QUANTUMSPHERE ACQUISITION CO

QUMS (QUANTUMSPHERE ACQUISITION CO) is held by 9 institutional investors as of Q2 2026. Largest holders: WOLVERINE ASSET MANAGEMENT LLC ($6.2M), D. E. Shaw & Co., Inc. ($4.2M), LINDEN ADVISORS LP ($4.1M). Net institutional sentiment: Bearish.

9

Holders

$21.3M

Total Value

0% (6)

Consensus

0 buying - 6 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

QU

Smart Money Verdict

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Institutional (13F)35

Insider (Form 4)44

Activist (13D/13G)46

Congressional (STOCK Act)33

Holder Quality

31

★★★★★

Elite

31

★★★★

Strong

39

★★★

Solid

77

★★

Below

64

★

Weak

Held by 9 funds

Who's Trading

Source dates: Price Sep 21, 2026 · Insiders none · Activists Aug 6, 2026 · Congress none

ActivistWRW. R. Berkley Corporation7.7%Aug 6, 2026

ActivistHIHighbridge Capital Management, LLC0.0%Feb 17, 2026

ActivistMFMizuho Financial Group, Inc.6.3%Feb 12, 2026

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Top Holders

Top Holders (9)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
WAWOLVERINE ASSET MANAGEMENT LLC	Decreased	602,984(-0.2%)	$6.2M	0.1%	+3.37%	0
DED. E. Shaw & Co., Inc.	Unchanged	409,860	$4.2M	0.0%	+3.40%	0
LALINDEN ADVISORS LP	Unchanged	400,000	$4.1M	0.0%	+3.40%	0
Hudson Bay Capital Management LP	Unchanged	235,000	$2.4M	0.0%	+3.82%	0
Clear Street Group Inc.	Decreased	164,793(-5.8%)	$1.7M	0.0%	+3.40%	0
BNP PARIBAS FINANCIAL MARKETS	Unchanged	115,048	$1.2M	0.0%	+3.32%	0
TORONTO DOMINION BANK	Decreased	100,000(-62.4%)	$1M	0.0%	+3.16%	0
Schonfeld Strategic Advisors LLC	Unchanged	55,000	$562,100	0.0%	+3.40%	0
MORGAN STANLEY	Decreased	53(-15.9%)	$542	0.0%	+3.02%	0
TWO SIGMA INVESTMENTS, LP	Exited	0(-100.0%)	$357,145	0.0%	+2.20%	0
Virtu Financial LLC	Exited	0(-100.0%)	$226,000	0.0%	+2.45%	0

QUQUMSQUANTUMSPHERE ACQUISITION CO

1M3M6M1Y3Y5Y

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer