SiTime Corporation
SiTime Corporation (SITM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SITM · as of Mar 31, 2025
Ownership Breakdown
292
Institutional Holders
$3.15B
Total Inst. Value
▼ $1.13B vs Q4
26.40M
Shares Outstanding
freeFloat 86.79%
20.58M
13F Shares Held
▲ 615,065 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SITM largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC semiconductors & related devices | 3.31M | 14.00% | 14.00% | $506.08B | May 12, 2025 | ▼ 77.9K |
BLACKROCK, INC. semiconductors & related devices | 3.12M | 13.21% | 13.21% | $477.60B | May 2, 2025 | ▲ 57.2K |
VANGUARD GROUP INC semiconductors & related devices | 2.47M | 10.43% | 10.43% | $377.14B | May 9, 2025 | ▼ 1.3K |
INVESCO LTD. semiconductors & related devices | 972.4K | 4.11% | 4.11% | $148.65B | May 12, 2025 | ▼ 10.8K |
STATE STREET CORP semiconductors & related devices | 879.1K | 3.72% | 3.72% | $134.39B | May 15, 2025 | ▲ 1.3K |
FRANKLIN RESOURCES INC semiconductors & related devices | 848.9K | 3.59% | 3.59% | $129.77B | May 13, 2025 | ▼ 67.8K |
AMERIPRISE FINANCIAL INC semiconductors & related devices | 603.3K | 2.55% | 2.55% | $92.23B | May 14, 2025 | ▲ 87.6K |
HOOD RIVER CAPITAL MANAGEMENT LLC semiconductors & related devices | 496.6K | 2.10% | 2.10% | $75.91B | May 15, 2025 | ▲ 74.6K |
GEODE CAPITAL MANAGEMENT, LLC semiconductors & related devices | 455.3K | 1.93% | 1.93% | $69.62B | May 13, 2025 | ▲ 12.4K |
ALLIANCEBERNSTEIN L.P. semiconductors & related devices | 443.2K | 1.87% | 1.87% | $67.76B | May 15, 2025 | ▲ 422.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
30
Increased
+1.65M shares1
New Positions
first time holders18
Decreased
−816.9K shares0
Sold Out
fully exitedNet shares change (top 50)
+832.8K
+1.65M / −816.9K
Net new holders
+13
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SITM insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
21
Sell transactions
0.48
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
VASHIST RAJESH Chief Executive Officer | Jun 3, 2026 | Sale | 30,000 | $701.13 | $21.03M | 402.9K | Form 4 ↗ |
VASHIST RAJESH Chief Executive Officer | Jun 3, 2026 | Sale | 10,000 | $701.13 | $7.01M | 14.8K | Form 4 ↗ |
Assaderaghi Fariborz See Remarks | Jun 3, 2026 | Sale | 1,000 | $702.90 | $702.9K | 78.9K | Form 4 ↗ |
Assaderaghi Fariborz See Remarks | Jun 4, 2026 | Sale | 200 | $711.25 | $142.3K | 78.7K | Form 4 ↗ |
Assaderaghi Fariborz See Remarks | Jun 4, 2026 | Sale | 800 | $710.68 | $568.5K | 77.9K | Form 4 ↗ |
Heckart Christine director | Jun 2, 2026 | Sale | 1,290 | $700.00 | $903.0K | 790 | Form 4 ↗ |
MOORTHY GANESH director | Jun 1, 2026 | Award | 390 | — | — | 1.9K | Form 4 ↗ |
Frank Edward H. director | Jun 1, 2026 | Award | 390 | — | — | 12.0K | Form 4 ↗ |
Heckart Christine director | Jun 1, 2026 | Award | 390 | — | — | 2.1K | Form 4 ↗ |
Kreindl Torsten director | Jun 1, 2026 | Award | 390 | — | — | 13.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
SiTime Corporation (SITM) is primarily owned by institutional investors, who hold approximately 78.0% of total shares outstanding. Company insiders own approximately 13.21%, while retail and public investors account for the remaining 8.82%.
The largest institutional shareholder of SiTime Corporation is FMR LLC, holding approximately 3.31 million shares — equal to 14.00% of outstanding shares — as of March 31, 2025.
A total of 292 institutional investors currently hold SITM stock, with a combined institutional value of approximately $3.15 billion as of the most recent 13F filing period.
Frequently asked questions
SITM ownershipSiTime Corporation (SITM) is primarily owned by institutional investors, who hold approximately 78.0% of shares. The largest shareholder is FMR LLC with a 14.00% stake. Company insiders hold 13.21%. Data sourced from SEC Form 13F as of March 31, 2025.