Lattice Semiconductor Corp
LSCC- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000855658
In the last 90 days, Lattice Semiconductor Corp insiders filed 0 open-market purchases and 4 sales; 607 institutions reported holding it in 13F filings for Q2 2026, worth $21.7B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.
Holders of 5% or more of LSCC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Lattice Semiconductor Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 13G/A | 15.20%20.8M shares | −1.30 ppfrom 16.50% | Aug 14, 20254 filings | Nov 14, 2025 | SEC |
| Price T Rowe Associates Inc | 13G/A | 13.20%18.1M shares | 0.00 ppfrom 13.20% | May 14, 20254 filings | Feb 17, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 10.00%13.7M shares | 0.00 ppfrom 10.00% | Oct 17, 20252 filings | Nov 6, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Lattice Semiconductor Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 202610:20 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 202610:26 AM ET | Price T Rowe Associates Inc | 13G/A | 13.20%18.1M shares | 0.00 ppfrom 13.20% | Dec 31, 2025 | SEC |
| Nov 14, 202512:19 PM ET | Price T Rowe Associates Inc | 13G/A | 13.20%18.1M shares | +2.50 ppfrom 10.70% | Sep 30, 2025 | SEC |
| Nov 14, 202512:18 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 15.20%20.8M shares | −1.30 ppfrom 16.50% | Sep 30, 2025 | SEC |
| Nov 6, 20252:23 PM ET | BlackRock, Inc. | 13G/A | 10.00%13.7M shares | 0.00 ppfrom 10.00% | Oct 31, 2025 | SEC |
| Oct 17, 20256:41 PM ET | BlackRock, Inc. | 13G/A | 10.00%13.7M shares | – | Sep 30, 2025 | SEC |
| Aug 14, 202512:12 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 16.50%22.7M shares | 0.00 ppfrom 16.50% | Jun 30, 2025 | SEC |
| Aug 14, 202512:12 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 16.50%22.7M shares | 0.00 ppfrom 16.50% | Jun 30, 2025 | SEC |
| Aug 14, 202512:12 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 16.50%22.7M shares | – | Jun 30, 2025 | SEC |
| Aug 12, 20256:14 AM ET | Artisan Partners Limited Partnershipand 3 others | 13G/A | 3.40%4.70M shares | −1.90 ppfrom 5.30%Below 5% | Jun 30, 2025 | SEC |
| Jun 6, 202512:00 PM ET | Price T Rowe Associates Inc | 13G/A | 10.70%14.8M shares | +5.00 ppfrom 5.70% | May 31, 2025 | SEC |
| May 15, 20257:00 AM ET | Artisan Partners Limited Partnershipand 3 others | 13G/A | 5.30%7.33M shares | – | Mar 31, 2025 | SEC |
| May 14, 202510:45 AM ET | Price T Rowe Associates Inc | 13G | 5.70%7.80M shares | New | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Lattice Semiconductor Corp shares.
No Form 144 notices for Lattice Semiconductor Corp are on file.