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Disclosery

AMPL AMPLITUDE INC

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Stock (common), issuer CIK 1866692

146 managers (148 13F filers) reported a position in AMPL shares at 2024-12-31, 70,103,176 shares in all. 24 filers opened a position and 19 filers sold out during the quarter.

Managers
146
13F filers
148
New
24
Added
58
Reduced
26
Sold out
19
Shares held by filers
70,103,176

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Schultz Ericadirector2026-10-05+892 A$0Form 4
Tzuo Tiendirector2026-10-05+818 A$0Form 4
Skates Spenserdirector, officer (CEO and President), 10% owner2026-10-02-70,087 S$14.5203Form 4
Skates Spenserdirector, officer (CEO and President), 10% owner2026-10-02+70,087 C$0Form 4

13F holders, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC9,189,698$97M<0.01%+447,27713F-HRTimelineGroup
T. Rowe Price Investment Management, In…8,996,229$94.9M0.06%+770,22713F-HRTimeline
FMR LLCin group FMR LLC8,390,895$88.5M0.01%+334,89213F-HRTimelineGroup
BATTERY MANAGEMENT CORP.7,451,304$78.6M10.06%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.6,223,724$65.7M<0.01%+43,01413F-HRTimelineGroup
Sunriver Management LLC3,772,808$39.8M4.76%+737,60013F-HRTimeline
SC US (TTGP), LTD.in group SC US (TTGP), LTD.2,798,951$29.5M0.24%013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,037,431$21.5M<0.01%+168,99913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,955,564$20.6M<0.01%+52,03313F-HRTimelineGroup
INSTITUTIONAL VENTURE MANAGEMENT XV, LLC1,895,531$20M9.05%013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson1,645,539$17.4M0.01%+12,55913F-HRTimelineGroup
Optimus Prime Fund Management Co., Ltd.1,580,100$16.7M1.79%013F-HRTimeline
ArrowMark Colorado Holdings LLC1,579,529$16.7M0.22%+96,79113F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp955,293$10.1M<0.01%+15,23913F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP769,189$8.11M<0.01%+88,22713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY749,471$7.91M<0.01%-799,43013F-HR/ATimelineGroup
CenterBook Partners LP738,504$7.79M0.47%-51,57413F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co683,405$7.21M<0.01%+31,80013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\557,247$5.88M<0.01%-417,29313F-HR/ATimelineGroup
Cerity Partners LLCin group Cerity Partners LLC455,368$4.8M0.01%-5,25613F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding444,816$4.69M+255,584Timeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.409,523$4.32M0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/356,001$3.76M<0.01%+41,22913F-HRTimelineGroup
MONIMUS CAPITAL MANAGEMENT, LP344,103$3.63M3.42%13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO307,225$3.24M<0.01%+223,17513F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC295,892$3.12M<0.01%+22,02413F-HRTimelineGroup
TD Asset Management Inc283,286$2.99M<0.01%+36,63213F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC219,500$2.32M<0.01%+8,20013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP207,143$2.19M<0.01%new13F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC201,946$2.13M<0.01%+103,53813F-HRTimelineGroup
Vishria Bird Financial Group, LLC198,831$2.1M0.74%013F-HRTimeline
M&T Bank Corpin group M&T Bank Corp182,712$1.93M0.01%+26,02413F-HRTimelineGroup
Nuveen Asset Management, LLCin group TIAA178,943$1.89M<0.01%013F-HRTimelineGroup
Horrell Capital Management, Inc.178,000$1.88M0.55%013F-HRTimeline
Circumference Group LLC178,000$1.88M1.75%013F-HRTimeline
HarbourVest Partners LLC153,018$1.61M0.8%013F-HRTimeline
Swiss National Bank151,200$1.6M<0.01%+3,40013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP146,366$1.54M<0.01%-10,41113F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding143,496$1.51M+127,252Timeline
