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 Sep 30, 2025
Ownership Breakdown
366
Institutional Holders
▲ 23 vs Q2
$7.18B
Total Inst. Value
▲ $2.12B vs Q2
26.40M
Shares Outstanding
freeFloat 86.79%
23.84M
13F Shares Held
▲ 84,958 vs Q2
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
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. semiconductors & related devices | 3.37M | 14.10% | 14.10% | $1.02T | Nov 12, 2025 | ▲ 63.9K |
FMR LLC semiconductors & related devices | 2.89M | 12.09% | 12.09% | $871.77B | Nov 13, 2025 | ▼ 573.4K |
VANGUARD GROUP INC semiconductors & related devices | 2.76M | 11.55% | 11.55% | $832.84B | Nov 7, 2025 | ▲ 123.3K |
INVESCO LTD. semiconductors & related devices | 1.04M | 4.34% | 4.34% | $312.55B | Nov 13, 2025 | ▲ 18.2K |
STATE STREET CORP semiconductors & related devices | 944.1K | 3.95% | 3.95% | $284.46B | Nov 14, 2025 | ▲ 32.8K |
FRANKLIN RESOURCES INC semiconductors & related devices | 664.5K | 2.78% | 2.78% | $200.21B | Nov 13, 2025 | ▼ 127.8K |
AMERIPRISE FINANCIAL INC semiconductors & related devices | 638.8K | 2.67% | 2.67% | $192.48B | Nov 14, 2025 | ▼ 97.5K |
DRIEHAUS CAPITAL MANAGEMENT LLC semiconductors & related devices | 575.2K | 2.40% | 2.40% | $173.32B | Nov 14, 2025 | ▲ 74.4K |
WELLINGTON MANAGEMENT GROUP LLP semiconductors & related devices | 537.7K | 2.25% | 2.25% | $162.03B | Nov 14, 2025 | ▲ 144.7K |
GEODE CAPITAL MANAGEMENT, LLC semiconductors & related devices | 523.6K | 2.19% | 2.19% | $157.78B | Nov 12, 2025 | ▲ 17.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
34
Increased
+1.86M shares0
New Positions
first time holders15
Decreased
−1.42M shares0
Sold Out
fully exitedNet shares change (top 50)
+441.0K
+1.86M / −1.42M
Net new holders
+19
0 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 90.3% of total shares outstanding. Company insiders own approximately 13.21%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of SiTime Corporation is BLACKROCK, INC., holding approximately 3.37 million shares — equal to 14.10% of outstanding shares — as of September 30, 2025.
A total of 366 institutional investors currently hold SITM stock, with a combined institutional value of approximately $7.18 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 90.3% of shares. The largest shareholder is BLACKROCK, INC. with a 14.10% stake. Company insiders hold 13.21%. Data sourced from SEC Form 13F as of September 30, 2025.