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.

Q1 2026 vs. Q4 2025

How the institutions holding Amplitude, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of AMPL: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	211	3	219	+11
Shares	80.4M	10.8M	83.4M	+13.8M (+19.9%)
Value	$930.7M	$125.4M	$570.2M	−$235.2M (−29.2%)

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (48)

Institutions that held Amplitude, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to AMPL in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Portfolio Management LLC	6,165,091	$42.0M	0.00%
Vanguard Capital Management LLC	4,091,320	$27.9M	0.00%
Vanguard Fiduciary Trust Co	660,804	$4.51M	0.00%
Qube Research & Technologies Ltd	597,441	$4.07M	0.01%
Arrowstreet Capital, Limited Partnership	576,301	$3.93M	0.00%
Y-Intercept (Hong Kong) Ltd	454,143	$3.10M	0.06%
Trigran Investments, Inc.	380,526	$2.60M	0.62%
S Squared Technology, LLC	150,402	$1.03M	0.39%
Palogic Value Management, L.P.	65,000	$443.3K	0.19%
DRW Securities, LLC	59,669	$406.9K	0.02%
Vanguard Asset Management, Ltd	59,362	$404.8K	0.00%
Prelude Capital Management, LLC	43,064	$293.7K	0.02%
CenterBook Partners LP	40,908	$279.0K	0.01%
Twinbeech Capital LP	39,300	$268.0K	0.03%
Vanguard Global Advisers, LLC	37,624	$256.6K	0.00%
Dark Forest Capital Management LP	34,733	$236.9K	0.02%
EntryPoint Capital, LLC	31,809	$216.9K	0.06%
Inscription Capital, LLC	30,530	$208.2K	0.02%
Evergreen Capital Management LLC	27,121	$185.0K	0.00%
Harbor Capital Advisors, Inc.	23,717	$162.0K	0.01%
JustInvest LLC	20,096	$137.1K	0.00%
Group One Trading, L.P.	19,759	$134.8K	0.00%
Vanguard Investments Australia, Ltd.	18,823	$128.4K	0.00%
CI Private Wealth, LLC	16,504	$112.6K	0.00%
Mirabella Financial Services LLP	15,641	$106.7K	0.01%
Captrust Financial Advisors	13,687	$93.3K	0.00%
Skopos Labs, Inc.	12,707	$86.7K	0.00%
Frec Markets, Inc.	12,470	$85.0K	0.01%
Polymer Capital Management (US) LLC	11,969	$81.6K	0.01%
Krilogy Financial LLC	11,355	$77.1K	0.00%
EP Wealth Advisors, LLC	11,003	$75.0K	0.00%
Colony Group, LLC	10,589	$72.2K	0.00%
Centiva Capital, LP	10,153	$69.2K	0.00%
Scientech Research LLC	10,025	$68.4K	0.06%
Simplex Trading, LLC	6,505	$44.4K	0.00%
Root Financial Partners, LLC	1,062	$7.24K	0.00%
Advisory Services Network, LLC	622	$4.24K	0.00%
Bell Investment Advisors, Inc	553	$3.77K	0.00%
Wealth Preservation Advisors, LLC	497	$3.39K	0.00%
JPL Wealth Management, LLC	370	$2.52K	0.00%
Walleye Trading LLC	293	$2.00K	0.00%
Fifth Third Bancorp	81	$552	0.00%
Basecamp Wealth Advisors LLC	69	$471	0.00%
Larson Financial Group LLC	33	$225	0.00%
Hughes Financial Services, LLC	3	$20	0.00%
Measured Wealth Private Client Group, LLC	1	$5	0.00%
Capital Advisors, Ltd. LLC	29	$0	0.00%
Avion Wealth	69	$0	0.00%

Sold out (37)

Institutions that held Amplitude, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of AMPL in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Two Sigma Advisers, LP	560,500	$6.49M
Voloridge Investment Management, LLC	402,828	$4.66M
Marshall Wace, LLP	255,399	$2.96M
Engineers Gate Manager LP	187,925	$2.18M
ExodusPoint Capital Management, LP	171,876	$1.99M
Ameriprise Financial Inc	130,110	$1.51M
Baker Avenue Asset Management, LP	106,819	$1.24M
Kultura Capital Management LP	105,600	$1.22M
Mackenzie Financial Corp	86,730	$1.02M
Raymond James Financial Inc	83,916	$971.7K
Laurion Capital Management LP	67,065	$776.6K
Woodline Partners LP	53,063	$614.5K
ARS Investment Partners, LLC	48,824	$565.4K
Panagora Asset Management Inc	46,627	$539.9K
Jupiter Asset Management Ltd	45,160	$523.0K
Penn Capital Management Co Inc	43,941	$508.8K
Susquehanna Portfolio Strategies, LLC	40,411	$468.0K
Landscape Capital Management, L.L.C.	30,386	$351.9K
Caxton Associates LLP	21,307	$246.7K
Capula Management Ltd	20,434	$236.6K
VARCOV Co.	19,748	$228.7K
Cornerstone Investment Partners, LLC	17,566	$203.4K
Inspire Advisors, LLC	17,440	$202.0K
nVerses Capital, LLC	14,431	$167.1K
Cedar Wealth Management, LLC	13,204	$152.9K
Amalgamated Bank	2,902	$34.0K
Aster Capital Management (DIFC) Ltd	2,042	$23.6K
Cranbrook Wealth Management, LLC	786	$9.10K
Cygnus Capital Advisors, LLC	562	$7.00K
T. Rowe Price Investment Management, Inc.	441	$6.00K
Aquatic Capital Management LLC	428	$4.96K
Huntington National Bank	252	$2.92K
Manchester Capital Management LLC	56	$649
Optima Capital LLC	49	$567
Clearstead Advisors, LLC	47	$545
Cornerstone Financial Management LLC	47	$544
Quest Partners LLC	1	$12

Not filed for Q1 2026 yet (3)

Institutions that held Amplitude, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMPL in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	10,825,568	$125.4M
Global Retirement Partners, LLC	705	$8.16K
CIBC Private Wealth Group, LLC	30	$347