SiTime Corporation (SITM) Ownership
SITM ownership summary
as of October 18, 2026- Institutions
- 88.2% of shares outstanding
- Insiders
- 10.81% of shares outstanding
- Shares outstanding
- 30.0M
- Float
- 23.1M shares available to trade
- Short interest
- 7.47% 1.5M shares short
- Days to cover
- 3.29 short interest up 24.4% vs prior month
- Institutions 88.15%
- Insiders 10.81%
- Other investors 1.04%
SITM top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 13.20% | 4.0M | $1.87B | +14,550 (+0.4%) | June 30, 2026 |
| 2 | BlackRock Inc | 7.95% | 2.4M | $1.13B | −490,670 (−17.0%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 4.03% | 1.2M | $572.3M | −179,413 (−12.9%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.35% | 1.0M | $475.9M | +14,030 (+1.4%) | June 30, 2026 |
| 5 | State Street Corp | 2.68% | 805K | $379.9M | −120,133 (−13.0%) | June 30, 2026 |
| 6 | T. Rowe Price Investment Management,Inc. | 2.16% | 651K | $307.2M | +507,187 (+353.7%) | June 30, 2026 |
| 7 | Whale Rock Capital Management LLC | 1.86% | 561K | $264.7M | −16,232 (−2.8%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 1.81% | 544K | $257.0M | −80,303 (−12.9%) | June 30, 2026 |
| 9 | Artisan Partners Limited Partnership | 1.61% | 485K | $229.0M | +289,116 (+147.5%) | June 30, 2026 |
| 10 | Franklin Templeton Inc | 1.41% | 423K | $199.5M | −107,762 (−20.3%) | June 30, 2026 |
| 11 | Jane Street Group LLC | 1.37% | 412K | $194.6M | +235,361 (+133.1%) | June 30, 2026 |
| 12 | JPMorgan Chase & Co | 1.18% | 356K | $168.0M | +230,721 (+184.3%) | June 30, 2026 |
| 13 | Amvescap Plc. | 1.15% | 344K | $162.6M | −99,541 (−22.4%) | June 30, 2026 |
| 14 | AllianceBernstein L.P. | 1.11% | 335K | $158.2M | +47,987 (+16.7%) | June 30, 2026 |
| 15 | T. Rowe Price Associates, Inc. | 1.07% | 323K | $152.3M | −361,257 (−52.8%) | June 30, 2026 |
| 16 | The Goldman Sachs Group Inc | 1.03% | 310K | $146.3M | +44,275 (+16.7%) | June 30, 2026 |
| 17 | Ameriprise Financial Inc | 0.86% | 259K | $122.5M | −207,618 (−44.5%) | June 30, 2026 |
| 18 | Gilder Gagnon Howe & CO LLC | 0.80% | 241K | $113.6M | −85,536 (−26.2%) | June 30, 2026 |
| 19 | Wellington Management Company LLP | 0.79% | 236K | $111.5M | −53,306 (−18.4%) | June 30, 2026 |
| 20 | NORGES BANK | 0.67% | 200K | $94.4M | −37,729 (−15.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 8 holders added 1.4M shares and 12 cut 1.8M.
SITM top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Growth Company Fund | 3.10% | 932K | $440.3M | +5,100 (+0.5%) | August 31, 2026 |
| 2 | iShares Core S&P Mid-Cap ETF | 2.74% | 825K | $389.4M | −300 (−0.0%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 2.37% | 713K | $336.8M | −816 (−0.1%) | August 31, 2026 |
| 4 | Vanguard Small Cap Index | 1.72% | 516K | $243.8M | +712 (+0.1%) | August 31, 2026 |
| 5 | Fidelity OTC | 1.43% | 431K | $203.5M | — | August 31, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 0.99% | 296K | $139.9M | −1,789 (−0.6%) | August 31, 2026 |
| 7 | Fidelity Growth Company K6 | 0.88% | 264K | $124.7M | +1,500 (+0.6%) | August 31, 2026 |
| 8 | Vanguard Information Technology ETF | 0.84% | 254K | $119.9M | −281 (−0.1%) | August 31, 2026 |
| 9 | Fidelity Series Growth Company | 0.75% | 225K | $106.1M | +1,200 (+0.5%) | August 31, 2026 |
| 10 | Fidelity Contrafund | 0.68% | 203K | $96.0M | +3,079 (+1.5%) | August 31, 2026 |
| 11 | T. Rowe Price Mid-Cap Growth | 0.65% | 196K | $92.3M | −17,765 (−8.3%) | August 31, 2026 |
| 12 | Invesco Discovery A | 0.62% | 186K | $87.6M | — | August 31, 2026 |
| 13 | Franklin Technology A Acc USD | 0.58% | 174K | $82.2M | — | August 31, 2026 |
| 14 | Invesco S&P MidCap Momentum ETF | 0.56% | 168K | $79.2M | — | September 30, 2026 |
