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Amplitude

209 hedge funds and large institutions have $930M invested in Amplitude in 2025 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 84 increasing their positions, 55 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

362% more call options, than puts

Call options by funds: $13.2M | Put options by funds: $2.87M

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

190.54% more ownership

Funds ownership: 76.53%267.07% (+191%)

53% more repeat investments, than reductions

Existing positions increased: 84 | Existing positions reduced: 55

41% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 29

11% more capital invested

Capital invested by funds: $838M → $930M (+$92.4M)

3% more funds holding

Funds holding: 203209 (+6)

Holders
209
Holders Change
+6
Holders Change %
+2.96%
% of All Funds
2.54%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
41
Increased
84
Reduced
55
Closed
29
Calls
$13.2M
Puts
$2.87M
Net Calls
+$10.4M
Net Calls Change
+$9.99M
Name Holding Trade Value Shares
Change
Change in
Stake
Morgan Stanley
26
Morgan Stanley
New York
$7.94M -$864K -82,171 -11%
Bank of America
27
Bank of America
North Carolina
$7.64M +$133K +12,668 +2%
Two Sigma Advisers
28
Two Sigma Advisers
New York
$6.49M +$3.14M +298,500 +114%
PCM
29
Portolan Capital Management
Massachusetts
$6.49M +$5.89M +560,096 New
UBS Group
30
UBS Group
Switzerland
$6.31M +$3.64M +345,813 +174%
Acadian Asset Management
31
Acadian Asset Management
Massachusetts
$6.15M +$1.71M +162,958 +44%
WCM
32
Westerly Capital Management
California
$5.79M +$1.58M +150,000 +43%
Cerity Partners
33
Cerity Partners
New York
$5.41M -$4.9K -466 -0.1%
GA
34
Gagnon Advisors
New York
$5.29M +$1.1M +104,221 +30%
Fidelity Investments
35
Fidelity Investments
Massachusetts
$5.17M -$4.4M -418,626 -48%
TI
36
Trexquant Investment
Connecticut
$5.15M -$824K -78,329 -15%
Walleye Capital
37
Walleye Capital
New York
$5.08M +$2.81M +267,132 +155%
Voloridge Investment Management
38
Voloridge Investment Management
Florida
$4.66M -$1.74M -165,688 -29%
MCM
39
Monimus Capital Management
New Jersey
$4.3M +$898K +85,356 +30%
Deutsche Bank
40
Deutsche Bank
Germany
$4.22M +$2.4M +227,969 +167%
VOYA Investment Management
41
VOYA Investment Management
Georgia
$4.12M +$241K +22,879 +7%
AG
42
Algert Global
California
$3.71M -$49.9K -4,740 -1%
GIPM
43
G2 Investment Partners Management
New York
$3.29M -$2.04M -193,605 -40%
Bank of New York Mellon
44
Bank of New York Mellon
New York
$3.06M +$7.68K +730 +0.3%
Marshall Wace
45
Marshall Wace
United Kingdom
$2.96M +$2.69M +255,399 New
CG
46
Circumference Group
Arkansas
$2.76M +$210K +20,000 +9%
Barclays
47
Barclays
United Kingdom
$2.67M +$902K +85,735 +59%
Jane Street
48
Jane Street
New York
$2.62M -$2.81M -267,527 -54%
Susquehanna International Group
49
Susquehanna International Group
Pennsylvania
$2.53M +$996K +94,656 +76%
SFI
50
Susquehanna Fundamental Investments
Pennsylvania
$2.53M +$2.17M +206,437 +1,673%

AMPL Hedge Fund Activity: Q4 2025 in Review

209 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Amplitude (AMPL) for Q4 2025, worth a combined $930M — up 11% from $838M a quarter earlier.

Buyers outnumbered sellers: 41 funds opened new AMPL positions and 29 closed out — a net gain of 12 holders — while 84 added to existing stakes and 55 trimmed.

The largest buyer was Point72 Asset Management, adding an estimated $23.4M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $53.2M.

  • 209 institutional investors held Amplitude (AMPL) as of Q4 2025, up from 203 in Q3 2025.
  • Funds reported $930M of Amplitude stock for Q4 2025, up 11% quarter-over-quarter.
  • 41 funds opened new Amplitude positions in Q4 2025 and 29 closed out, a net change of +12 holders.
  • The largest Amplitude buyer in Q4 2025 was Point72 Asset Management, an estimated $23.4M added.
  • The largest Amplitude seller in Q4 2025 was T. Rowe Price Investment Management, an estimated $53.2M sold.

Based on aggregated 13F filings for Q4 2025.