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ARCIU

Archimedes Tech SPAC Partners III Co.
Nasdaq· Blank Checks· Inc. E9· CIK 0002083910 Traditional Finance
Units of Archimedes Tech SPAC Partners III Co. · ARCI stock page →
$10.24 +0.00 (+0.00%)
Oct 26 4:00 PM ET · prev $10.24
Since first trade
+1.1%
from $10.13 · Jan 23
30 days
−0.0%
from $10.24
Range since listing
$9.99–10.43
−2% from high · low Apr 10
Avg volume 20D
65
Oct 5 spike 900
Short interest
🔒 Subscribers only
New fund stakes
0
Q2 2026 13F · 1 exit
SecBot read MIXED 1 report · latest
Balance 0 bearish · 0 bullish · 1 neutral oldest → newest, height = score
Avg score ·High conf. 1/1
Strongest NEUTRAL Archimedes Tech SPAC Partners III Co. announced that starting March 16, 2026, holders of its units (ARCIU)…
All reports →

Price

Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.

  • X Sep 15 Short interest falls 58.7% to 441
  • X Sep 30 Short interest falls 39.0% to 269

Signal stack

Where each data set points today.

  • InstitutionsMIXED

    Q2 2026: 2 added (0 new), 2 trimmed or exited.

  • TrendDOWNTREND

    1% below its 50-day average.

Who's buying

13F· Q2 2026
0
new positions
1
exit
FundMoveSharesValue
TORONTO DOMINION BANKDOUBLED646,217$6.6M
MILLENNIUM MANAGEMENT LLCTRIM179,743$1.8M
Clear Street Group Inc.DOUBLED34,256$349.1K
Alberta Investment Management CorpEXIT0$0.00

Quarterly 13F filings are due 45 days after each quarter ends.

Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Recent
Mar 10, 2026
Announcement
Archimedes Tech SPAC Partners III Co. Announces the Separate Trading of its Ordinary Shares and Warrants Commencing March 16, 2026
CLAYMONT, DE, March 10, 2026 (GLOBE NEWSWIRE) -- Archimedes Tech SPAC Partners III Co. (Nasdaq: ARCIU) (the “Company”) today announced that…

Earnings setup

Estimates
PeriodEPS est.Range30D rev.Revenue
Current Q———$0.00
Next Q———$0.00
Current FY———$0.00
Next FY———$0.00

Short side

FINRA· Oct 15, 2026
🔒 Subscribers only
shares short
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Jun 30, 2026 Inst.
TORONTO DOMINION BANK — DOUBLED
646,217 shares ($6.6M)
Jun 30, 2026 Inst.
MILLENNIUM MANAGEMENT LLC — TRIM
179,743 shares ($1.8M)
Mar 10, 2026 Press
Archimedes Tech SPAC Partners III Co. announced that starting March 16, 2026, holders of its units (ARCIU) can…
Impact 3/10
Mar 10, 2026 Announcement
Archimedes Tech SPAC Partners III Co. Announces the Separate Trading of its Ordinary Shares and Warrants Commencing March 16, 2026
CLAYMONT, DE, March 10, 2026 (GLOBE NEWSWIRE) -- Archimedes Tech SPAC Partners III Co. (Nasdaq: ARCI

SecBot reports

All ARCIU filing & press-release reports (1)