AMPRIUS TECHNOLOGIES INC

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AMPX·03214Q108·US·equity·Industrials - Electrical Equipment & Parts-13D/G

AMPX (AMPRIUS TECHNOLOGIES INC) is held by 127 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($155.5M), JANE STREET GROUP, LLC ($70.1M), DRIEHAUS CAPITAL MANAGEMENT LLC ($64M). Net institutional sentiment: Bullish.

127

Holders

Avg rating(11 Elite)

$1.1B

Total Value

68% (138)

Fund Consensus

92 buying - 43 selling

Smart Money Verdict

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43Weak MomentumSplit Signals

Institutional (13F)68

Insider (Form 4)0

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how AMPX's score breaks down across 4 SEC sources

Holder Quality

11

★★★★★

Elite

40

★★★★

Strong

39

★★★

Solid

36

★★

Below

11

★

Weak

Held by 127 funds

11 elite

Who's Trading

InsiderSKSun KangVest 6K shMay 5, 2026

ActivistJANE STREET GROUP, LLC5.1%Apr 28, 2026

InsiderSKSun KangSell $19.7MApr 1, 2026

InsiderUNUnknownSell $4.2MApr 1, 2026

ActivistThe Vanguard Group0.0%Mar 26, 2026

InsiderSKSun KangSell $2.9MMar 23, 2026

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (127)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	9.2M(+4.5%)	$155.5M	0.0%	+163.93%	32
JANE STREET GROUP, LLC	Increased	4.2M(+1849.5%)	$70.1M	0.0%	+45.66%	48
DRIEHAUS CAPITAL MANAGEMENT LLC	Increased	3.8M(+58.5%)	$64M	0.5%	+52.84%	50
TWO SIGMA INVESTMENTS, LP	Increased	3.5M(+144.0%)	$59.1M	0.0%	+89.00%	48
MORGAN STANLEY	Increased	3.2M(+12.5%)	$53.3M	0.0%	+157.36%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.8M(+5.1%)	$47.5M	0.0%	+154.65%	31
STATE STREET CORP	Increased	2.7M(+6.2%)	$45.7M	0.0%	+129.98%	31
UBS Group AG	Increased	2.3M(+10.1%)	$39M	0.0%	+122.45%	32
GOLDMAN SACHS GROUP INC	Increased	2.2M(+1.4%)	$37.5M	0.0%	+99.94%	29
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	New	2M	$34.1M	0.0%	+44.88%	40
Baird Financial Group, Inc.	Increased	1.6M(+104.9%)	$26.7M	0.0%	+120.73%	46
CITADEL ADVISORS LLC	Increased	1.4M(+216.3%)	$24.3M	0.0%	+51.95%	46
MWMARSHALL WACE, LLP	New	1.2M	$20.7M	0.0%	+44.88%	39
Qube Research & Technologies Ltd	Increased	1.2M(+40.4%)	$20.7M	0.0%	+88.81%	38
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Increased	1.2M(+18.8%)	$19.7M	0.1%	+99.85%	33
DED. E. Shaw & Co., Inc.	New	1.1M	$18.1M	0.0%	+44.88%	39
JPMORGAN CHASE & CO	Increased	1.2M(+1357.4%)	$17.9M	0.0%	+51.66%	46
BARCLAYS PLC	Increased	1.1M(+124.5%)	$17.8M	0.0%	+79.08%	46
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	1M(+0.2%)	$17.5M	0.0%	+136.36%	28
MILLENNIUM MANAGEMENT LLC	Decreased	1M(-4.6%)	$17.5M	0.0%	+203.70%	0

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer