Follow The Filings

TSEM Tower Semiconductor Ltd.

Information Technology, filed as TOWER SEMICONDUCTOR LTD (SHS NEW), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2, sold by 4

  • 3 Owners
  • Max 8.9%
  • $103M
  • 1 new 2 reduce 2 exits

In 2026 Q2, 1 manager opened a position, 2 trimmed, and 2 sold out.

Who owns this now

Largest portfolio weights among holders, up to 8.9% (Spencer Waxman, Shannon River Fund Management). Not free-float ownership.

  1. Spencer Waxman Reduce 8.9%
  2. Cathie Wood Reduce 0.02%
  3. Lee Ainslie New 0.01%

Who owns TSEM

Sorted by value, long equity only, as of 2026 Q2.

History
Spencer Waxman, Shannon River Fund Management 8.9%, was 16.9% Reduce −24.1% 382,933 $100M History
Cathie Wood, Ark Investment Management 0.02%, was 0.03% Reduce −44.0% 10,126 $2.6M History
Lee Ainslie, Maverick Capital 0.01% New 0.01% 2,659 $693K History
Alex Sacerdote, Whale Rock Capital Management exited 2026 Q2 Last 2026 Q1 2.4% Exit −2.42% 1,066,737 $187M History
Ben Hoskin, Value Aligned Research Advisors exited 2026 Q2 Last 2026 Q1 0.23% Exit −0.23% 270,441 $47M History

3 current, 2 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by TSEM's executives, directors and 10% owners in the last 12 months, from their Form 4s

All TSEM insider trades
  • None no insider bought on the open market
  • $60M sold by 2 insiders outside a trading plan
  • None no planned (10b5-1) sales
  1. Yoav Chelouche Director
    Sale
    $50K 232 shares at $215.06 0.7% of stake
    Traded Sep 10 Filed Sep 14
    ↗
  2. Russell Craig Ellwanger CEO
    Sale
    $45.6M 181,535 shares at $250.97 26% of stake
    Traded Aug 10–11 Filed Aug 12
    ↗
  3. Russell Craig Ellwanger CEO
    Sale
    $14.4M 66,964 shares at $215.02 8.6% of stake
    Traded Jul 13 Filed Jul 15
    ↗

Also filed in the last 12 months, not counted as buying or selling: 10 stock grants.

SEC filings

Recent issuer filings from EDGAR, 25 shown.

Filed Form Detail Links
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
SCHEDULE 13G/A — Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
SCHEDULE 13G — Filing Doc
6-K Filing Doc
SCHEDULE 13G — Filing Doc
6-K Filing Doc
SCHEDULE 13G — Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc

Source: SEC EDGAR submissions, updated 5 days ago. All on EDGAR

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.