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Amplitude

188 hedge funds and large institutions have $965M invested in Amplitude in 2025 Q2 according to their latest regulatory filings, with 35 funds opening new positions, 83 increasing their positions, 48 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

612% more call options, than puts

Call options by funds: $17.1M | Put options by funds: $2.4M

73% more repeat investments, than reductions

Existing positions increased: 83 | Existing positions reduced: 48

31% more capital invested

Capital invested by funds: $738M → $965M (+$227M)

3.7% more ownership

Funds ownership: 75.07%78.77% (+3.7%)

4% less funds holding

Funds holding: 195188 (-7)

13% less first-time investments, than exits

New positions opened: 35 | Existing positions closed: 40

50% less funds holding in top 10

Funds holding in top 10: 84 (-4)

Holders
188
Holders Change
-7
Holders Change %
-3.59%
% of All Funds
2.48%
Holding in Top 10
4
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
35
Increased
83
Reduced
48
Closed
40
Calls
$17.1M
Puts
$2.4M
Net Calls
+$14.7M
Net Calls Change
+$9.98M
Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Investments
26
Two Sigma Investments
New York
$5.86M +$5.11M +472,278 New
Cerity Partners
27
Cerity Partners
New York
$5.55M -$50.2K -4,643 -1%
Lord, Abbett & Co
28
Lord, Abbett & Co
New Jersey
$5.51M +$4.8M +444,135 New
Voloridge Investment Management
29
Voloridge Investment Management
Florida
$5.36M +$3.56M +328,820 +318%
Arrowstreet Capital
30
Arrowstreet Capital
Massachusetts
$5.18M +$4.23M +391,193 +1,454%
Tudor Investment Corp
31
Tudor Investment Corp
Connecticut
$5.14M +$4.49M +414,830 New
WCM
32
Westerly Capital Management
California
$4.96M -$811K -75,000 -16%
CP
33
CenterBook Partners
Connecticut
$3.83M -$3.24M -299,733 -49%
TI
34
Trexquant Investment
Connecticut
$3.82M +$2.45M +226,308 +278%
BNP Paribas Financial Markets
35
BNP Paribas Financial Markets
France
$3.78M +$3.16M +291,899 +2,196%
TD Asset Management
36
TD Asset Management
Ontario, Canada
$3.72M
DFCM
37
Dark Forest Capital Management
Puerto Rico
$3.62M +$272K +25,178 +9%
TP
38
Toronado Partners
California
$3.58M +$3.12M +288,488 New
PP
39
PDT Partners
New York
$3.44M +$1.64M +151,792 +121%
Adage Capital Partners
40
Adage Capital Partners
Massachusetts
$3.41M +$2.97M +275,000 New
JP Morgan Chase
41
JP Morgan Chase
New York
$3.3M +$629K +58,143 +28%
GIPM
42
G2 Investment Partners Management
New York
$3.25M +$2.83M +261,800 New
Bank of New York Mellon
43
Bank of New York Mellon
New York
$3.2M +$272K +25,155 +11%
Walleye Capital
44
Walleye Capital
New York
$3.2M +$2.41M +222,950 +642%
MCM
45
Monimus Capital Management
New Jersey
$3.1M -$59.5K -5,497 -2%
Renaissance Technologies
46
Renaissance Technologies
New York
$3.07M -$1.47M -135,914 -35%
T. Rowe Price Associates
47
T. Rowe Price Associates
Maryland
$3.04M +$915K +84,590 +53%
CSS
48
Cubist Systematic Strategies
Connecticut
$3.02M +$388K +35,867 +17%
Connor, Clark & Lunn Investment Management (CC&L)
49
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.94M +$888K +82,070 +53%
Raymond James Financial
50
Raymond James Financial
Florida
$2.91M +$915K +84,615 +56%

AMPL Hedge Fund Activity: Q2 2025 in Review

188 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Amplitude (AMPL) for Q2 2025, worth a combined $965M — up 31% from $738M a quarter earlier.

Sellers outnumbered buyers: 40 funds closed out of AMPL and 35 opened new positions — a net loss of 5 holders — while 48 trimmed existing stakes and 83 added.

The largest buyer was AllianceBernstein, adding an estimated $43M. The largest seller was Battery Management Corp, exiting entirely with an estimated $45.4M sold.

  • 188 institutional investors held Amplitude (AMPL) as of Q2 2025, down from 195 in Q1 2025.
  • Funds reported $965M of Amplitude stock for Q2 2025, up 31% quarter-over-quarter.
  • 35 funds opened new Amplitude positions in Q2 2025 and 40 closed out, a net change of -5 holders.
  • The largest Amplitude buyer in Q2 2025 was AllianceBernstein, an estimated $43M added.
  • The largest Amplitude seller in Q2 2025 was Battery Management Corp, an estimated $45.4M sold.

Based on aggregated 13F filings for Q2 2025.