SiTime
SITM
394 hedge funds and large institutions have $8.44B invested in SiTime in 2025 Q4 according to their latest regulatory filings, with 86 funds opening new positions, 132 increasing their positions, 135 reducing their positions, and 38 closing their positions.
126% more first-time investments, than exits
New positions opened: 86 | Existing positions closed: 38
123% more call options, than puts
Call options by funds: $62.1M | Put options by funds: $27.9M
17% more capital invested
Capital invested by funds: $7.18B → $8.44B (+$1.25B)
13% more funds holding
Funds holding: 349 → 394 (+45)
0.01% less ownership
Funds ownership: 91.67% → 91.66% (-0.01%)
2% less repeat investments, than reductions
Existing positions increased: 132 | Existing positions reduced: 135
14% less funds holding in top 10
Funds holding in top 10: 7 → 6 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$142M |
| 2 |
Jane Street
New York
|
+$89M |
| 3 |
WRCM
Whale Rock Capital Management
Boston,
Massachusetts
|
+$68.2M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$66.7M |
| 5 |
Fuller & Thaler Asset Management
San Mateo,
California
|
+$52.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$64.5M |
| 2 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
-$62.9M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$56.6M |
| 4 |
Franklin Resources
San Mateo,
California
|
-$53M |
| 5 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$50.8M |
SITM Hedge Fund Activity: Q4 2025 in Review
394 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in SiTime (SITM) for Q4 2025, worth a combined $8.44B — up 17% from $7.18B a quarter earlier.
Buyers outnumbered sellers: 86 funds opened new SITM positions and 38 closed out — a net gain of 48 holders — while 132 added to existing stakes and 135 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $142M. The largest seller was Invesco, cutting an estimated $64.5M.
- 394 institutional investors held SiTime (SITM) as of Q4 2025, up from 349 in Q3 2025.
- Funds reported $8.44B of SiTime stock for Q4 2025, up 17% quarter-over-quarter.
- 86 funds opened new SiTime positions in Q4 2025 and 38 closed out, a net change of +48 holders.
- The largest SiTime buyer in Q4 2025 was Fidelity Investments, an estimated $142M added.
- The largest SiTime seller in Q4 2025 was Invesco, an estimated $64.5M sold.
Based on aggregated 13F filings for Q4 2025.