| 15 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.54% | 162K | $76.6M | −1,826 (−1.1%) | August 31, 2026 |
| 16 | Strategic Advisers Fidelity US TtlStk | 0.52% | 156K | $73.6M | −7,000 (−4.3%) | August 31, 2026 |
| 17 | Fidelity Balanced | 0.52% | 156K | $73.5M | +37,015 (+31.2%) | July 31, 2026 |
| 18 | JPMorgan Mid Cap Growth I | 0.49% | 147K | $69.2M | −2,720 (−1.8%) | August 31, 2026 |
| 19 | Vanguard Explorer Inv | 0.46% | 137K | $64.6M | +91,147 (+199.6%) | June 30, 2026 |
| 20 | iShares S&P Mid-Cap 400 Growth ETF | 0.44% | 134K | $63.1M | −142 (−0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SITM insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-17 | Piyush B Sevalia | Sell | $484.05 | 2,419 | $1.2M |
| 2026-04-10 | Piyush B Sevalia | Sell | $425.00 | 1,247 | $529,975 |
| 2026-03-25 | Piyush B Sevalia | Sell | $375.00 | 1,249 | $468,375 |
| 2026-03-02 | Raman Chitkara | Sell | $425.03 | 501 | $212,940 |
| 2026-02-24 | Fariborz Assaderaghi | Sell | $406.45 | 4,984 | $2.0M |
| 2026-02-17 | Piyush B Sevalia | Sell | $413.08 | 566 | $233,803 |
| 2026-02-11 | Fariborz Assaderaghi | Sell | $428.08 | 2,112 | $904,105 |
| 2026-02-11 | Samsheer Ahamad | Sell | $441.47 | 9,100 | $4.0M |
| 2026-02-10 | Fariborz Assaderaghi | Sell | $416.06 | 500 | $208,030 |
| 2026-02-06 | Akira Takata | Sell | $431.73 | 3,500 | $1.5M |
| 2026-01-02 | Rajesh Vashist | Sell | $369.20 | 2,000 | $738,400 |
| 2025-12-01 | Samsheer Ahamad | Sell | $291.10 | 4,000 | $1.2M |
| 2025-12-01 | Fariborz Assaderaghi | Sell | $291.58 | 1,500 | $437,370 |
| 2025-12-01 | Rajesh Vashist | Sell | $291.02 | 2,000 | $582,040 |
| 2025-11-06 | Rajesh Vashist | Sell | $329.00 | 10,000 | $3.3M |
| 2025-11-03 | Rajesh Vashist | Sell | $289.75 | 2,000 | $579,500 |
| 2025-10-06 | Elizabeth A Howe | Sell | $319.00 | 5,099 | $1.6M |
| 2025-10-01 | Rajesh Vashist | Sell | $294.00 | 2,000 | $588,000 |
| 2025-09-24 | Elizabeth A Howe | Sell | $319.00 | 901 | $287,419 |
| 2025-09-18 | Elizabeth A Howe | Sell | $298.00 | 1,000 | $298,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SITM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SITM
Institutional investors own 88.2% of SiTime's shares and insiders 10.81%. The largest holder is FMR Inc with 13.20% of the shares (4.0M), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 12 reduced their stake in the latest filings. Short interest is 7.47% of the float, or 3.29 days of average trading volume. The share count rose 89.3% since 2018.
Related: SITM analyst forecast, SITM key metrics. See the SITM stock overview for the latest quote and news.
SITM ownership FAQ
Who owns the most SiTime stock?
The largest shareholders of SiTime are FMR Inc (13.20%), BlackRock Inc (7.95%), Vanguard Portfolio Management, LLC (4.03%), Vanguard Capital Management, LLC (3.35%), State Street Corp (2.68%).
What percentage of SiTime is owned by institutions?
Institutions hold 88.2% of SiTime's shares outstanding; insiders hold 10.81%.
Which funds own SiTime?
The largest fund holders of SiTime are Fidelity Growth Company Fund (3.10%), iShares Core S&P Mid-Cap ETF (2.74%), Vanguard MStar Total Stk Mkt Idx Invest (2.37%), Vanguard Small Cap Index (1.72%), Fidelity OTC (1.43%).
What is SiTime's short interest?
1.5M shares of SiTime were sold short, 7.47% of the float; at the average daily volume it would take 3.29 days to cover.
Are insiders buying or selling SiTime?
Of the latest 20 reported insider transactions in SiTime (since September 18, 2025), 0 were purchases and 20 were sales.
How many shares of SiTime are outstanding?
SiTime has 30.0M shares outstanding, of which 23.1M are in the public float.