33 | $5.45B |
| Q1 2026 | 33 | $3.77B |
| Q4 2025 | 27 | $2.42B |
| Q3 2025 | 26 | $1.03B |
| Q2 2025 | 24 | $435.9M |
| Q1 2025 | 21 | $359.8M |
| Q4 2024 | 19 | $473.1M |
| Q3 2024 | 16 | $161.0M |
- FMR LLC (Fidelity)+919.2K (+84095%)
- D.E. Shaw & Co+658.9K (+2284%)
- Two Sigma Investments+602.3K (+6274%)
- Goldman Sachs Group+314.2K (+77%)
- Millennium Management+272.0K (+47%)
- BlackRock−979.2K (-23%)
- Invesco Ltd−844.3K (-39%)
- Morgan Stanley−489.2K (-73%)
- Bridgewater Associates LP−454.8K (-98%)
- T. Rowe Price Group−332.2K (-5%)
- Dimensional Fund Advisors+140.6K
- AQR Capital Management+1.8K
- StoneX Group Inc.−1.8K
- PARK NATIONAL CORP /OH/−1.3K
Source: 13F-HR filings on SEC EDGAR (aggregated from 199 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 6-K | Sep 23, 2026 | - | - | - |
| 6-K | Sep 17, 2026 | - | - | - |
| 6-K | Sep 15, 2026 | - | - | - |
| 4 | Sep 14, 2026 | - | - | - |
| 6-K | Aug 17, 2026 | - | - | - |
| 4 | Aug 12, 2026 | - | - | - |
| 6-K | Aug 12, 2026 | - | - | - |
| 6-K | Aug 11, 2026 | - | - | - |
| 6-K | Aug 4, 2026 | - | - | - |
| 4 | Jul 15, 2026 | - | - | - |
| 6-K | Jul 14, 2026 | - | - | - |
| 6-K | Jul 7, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 6-K | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | Jul 6, 2026 | - | - | - |
| 6-K | Jun 22, 2026 | - | - | - |
| 6-K | Jun 18, 2026 | - | - | - |
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TSEM SEC filings: frequently asked questions
Are TSEM insiders buying or selling?
In the last 90 days, Tower Semiconductor Ltd (TSEM) officers, directors and 10% owners reported no open-market purchases and 38 open-market sales worth $60.0 million by 2 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold TSEM stock?
As of June 30, 2026, the largest Tower Semiconductor Ltd (TSEM) holders among the 13F filers tracked by SignalX were T. Rowe Price Group ($1.8 billion), BlackRock ($857.5 million), Vanguard Capital Management LLC ($814.9 million), Invesco Ltd ($348.4 million), FMR LLC (Fidelity) ($239.7 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the latest TSEM SEC filings?
Tower Semiconductor Ltd (TSEM) filed a Form 4 insider filing on September 14, 2026.
What is TSEM's SEC CIK number?
Tower Semiconductor Ltd (TSEM)'s SEC Central Index Key (CIK) is 928876. EDGAR lists every TSEM filing under that number.
Ask anything about TSEM
The research agent reads TSEM's filings, financials, insider trades and 13F holders, then answers with sources.