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SC 13G ·Filed Oct 30, 2026

AGX

ARGAN INC
NEUTRAL
Impact 3/10
Horizonimmediate Processed2d 10h ago SEC0002100119-26-001551
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor future 13G amendments for stake increases above 5.09%, which would signal growing passive conviction. No activist intent is indicated, so no near-term governance changes are expected from this holder.

DirectionNeutral
Confidencehigh
Horizonimmediate

Price Chart

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Executive Summary

Vanguard Capital Management LLC filed a new Schedule 13G disclosing a 5.09% passive stake in Argan Inc as of September 30, 2026. The filing certifies passive intent and no prior SC 13G from this entity was found in the provided context, making this a new position. The stake is modestly above the 5% threshold and held by a large index/asset manager, indicating routine portfolio weighting rather than active conviction.

Key Financial Metrics

Stake
5.09%
Investor
Vanguard Capital Management LLC
Investor Type
mutual fund

Key Facts

  • Vanguard Capital Management LLC disclosed beneficial ownership of 715,063 shares of Argan Inc common stock
  • Stake represents 5.09% of shares outstanding as of September 30, 2026
  • Filing is a new Schedule 13G (not an amendment), indicating a new 5%+ position
  • Filer certifies passive intent under Rule 13d-1(b) with no control influence purpose
  • Vanguard Capital Management is an investment adviser managing index funds and managed accounts

Financial Impact

Stake valued at approximately $249M based on market cap of $4.9B and 5.09% ownership

ownership

Risk Factors

  • Passive 13G status could convert to 13D if Vanguard engages in control-related activities, though unlikely given its index fund mandate
  • Large passive holder may support management in proxy votes, reducing likelihood of activist success

Market Snapshot

Exchange
NYSE
Sector
Construction - Special Trade Contractors
Analyst Consensus
67% bullish (12 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0002100119-26-001551
Document: 0002100119-26-001551-index.html0002100119-26-001551
Document: 0002100119-26-001551.txt0002100119-26-001551
12 reports for AGX
Performance horizon
50% Hit rate @ T+20 3 of 6 directional calls Went positive at some point 4 of 6 best @ T+60▲ +47.39%Jun 17, 2026
Filters
Rows
Reports for AGX, sortable and filterable
TypeNow
Oct 30, 2026
2d ago
SC 13G
NEUTRAL ★ 3/10
$338.82awaiting T+20awaiting T+20$344.11 (+1.56%)
Sep 2, 2026
8w ago
8-K
BULLISH ★ 6/10
$411.77 $377.95▼ −8.21%▼ −7.09%$344.11 (−16.43%)
Aug 3, 2026
12w ago
Institutional Cluster
MIXED ★ 4/10
$592.66 $424.99▼ −28.29%▼ −29.53%$344.11 (−41.94%)
Jun 17, 2026
19w ago
Insider Cluster
BEARISH ★ 5/10
$738.85 $547.51▲ +25.90%▲ +26.43%$344.11 (+53.43%)
Jun 16, 2026
19w ago
Insider Cluster
BEARISH ★ 6/10
$719.52 $547.51▲ +23.91%▲ +25.22%$344.11 (+52.18%)
Jun 10, 2026
20w ago
8-K
NEUTRAL ★ 3/10
$623.66 $687.49▲ +10.23%▲ +8.34%$344.11 (−44.82%)
Jun 4, 2026
21w ago
8-K
BULLISH ★ 7/10
$694.72 $725.23▲ +4.39%▲ +2.53%$344.11 (−50.47%)
Apr 21, 2026
27w ago
DEFA14A
NEUTRAL ★ 3/10
$651.68 $639.58▼ −1.86%▼ −5.02%$344.11 (−47.20%)
Apr 21, 2026
27w ago
Insider Cluster
NEUTRAL ★ 4/10
$614.92 $664.76▲ +8.11%▲ +3.19%$344.11 (−44.04%)
Apr 13, 2026
29w ago
Insider Cluster
BEARISH ★ 7/10
$597.95 $683.52▼ −14.31%▼ −6.58%$344.11 (+42.45%)
Showing 10 of 12

US Market Status

Market Closed · Opens Tue (13h 8m)

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Report published Oct 30, 2026