SITIME Corp
SITM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001451809
In the last 90 days, SITIME Corp insiders filed 0 open-market purchases and 7 sales; 568 institutions reported holding it in 13F filings for Q2 2026, worth $16.8B in total; superinvestors Soros Fund Management and Maverick Capital hold it.
Holders of 5% or more of SITM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SITIME Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 15.00%3.94M shares | +2.20 ppfrom 12.80% | Aug 6, 20254 filings | May 6, 2026 | SEC |
| Megachips Corp | 13G/A | 13.10%3.42M shares | −3.10 ppfrom 16.20% | Feb 19, 20253 filings | Jan 30, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 10.10%2.65M shares | −1.90 ppfrom 12.00% | Feb 5, 20253 filings | Apr 24, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.37%1.41M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | 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 SITIME Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 6, 202611:35 AM ET | FMR LLCand 1 other | 13G/A | 15.00%3.94M shares | +2.20 ppfrom 12.80% | Mar 31, 2026 | SEC |
| Apr 29, 20263:05 PM ET | Vanguard Portfolio Management LLC | 13G | 5.37%1.41M shares | New | Mar 31, 2026 | SEC |
| Apr 24, 20264:11 PM ET | BlackRock, Inc. | 13G/A | 10.10%2.65M shares | −1.90 ppfrom 12.00% | Mar 31, 2026 | SEC |
| Mar 27, 20261:01 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 5, 20261:36 PM ET | FMR LLCand 1 other | 13G/A | 12.80%3.34M shares | +1.70 ppfrom 11.10% | Dec 31, 2025 | SEC |
| Jan 30, 20264:09 PM ET | Megachips Corp | 13G/A | 13.10%3.42M shares | −3.10 ppfrom 16.20% | Dec 31, 2025 | SEC |
| Nov 5, 202511:44 AM ET | FMR LLCand 1 other | 13G/A | 11.10%2.89M shares | −2.40 ppfrom 13.50% | Sep 30, 2025 | SEC |
| Aug 6, 202512:14 PM ET | FMR LLCand 1 other | 13G/A | 13.50%3.47M shares | – | Jun 30, 2025 | SEC |
| Apr 29, 20252:42 PM ET | BlackRock, Inc. | 13G/A | 12.00%2.83M shares | −1.10 ppfrom 13.10% | Mar 31, 2025 | SEC |
| Apr 21, 20254:08 PM ET | Megachips Corp | 13G/A | 16.20%3.28M shares | −0.70 ppfrom 16.90% | Mar 31, 2025 | SEC |
| Feb 19, 20256:02 AM ET | Megachips Corp | 13G/A | 16.90%4.00M shares | – | Dec 31, 2024 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 13.10%3.07M shares | – | Dec 31, 2024 | SEC |
| Oct 31, 20241:21 PM ET | Franklin Resources Incand 2 others | 13G/A | 4.80%1.12M shares | –Below 5% | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell SITIME Corp shares.
No Form 144 notices for SITIME Corp are on file.