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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
TSS
201
Two Sigma Securities
New York
-$205K -20,150 Closed
CC
202
Centiva Capital
New York
-$183K -17,935 Closed
WMRU
203
William Marsh Rice University
Texas
-$171K -16,754 Closed
DC
204
Diametric Capital
Massachusetts
-$161K -15,788 Closed
PMAM
205
Penn Mutual Asset Management
Pennsylvania
-$134K -13,130 Closed
Ameriprise
206
Ameriprise
Minnesota
-$126K -12,384 Closed
STA
207
Summit Trail Advisors
New York
-$124K -12,182 Closed
TC
208
TwinBeech Capital
New York
-$116K -11,412 Closed
AIM
209
Aigen Investment Management
New York
-$114K -11,162 Closed
BC
210
Bridgefront Capital
Texas
-$109K -10,736 Closed
Simplex Trading
211
Simplex Trading
Illinois
-$94.3K -8,715 Closed
Walleye Trading
212
Walleye Trading
New York
-$39.2K -3,621 Closed
SG
213
StepStone Group
California
-$22.8K -2,235 Closed
PHK
214
Point72 Hong Kong
Hong Kong
-$14.3K -1,405 Closed
BIG
215
Brooklyn Investment Group
New York
-$13.6K -1,331 Closed
QL
216
Quarry LP
New York
-$8.69K -853 Closed
Comerica Bank
217
Comerica Bank
Texas
-$3.09K -303 Closed
SSG
218
Summit Securities Group
New York
-$2.72K -267 Closed
QCG
219
Quadrant Capital Group
Ohio
-$1.61K -158 Closed
WPA
220
West Paces Advisors
Georgia
-$1.53K -150 Closed
CCM
221
Coldstream Capital Management
Washington
-$1.18K -116 Closed
SAM
222
Smartleaf Asset Management
Massachusetts
-$622 -59 Closed
Northwestern Mutual Wealth Management
223
Northwestern Mutual Wealth Management
Wisconsin
-$540 -53 Closed
PFBT
224
Parkside Financial Bank & Trust
Missouri
-$459 -45 Closed
LFG
225
Larson Financial Group
Missouri
-$387 -38 Closed

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.