Amplitude, Inc.

AMPL

Exchange: Nasdaq
Industry: Services-Prepackaged Software
SEC CIK: 0001866692

SEC filings (opens in a new tab)

In the last 90 days, Amplitude, Inc. insiders filed 0 open-market purchases and 2 sales; 202 institutions reported holding it in 13F filings for Q2 2026, worth $615.1M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Amplitude, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of AMPL: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	204	6	211	+13
Shares	78.1M	559.4K	80.4M	+2.79M (+3.6%)
Value	$837.8M	$6.00M	$930.7M	+$99.0M (+11.9%)

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (41)

Institutions that held Amplitude, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to AMPL in Q4 2025
Institution	Shares	Value	% of portfolio
Light Street Capital Management, LLC	1,500,000	$17.4M	2.67%
Portolan Capital Management, LLC	560,096	$6.49M	0.35%
Marshall Wace, LLP	255,399	$2.96M	0.00%
ExodusPoint Capital Management, LP	171,876	$1.99M	0.02%
United Capital Financial Advisers, LLC	110,382	$1.28M	0.01%
Kultura Capital Management LP	105,600	$1.22M	0.89%
Marathon Capital Management	88,600	$1.03M	0.22%
Mackenzie Financial Corp	86,730	$1.02M	0.00%
Madison Asset Management, LLC	78,000	$903.2K	0.01%
Fox Run Management, L.L.C.	76,443	$885.2K	0.14%
Laurion Capital Management LP	67,065	$776.6K	0.05%
Nano Cap New Millennium Growth Fund L P	60,000	$694.8K	0.59%
Jupiter Asset Management Ltd	45,160	$523.0K	0.00%
American Century Companies Inc	22,808	$264.1K	0.00%
Caxton Associates LLP	21,307	$246.7K	0.00%
Capula Management Ltd	20,434	$236.6K	0.00%
VARCOV Co.	19,748	$228.7K	0.09%
Numerai GP LLC	18,828	$218.0K	0.03%
Cornerstone Investment Partners, LLC	17,566	$203.4K	0.01%
nVerses Capital, LLC	14,431	$167.1K	0.37%
Pallas Capital Advisors LLC	11,486	$133.0K	0.00%
Magnetar Financial LLC	10,555	$122.2K	0.00%
Merit Financial Group, LLC	10,358	$119.9K	0.00%
Kemnay Advisory Services Inc.	10,242	$118.6K	0.02%
Morse Asset Management, Inc	10,010	$115.9K	0.02%
Aster Capital Management (DIFC) Ltd	2,042	$23.6K	0.01%
Rockefeller Capital Management L.P.	1,947	$22.5K	0.00%
Clear Street Markets LLC	1,500	$17.4K	0.00%
Farther Finance Advisors, LLC	1,009	$11.7K	0.00%
Global Retirement Partners, LLC	705	$8.16K	0.00%
Cygnus Capital Advisors, LLC	562	$7.00K	0.01%
Los Angeles Capital Management LLC	314	$3.06K	0.00%
HighMark Wealth Management LLC	160	$1.85K	0.00%
Rachor Investment Advisory Services, LLC	131	$1.52K	0.00%
SJS Investment Consulting Inc.	57	$661	0.00%
Manchester Capital Management LLC	56	$649	0.00%
MAI Capital Management	52	$603	0.00%
Bare Financial Services, Inc	50	$579	0.00%
Optima Capital LLC	49	$567	0.00%
Cornerstone Financial Management LLC	47	$544	0.00%
Dunhill Financial, LLC	2	$19	0.00%

Sold out (28)

Institutions that held Amplitude, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of AMPL in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Summit Partners Public Asset Management, LLC	491,000	$5.26M
Neuberger Berman Group LLC	426,582	$4.57M
Dark Forest Capital Management LP	424,400	$4.55M
Lord, Abbett & Co. LLC	385,286	$4.13M
TD Asset Management Inc	173,606	$1.86M
Principal Financial Group Inc	128,286	$1.38M
Quantbot Technologies LP	87,881	$942.1K
Bayesian Capital Management, LP	51,500	$552.1K
Y-Intercept (Hong Kong) Ltd	42,907	$460.0K
CenterBook Partners LP	32,694	$350.5K
Twinbeech Capital LP	29,549	$316.8K
Occudo Quantitative Strategies LP	26,234	$281.2K
Omers Administration Corp	23,900	$256.2K
DRW Securities, LLC	21,336	$229.4K
Entropy Technologies, LP	20,647	$221.3K
PharVision Advisers, LLC	16,257	$174.3K
Jain Global LLC	15,535	$166.5K
Walleye Trading LLC	13,649	$146.3K
Capstone Investment Advisors, LLC	11,550	$123.8K
Catalyst Private Wealth, LLC	10,921	$117.1K
Schonfeld Strategic Advisors LLC	10,582	$113.4K
Legato Capital Management LLC	10,478	$112.3K
Quarry LP	2,949	$31.6K
Advisory Services Network, LLC	537	$5.76K
Federation des caisses Desjardins du Quebec	520	$5.57K
Fortitude Family Office, LLC	503	$5.39K
Stephens Consulting, LLC	155	$1.66K
Caitong International Asset Management Co., Ltd	16	$172

Not filed for Q4 2025 yet (6)

Institutions that held Amplitude, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMPL in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	426,996	$4.58M
Vishria Bird Financial Group, LLC	108,430	$1.16M
Corton Capital Inc.	15,879	$170.2K
Point72 Asia (Singapore) Pte. Ltd.	7,819	$83.8K
Point72 Europe (London) LLP	261	$2.80K
Optimum Investment Advisors	50	$536