Amplitude
AMPL
203 hedge funds and large institutions have $838M invested in Amplitude in 2025 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 85 increasing their positions, 48 reducing their positions, and 24 closing their positions.
77% more repeat investments, than reductions
Existing positions increased: 85 | Existing positions reduced: 48
67% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 24
8% more funds holding
Funds holding: 188 → 203 (+15)
4% more call options, than puts
Call options by funds: $11.4M | Put options by funds: $11M
2.24% less ownership
Funds ownership: 78.77% → 76.53% (-2.2%)
13% less capital invested
Capital invested by funds: $965M → $838M (-$127M)
75% less funds holding in top 10
Funds holding in top 10: 4 → 1 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
TimesSquare Capital Management
New York
|
+$24.3M |
| 2 |
AllianceBernstein
Nashville,
Tennessee
|
+$22.1M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$21.3M |
| 4 |
BlackRock
New York
|
+$12.7M |
| 5 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
+$8.34M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$46M |
| 2 |
SM
Sunriver Management
Greenwich,
Connecticut
|
-$41.4M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$28.8M |
| 4 |
IVMX
Institutional Venture Management XV
Menlo Park,
California
|
-$23.5M |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$9M |
AMPL Hedge Fund Activity: Q3 2025 in Review
203 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Amplitude (AMPL) for Q3 2025, worth a combined $838M — down 13% from $965M a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new AMPL positions and 24 closed out — a net gain of 16 holders — while 85 added to existing stakes and 48 trimmed.
The largest buyer was TimesSquare Capital Management, opening a new position worth an estimated $24.3M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $46M.
- 203 institutional investors held Amplitude (AMPL) as of Q3 2025, up from 188 in Q2 2025.
- Funds reported $838M of Amplitude stock for Q3 2025, down 13% quarter-over-quarter.
- 40 funds opened new Amplitude positions in Q3 2025 and 24 closed out, a net change of +16 holders.
- The largest Amplitude buyer in Q3 2025 was TimesSquare Capital Management, an estimated $24.3M added.
- The largest Amplitude seller in Q3 2025 was T. Rowe Price Investment Management, an estimated $46M sold.
Based on aggregated 13F filings for Q3 2025.