AACB

Artius II Acquisition Inc-A$10.53 0.00%
FinancialsUSCUSIP G0509J115· EOD Jul 31, 2026◍ Confluence graph
Tracked 13F Holders
41
-39 QoQ
13F Value (tracked)
$193.7M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)7 adding · 5 trimming
Insider net (180d)$0

Price & smart-money activity

$10.53 0.00%1Y +6.6%
$9.82$10.02$10.23$10.43$10.63Apr 2025JulOctJan 2026AprJul21777665
Hover for who · click for detailEnd-of-day closing prices52w $10.11 – $10.57

Who owns AACB?

41 tracked 13F filers

41 tracked 13F filers disclose a position in AACB as of the latest SEC 13F filings, a combined $193.7M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundPosition valueSharesLast moveAs ofHistory
1HGC Investment Management Inc.
$15.5M
1.5M
Held
Q1 2026
2AQR Arbitrage LLC
$14.8M
1.4M
−3.9%
Reduced · −58K sh
Q1 2026
3LINDEN ADVISORS LP
$10.3M
1.0M
Held
Q1 2026
4Westchester Capital Management, LLC
$10.3M
996K
Held
Q1 2026
5Alberta Investment Management Corp
$10.1M
980K
Held
Q1 2026
6HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
$8.8M
850K
Held
Q1 2026
7Polar Asset Management Partners Inc.
$8.3M
800K
−1.5%
Reduced · −12K sh
Q1 2026
8PICTON MAHONEY ASSET MANAGEMENT
$7.8M
750K
Held
Q1 2026
9TWO SIGMA INVESTMENTS, LP
$7.5M
725K
Held
Q1 2026
10Radcliffe Capital Management, L.P.
$7.0M
679K
+1.7%
Added · +12K sh
Q1 2026
11Magnetar Financial LLC
$6.2M
600K
Held
Q1 2026
12D. E. Shaw & Co., Inc.
$6.2M
600K
Held
Q1 2026
13Shaolin Capital Management LLC
$5.7M
550K
+12%
Added · +60K sh
Q1 2026
14Hudson Bay Capital Management LP
$5.7M
550K
Held
Q1 2026
15MOORE CAPITAL MANAGEMENT, LP
$5.2M
500K
Held
Q1 2026
16Sculptor Capital LP
$5.2M
500K
Held
Q1 2026
17HBK INVESTMENTS L P
$5.2M
500K
Held
Q1 2026
18GOLDMAN SACHS GROUP INC
$4.8M
463K
Held
Q1 2026
19COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
$4.1M
398K
−0.5%
Reduced · −2K sh
Q1 2026
20BERKLEY W R CORP
$4.1M
397K
Held
Q1 2026
21First Trust Capital Management L.P.
$3.9M
380K
Held
Q1 2026
22Jain Global LLC
$3.8M
367K
−27%
Reduced · −133K sh
Q1 2026
23MANGROVE PARTNERS IM, LLC
$3.7M
356K
−21%
Reduced · −94K sh
Q1 2026
24Verition Fund Management LLC
$3.7M
355K
−0.7%
Reduced · −3K sh
Q1 2026
25RIVERNORTH CAPITAL MANAGEMENT, LLC
$3.1M
298K
Held
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is AACB being bought or sold by institutions?

Last quarter, 1 fund opened a new position in AACB and 6 added to an existing one, while 5 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
6
funds
Reduced
5
funds
Exited
0
funds

Funds that own AACB also own

CompanyCo-held byCombined value
CANTOR EQUITY PARTNERS-CL ACEPV30 funds$126.8M
GORES HOLDINGS X INC-CL AGTEN28 funds$233.9M
CANTOR EQUITY PARTNERS-CL ACEPF28 funds$168.8M
EQV VENTURES ACQUISITION C-AEVAC26 funds$220.8M
SOULPOWER ACQUISITION CO-ASOUL26 funds$150.5M
CAL REDWOOD ACQUISIT-CL ACRAQ26 funds$141.0M
PIONEER ACQUISITION I-CL APACH26 funds$129.9M
OXLEY BRIDGE ACQUISITIO-CL AOBA26 funds$123.2M
AXIOM INTELLIGENCE-CL AAXIN26 funds$120.1M
NEWHOLD INVESTMENT COR III-ANHIC26 funds$119.1M
1RT ACQUISITION CORP-AONCH26 funds$76.8M
K&F GROWTH ACQUISITION COR-AKFII25 funds$188.0M

Ranked by how many of AACB's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.

Institutional ownership over time

1 funds-28 since Q2 2025
02040Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $1.2M

Share classes

Class13F holdersValue held
AACBthis pageSHSCL41 funds$193.7M
AACBRSPACS28 funds$5.6M
AACBUUNIT 11/27/20293 funds$4.8M

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

Keep exploring

Connected entities for AACB

Browse more

Build

Ask your agent what changed in AACB

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/AACB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for AACB.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AACB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.