SiTime
SITM
349 hedge funds and large institutions have $7.18B invested in SiTime in 2025 Q3 according to their latest regulatory filings, with 72 funds opening new positions, 137 increasing their positions, 100 reducing their positions, and 43 closing their positions.
133% more funds holding in top 10
Funds holding in top 10: 3 → 7 (+4)
67% more first-time investments, than exits
New positions opened: 72 | Existing positions closed: 43
42% more capital invested
Capital invested by funds: $5.06B → $7.18B (+$2.12B)
37% more repeat investments, than reductions
Existing positions increased: 137 | Existing positions reduced: 100
22% more call options, than puts
Call options by funds: $39.8M | Put options by funds: $32.7M
8% more funds holding
Funds holding: 323 → 349 (+26)
8.38% less ownership
Funds ownership: 100.06% → 91.67% (-8.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$77.1M |
| 2 |
Morgan Stanley
New York
|
+$56.1M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$33.5M |
| 4 |
Bank of New York Mellon
New York
|
+$32.5M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$28.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$133M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$45.3M |
| 3 |
Franklin Resources
San Mateo,
California
|
-$29.6M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$22.6M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
-$17.5M |
SITM Hedge Fund Activity: Q3 2025 in Review
349 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in SiTime (SITM) for Q3 2025, worth a combined $7.18B — up 42% from $5.06B a quarter earlier.
Buyers outnumbered sellers: 72 funds opened new SITM positions and 43 closed out — a net gain of 29 holders — while 137 added to existing stakes and 100 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $77.1M. The largest seller was Fidelity Investments, cutting an estimated $133M.
- 349 institutional investors held SiTime (SITM) as of Q3 2025, up from 323 in Q2 2025.
- Funds reported $7.18B of SiTime stock for Q3 2025, up 42% quarter-over-quarter.
- 72 funds opened new SiTime positions in Q3 2025 and 43 closed out, a net change of +29 holders.
- The largest SiTime buyer in Q3 2025 was T. Rowe Price Associates, an estimated $77.1M added.
- The largest SiTime seller in Q3 2025 was Fidelity Investments, an estimated $133M sold.
Based on aggregated 13F filings for Q3 2025.