ARTIUS II ACQUISITION INC

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AACB·G0509J115·US·Common Stock·Financial Services - Shell Companies-13D/G

AACB (ARTIUS II ACQUISITION INC) is held by 23 institutional investors as of Q2 2026. Largest holders: LINDEN ADVISORS LP ($10.5M), Alberta Investment Management Corp ($10.3M), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($8.9M). Net institutional sentiment: Bearish.

23

Holders

$103.8M

Total Value

14% (7)

Consensus

1 buying - 6 selling

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

Smart Money Verdict

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Institutional (13F)30

Insider (Form 4)52

Activist (13D/13G)67

Congressional (STOCK Act)48

Holder Quality

74

★★★★★

Elite

68

★★★★

Strong

82

★★★

Solid

40

★★

Below

53

★

Weak

Held by 23 funds

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders none · Activists Feb 17, 2026 · Congress none

ActivistHIHGC Investment Management Inc6.8%Feb 17, 2026

ActivistPAPolar Asset Management Partners Inc.3.6%Feb 17, 2026

ActivistHealthcare of Ontario Pension Plan Trust Fund3.8%Feb 13, 2026

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Top Holders

Top Holders (23)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
LALINDEN ADVISORS LP	Unchanged	1M	$10.5M	0.1%	+4.85%	0
Alberta Investment Management Corp	Unchanged	980,000	$10.3M	0.1%	+4.85%	0
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	Unchanged	850,000	$8.9M	0.0%	+4.85%	0
PICTON MAHONEY ASSET MANAGEMENT	Unchanged	750,000	$7.9M	0.1%	+4.85%	0
TWO SIGMA INVESTMENTS, LP	Unchanged	725,000	$7.6M	0.0%	+4.85%	0
Magnetar Financial LLC	Unchanged	600,000	$6.3M	0.1%	+4.85%	0
DED. E. Shaw & Co., Inc.	Unchanged	600,000	$6.3M	0.0%	+4.85%	0
Hudson Bay Capital Management LP	Unchanged	550,000	$5.8M	0.0%	+2.82%	0
MOORE CAPITAL MANAGEMENT, LP	Unchanged	500,000	$5.2M	0.1%	+4.85%	0
Sculptor Capital LP	Unchanged	500,000	$5.2M	0.0%	+4.85%	0
HBK INVESTMENTS L P	Unchanged	499,998	$5.2M	0.1%	+4.85%	0
GOLDMAN SACHS GROUP INC	Unchanged	462,806	$4.9M	0.0%	+4.85%	0
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	Unchanged	398,075	$4.2M	0.0%	+4.85%	0
TORONTO DOMINION BANK	Increased	375,190(+66.8%)	$3.9M	0.0%	+2.55%	39
Verition Fund Management LLC	Decreased	257,357(-27.4%)	$2.7M	0.0%	+3.00%	0
Schonfeld Strategic Advisors LLC	Unchanged	245,631	$2.6M	0.0%	+4.59%	0
Jain Global LLC	Decreased	202,091(-44.9%)	$2.1M	0.0%	+4.85%	0
MILLENNIUM MANAGEMENT LLC	Unchanged	200,000	$2.1M	0.0%	+4.03%	0
Centiva Capital, LP	Unchanged	100,000	$1M	0.0%	+4.85%	0
BNP PARIBAS FINANCIAL MARKETS	Unchanged	55,222	$578,727	0.0%	+2.42%	0

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AACBARTIUS II ACQUISITION INC

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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