Kera Capital Partners, Inc.142,007$1.5M0.43%13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC141,020$1.49M<0.01%+12,48313F-HR/ATimelineGroup
Savant Capital, LLCin group Savant Capital, LLC137,910$1.45M0.01%new13F-HRTimelineGroup
Trexquant Investment LP114,571$1.21M0.01%new13F-HRTimeline
Utah Retirement Systems112,834$1.19M0.01%-28,60013F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC110,527$1.17M<0.01%-59,31213F-HRTimeline
ALLIANCEBERNSTEIN L.P.109,888$1.16M<0.01%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC102,600$1.08M<0.01%+15,92713F-HRTimelineGroup
RHUMBLINE ADVISERS101,954$1.08M<0.01%+1,04013F-HR/ATimeline
PDT Partners, LLC99,240$1.05M0.09%013F-HRTimeline
Thrive Capital Management, LLC85,640$904K0.15%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc82,998$876K<0.01%+12,93513F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…71,992$760K<0.01%+81813F-HR/ATimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC67,849$716K<0.01%new13F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …66,748$704K<0.01%+15613F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd66,462$701K0.06%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC66,419$701K<0.01%+10,97213F-HRTimelineGroup
Cresset Asset Management, LLC54,113$571K<0.01%-57213F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.48,496$512K<0.01%-15,92813F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…47,503$501K<0.01%+4,83913F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…44,361$468K<0.01%+2,51213F-HRTimelineGroup
Stanley-Laman Group, Ltd.43,305$457K0.06%-10,38513F-HRTimeline
SG Americas Securities, LLC42,107$444K<0.01%+5,72613F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP41,365$436K0.08%+83213F-HRTimeline
IEQ CAPITAL, LLC41,097$434K<0.01%-43413F-HRTimeline
Verition Fund Management LLC40,411$426K<0.01%+10,22413F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN39,988$422K<0.01%+12,98313F-HRTimelineGroup
Creative Planningin group Creative Planning39,712$419K<0.01%+13,54613F-HRTimelineGroup
HighTower Advisors, LLC39,150$413K<0.01%013F-HRTimeline
Corebridge Financial, Inc.in group Corebridge Financial, Inc.38,837$410K<0.01%-2,00713F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC38,232$403K0.05%-7,85613F-HRTimelineGroup
Cedar Wealth Management, LLC37,415$395K0.14%-45013F-HRTimeline
STRS OHIO32,500$343K<0.01%-20,50013F-HRTimeline
Parallel Advisors, LLC31,764$335K0.01%013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/31,045$328K<0.01%+6,04613F-HRTimeline
Blue Trust, Inc.30,783$325K<0.01%+11,26513F-HR/ATimeline
State of Wyoming30,020$317K0.04%+27,26913F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…29,572$312K<0.01%+4,45113F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …29,140$307K<0.01%-79313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS28,146$297K<0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC28,015$296K<0.01%+13,75413F-HRTimeline
Cambridge Investment Research Advisors,…26,723$282K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC26,475$279K<0.01%+5513F-HR/ATimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…25,688$271K<0.01%+3,54213F-HRTimeline
Connor, Clark & Lunn Investment Managem…23,845$252K<0.01%new13F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND23,680$250K<0.01%+10,50013F-HR/ATimeline
Invesco Ltd.in group Invesco Ltd.23,557$249K<0.01%+74113F-HRTimelineGroup
Jasper Ridge Partners, L.P.23,005$243K0.01%013F-HRTimeline
Engineers Gate Manager LP22,436$237K<0.01%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM22,281$235K<0.01%+62713F-HRTimeline
ProShare Advisors LLC22,000$232K<0.01%+7,56513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…19,470$205K<0.01%013F-HRTimeline
