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Disclosery

AMPX AMPRIUS TECHNOLOGIES INC

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Stock (common), issuer CIK 1899287

99 managers (101 13F filers) reported a position in AMPX shares at 2025-03-31, 20,839,120 shares in all. 30 filers opened a position and 21 filers sold out during the quarter.

Managers
99
13F filers
101
New
30
Added
35
Reduced
15
Sold out
21
Shares held by filers
20,839,120

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

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, 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 INCgroup of 2 filers holding4,877,398$13.1M+685,362Timeline
Board of Trustees of The Leland Stanfor…1,457,557$3.91M0.33%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC1,396,013$3.74M<0.01%+678,44213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.1,166,556$3.13M<0.01%-1,318,10613F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,110,121$2.98M<0.01%+934,65313F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.1,074,052$2.88M<0.01%+502,46913F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP951,937$2.55M<0.01%+898,30213F-HRTimelineGroup
ESSEX INVESTMENT MANAGEMENT CO LLC935,815$2.51M0.52%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP900,783$2.41M<0.01%+5,02313F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…823,160$2.21M<0.01%+155,23913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC594,958$1.6M<0.01%+14,13913F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.500,499$1.34M<0.01%new13F-HRTimelineGroup
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …491,378$1.32M0.02%+374,22813F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding455,578$1.22M-33,433Timeline
STATE STREET CORPin group STATE STREET CORP416,443$1.12M<0.01%+32,95813F-HRTimelineGroup
Legato Capital Management LLC277,553$744K0.1%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co257,943$691K<0.01%+59,50113F-HR/ATimelineGroup
Blackstone Inc.in group Blackstone Inc.257,923$691K<0.01%013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC244,646$656K<0.01%+137,64013F-HR/ATimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP214,427$575K<0.01%+6,00713F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC195,000$523K0.01%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY183,638$492K<0.01%+42,59313F-HRTimelineGroup
Apis Capital Advisors, LLC166,000$445K0.22%new13F-HRTimeline
HITE Hedge Asset Management LLC161,444$433K0.03%new13F-HRTimeline
LPL Financial LLC122,859$329K<0.01%+11,47413F-HRTimeline
FNY Investment Advisers, LLC111,252$298K0.18%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC105,983$284K<0.01%-152,63513F-HR/ATimelineGroup
HRT FINANCIAL LP96,011$257K<0.01%new13F-HRTimeline
GROUP ONE TRADING LLC89,901$241K0.01%-58,51713F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/84,154$226K<0.01%+71,26413F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC77,764$208K<0.01%+36,11613F-HRTimelineGroup
Lexington Partners L.P.76,764$206K1.93%013F-HRTimeline
Verition Fund Management LLC68,298$183K<0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA65,459$176K<0.01%+39,81313F-HR/ATimelineGroup
Jump Financial, LLCin group Jump Financial, LLC64,796$174K<0.01%new13F-HR/ATimelineGroup
ALLIANCEBERNSTEIN L.P.58,460$157K<0.01%013F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC55,071$148K<0.01%new13F-HRTimelineGroup
B. Riley Wealth Advisors, Inc.46,500$125K<0.01%+1,00013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD46,100$124K<0.01%new13F-HRTimeline
SIMPLEX TRADING, LLC46,103$123K<0.01%new13F-HRTimeline
AXQ CAPITAL, LP39,994$107K0.04%+24,33913F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC36,175$96.9K<0.01%-8,28513F-HR/ATimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp31,554$84.6K<0.01%+20,66013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\30,931$82.9K<0.01%013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC29,407$78.8K<0.01%new13F-HRTimelineGroup
Nuveen, LLCin group TIAA23,300$62.4K<0.01%13F-HRTimelineGroup
MIdWestOne Financial Group, Inc.17,593$47.1K0.01%new13F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth15,984$42.8K<0.01%+413F-HR/ATimelineGroup
RHUMBLINE ADVISERS15,690$42K<0.01%+5,95113F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…15,428$41.3K<0.01%+10,66813F-HRTimelineGroup
CORNERSTONE PARTNERS CAPITAL MANAGEMENT…15,353$41.1K0.09%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC15,329$41.1K<0.01%new13F-HRTimelineGroup
ExodusPoint Capital Management, LP15,336$41K<0.01%new13F-HRTimeline
Cannell & Spears LLC15,055$40.3K<0.01%-11,21513F-HRTimeline
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …14,970$40.1K<0.01%new13F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC14,400$38.6K<0.01%-750,70013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC12,157$32.6K<0.01%-3,35113F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND12,037$32.3K<0.01%013F-HR/ATimeline
Belvedere Trading LLC12,017$32.2K<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN11,342$30.4K<0.01%-99813F-HRTimelineGroup
Orion Porfolio Solutions, LLC10,239$27.4K<0.01%new13F-HRTimeline
Orion Portfolio Solutions, LLC10,239$27.4K<0.01%new13F-HR/ATimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO10,229$27.4K<0.01%013F-HR/ATimelineGroup
CLEAR STREET LLC10,000$26.8K<0.01%-4,94213F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…9,833$26.4K<0.01%+39013F-HRTimelineGroup
FMR LLCin group FMR LLC8,873$23.8K<0.01%+3,61713F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO8,363$22.4K<0.01%+85313F-HRTimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.8,041$21.6K<0.01%+23013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS5,747$15.4K<0.01%-2,63013F-HRTimelineGroup
Parallel Advisors, LLC5,242$14K<0.01%new13F-HRTimeline
CWM, LLCin group CWM, LLC4,934$13K<0.01%+3,13313F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,228$11.3K<0.01%-22613F-HRTimelineGroup
Farther Finance Advisors, LLC3,985$10.3K<0.01%+3,96213F-HRTimeline
SUMMIT SECURITIES GROUP LLC2,479$6.64K<0.01%new13F-HRTimeline
EASTERN BANK2,000$5.36K<0.01%013F-HRTimeline
DHJJ Financial Advisors, Ltd.2,000$5.36K<0.01%013F-HRTimeline
Brooklyn Investment Group1,986$5.32K<0.01%new13F-HRTimeline
Kestra Advisory Services, LLCgroup of 2 filers holding1,500$4.02K+1,490Timeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,301$3.49K<0.01%-11013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,200$3.22K<0.01%+71513F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,015$2.72K<0.01%013F-HRTimeline
STRS OHIO1,000$2.68K<0.01%013F-HRTimeline
AMERIFLEX GROUP, INC.1,000$2.68K<0.01%013F-HRTimeline
AMALGAMATED BANK566$2K<0.01%+38513F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc699$1.88K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…444$1.19K<0.01%013F-HRTimelineGroup
DELTA ASSET MANAGEMENT LLC/TN350$938<0.01%+15013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\341$914<0.01%new13F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC224$600<0.01%-5413F-HRTimeline
Steward Partners Investment Advisory, L…222$595<0.01%013F-HRTimeline
WealthTrak Capital Management LLC130$349<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…87$233<0.01%new13F-HRTimelineGroup
Allworth Financial LP81$202<0.01%new13F-HRTimeline
IFP Advisors, Inc66$177<0.01%+5713F-HRTimeline
Arax Advisory Partners60$161<0.01%new13F-HRTimeline
HOLLENCREST CAPITAL MANAGEMENT40$107<0.01%013F-HRTimeline
Sterling Capital Management LLC14$38<0.01%013F-HRTimeline
True Wealth Design, LLC13$35<0.01%new13F-HRTimeline
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.