ANTIPODES PARTNERS Ltd18,081$191K0.01%+8,59913F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…17,737$187K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…16,872$178K<0.01%13F-HRTimeline
KLP KAPITALFORVALTNING AS16,200$171K<0.01%13F-HRTimeline
Centiva Capital, LP13,880$146K0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC13,751$145K<0.01%-139,12313F-HRTimelineGroup
Woodline Partners LP13,078$138K<0.01%-81,14513F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC12,432$131K<0.01%-6,43813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC12,266$129K<0.01%new13F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC11,917$126K0.02%-20713F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP11,472$121K0.02%new13F-HRTimeline
National Philanthropic Trust11,030$116K<0.01%new13F-HRTimeline
CATALYST PRIVATE WEALTH, LLC10,921$115K0.05%013F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE10,600$112K<0.01%013F-HRTimelineGroup
Meros Investment Management, LP9,666$102K0.05%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…8,172$86.2K<0.01%+1,49213F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD7,100$74.9K<0.01%+5,10013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…4,363$46K<0.01%-98813F-HRTimelineGroup
Aquatic Capital Management LLC4,147$43.8K<0.01%+2,64713F-HRTimeline
Headlands Technologies LLC3,609$38.1K<0.01%new13F-HRTimeline
CWM, LLCin group CWM, LLC3,466$37K<0.01%+61713F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA2,816$30K<0.01%-7,33413F-HRTimelineGroup
AMALGAMATED BANK2,311$24K<0.01%013F-HRTimeline
R Squared Ltd1,940$20.5K0.02%13F-HRTimeline
Coppell Advisory Solutions LLC1,749$17.9K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,687$17.8K<0.01%-2013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,506$15.9K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,416$14.9K<0.01%-1,41313F-HRTimelineGroup
MONTAG A & ASSOCIATES INC1,000$10.6K<0.01%013F-HRTimeline
Versant Capital Management, Inc894$9.43K<0.01%+62313F-HRTimeline
Quarry LP655$6.91K<0.01%new13F-HRTimeline
OPTIMUM INVESTMENT ADVISORS650$6.86K<0.01%+60013F-HRTimeline
Clearstead Advisors, LLC442$4.66K<0.01%013F-HRTimeline
SIGNATUREFD, LLC409$4.32K<0.01%+15513F-HRTimeline
Federation des caisses Desjardins du Qu…370$3.9K<0.01%013F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/341$3.6K<0.01%-5013F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.330$3.52K<0.01%013F-HRTimelineGroup
Murphy & Mullick Capital Management Corp250$2.64K<0.01%13F-HRTimeline
SBI Securities Co., Ltd.242$2.55K<0.01%13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.102$1.08K<0.01%+6013F-HR/ATimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP100$1.05K<0.01%new13F-HRTimelineGroup
Ulland Investment Advisors, LLC50$1K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…91$960<0.01%new13F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC85$897<0.01%-4013F-HRTimeline
Sterling Capital Management LLC79$833<0.01%013F-HRTimeline
Brooklyn Investment Group78$823<0.01%new13F-HRTimeline
Lindbrook Capital, LLC53$559<0.01%013F-HRTimeline
Allworth Financial LP33$365<0.01%new13F-HRTimeline
GAMMA Investing LLC14$148<0.01%new13F-HRTimeline
HHM Wealth Advisors, LLC12$127<0.01%013F-HRTimeline
Larson Financial Group LLC10$106<0.01%013F-HRTimeline
IFP Advisors, Inc9$95<0.01%new13F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…2$21<0.01%013F-HRTimelineGroup
Covestor Ltd13$00%+113F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.

Events

  • Schultz Erica acquired 892 AMPL shares on 2026-10-05, Form 4 filed 2026-10-07. 0001610717-26-000433

    Accepted , ingested

  • Tzuo Tien acquired 818 AMPL shares on 2026-10-05, Form 4 filed 2026-10-07. 0001610717-26-000432

    Accepted , ingested

  • Skates Spenser reported transactions in AMPL shares with no net change in a Form 4 filed 2026-10-06. 0001610717-26-000427

    Accepted , ingested