Stock listing
NASDAQ:ATII Archimedes Tech SPAC Partners II Co. Stock
Home listing (NASDAQ) of Archimedes Tech SPAC Partners II Co.
Follow Archimedes Tech SPAC Partners II Co. into a list and get an email when it puts out news.
Share price · NASDAQ:ATII
$4.12 USD -0.04 (-1.0%)
Close on Oct 30, 2026
- Day range
- $3.70 – $4.23 USDOct 30, 2026
- Volume
- 204,500 sharesOct 30, 2026
- Market cap
- $121.9M USDAt the close on Oct 30, 2026 · price × 29.59M shares outstanding
- 52-week range
- $3.57 – $11.96 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $2.75M USDMedian day 141,900 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ATII · Home | $4.12 USD | -0.04 (-1.0%) | 204,500 | $3.90 | $4.23 | $3.70 | $4.16 | Close on Oct 30, 2026 |
| NASDAQ:ATIIU | $8.20 USD | 0.00 (0.0%) | 1,121 | $8.20 | $9.01 | $8.20 | $8.20 | Close on Oct 22, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:ATII · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $4.12 | -0.04 | -1.0% | $3.90 | $4.23 | $3.70 | 204,500 | |
| $4.16 | -0.06 | -1.4% | $4.38 | $4.59 | $3.57 | 432,900 | |
| $4.22 | -0.45 | -9.6% | $4.66 | $5.00 | $3.90 | 260,200 | |
| $4.67 | -0.33 | -6.6% | $5.37 | $5.93 | $4.65 | 280,400 | |
| $5.00 | -1.13 | -18.4% | $6.00 | $6.34 | $4.07 | 301,400 | |
| $6.13 | -3.97 | -39.3% | $8.51 | $9.045 | $6.13 | 237,000 | |
| $10.10 | +0.29 | +3.0% | $11.55 | $11.96 | $8.907 | 1,266,800 | |
| $9.81 | +2.64 | +36.8% | $7.10 | $10.37 | $7.02 | 220,800 | |
| $7.17 | -1.375 | -16.1% | $8.45 | $8.88 | $6.63 | 93,200 | |
| $8.545 | -0.745 | -8.0% | $9.27 | $9.31 | $8.41 | 43,700 | |
| $9.29 | +0.43 | +4.9% | $9.37 | $9.83 | $8.94 | 17,682 | |
| $8.86 | -1.20 | -11.9% | $9.94 | $9.99 | $7.59 | 99,700 | |
| $10.06 | -0.65 | -6.1% | $10.60 | $10.70 | $8.758 | 64,600 | |
| $10.71 | +0.01 | +0.1% | $10.69 | $10.74 | $10.63 | 556,000 | |
| $10.70 | +0.01 | +0.1% | $10.69 | $10.70 | $10.66 | 427,300 | |
| $10.69 | -0.01 | -0.1% | $10.70 | $10.70 | $10.69 | 883,200 | |
| $10.70 | 0.00 | 0.0% | $10.69 | $10.70 | $10.68 | 469,700 | |
| $10.70 | 0.00 | 0.0% | $10.70 | $10.70 | $10.69 | 745,400 | |
| $10.70 | 0.00 | 0.0% | $10.70 | $10.71 | $10.69 | 53,000 | |
| $10.70 | +0.02 | +0.2% | $10.71 | $10.71 | $10.69 | 90,600 | |
| $10.68 | -0.01 | -0.1% | $10.70 | $10.70 | $10.68 | 57,400 | |
| $10.69 | +0.01 | +0.1% | $10.69 | $10.70 | $10.68 | 28,300 | |
| $10.68 | -0.01 | -0.1% | $10.69 | $10.70 | $10.68 | 724,300 | |
| $10.69 | +0.005 | 0.0% | $10.69 | $10.69 | $10.67 | 792,800 | |
| $10.69 | -0.005 | 0.0% | $10.68 | $10.69 | $10.67 | 317,700 | |
| $10.69 | +0.005 | 0.0% | $10.69 | $10.70 | $10.68 | 158,700 | |
| $10.69 | +0.005 | 0.0% | $10.70 | $10.72 | $10.68 | 2,118,200 | |
| $10.68 | -0.02 | -0.2% | $10.70 | $10.71 | $10.68 | 85,800 | |
| $10.70 | +0.015 | +0.1% | $10.69 | $10.70 | $10.68 | 144,900 | |
| $10.69 | +0.015 | +0.1% | $10.67 | $10.69 | $10.67 | 143,000 | |
| $10.67 | +0.005 | 0.0% | $10.67 | $10.68 | $10.65 | 1,817,900 | |
| $10.67 | +0.005 | 0.0% | $10.66 | $10.68 | $10.66 | 13,400 | |
| $10.66 | 0.00 | 0.0% | $10.67 | $10.67 | $10.66 | 142,600 | |
| $10.66 | -0.005 | 0.0% | $10.67 | $10.67 | $10.65 | 518,000 | |
| $10.67 | +0.025 | +0.2% | $10.64 | $10.67 | $10.64 | 191,400 | |
| $10.64 | -0.01 | -0.1% | $10.68 | $10.68 | $10.64 | 54,600 | |
| $10.65 | -0.01 | -0.1% | $10.65 | $10.67 | $10.65 | 26,500 | |
| $10.66 | +0.01 | +0.1% | $10.65 | $10.66 | $10.64 | 381,400 | |
| $10.65 | 0.00 | 0.0% | $10.66 | $10.67 | $10.65 | 59,200 | |
| $10.65 | +0.01 | +0.1% | $10.64 | $10.66 | $10.64 | 9,000 | |
| $10.64 | -0.02 | -0.2% | $10.67 | $10.67 | $10.64 | 87,700 | |
| $10.66 | +0.01 | +0.1% | $10.71 | $10.71 | $10.65 | 123,400 | |
| $10.65 | -0.04 | -0.4% | $10.70 | $10.70 | $10.64 | 57,600 | |
| $10.69 | +0.02 | +0.2% | $10.67 | $10.70 | $10.64 | 178,800 | |
| $10.67 | 0.00 | 0.0% | $10.70 | $10.70 | $10.63 | 316,900 | |
| $10.67 | +0.01 | +0.1% | $10.67 | $10.73 | $10.64 | 328,800 | |
| $10.66 | +0.01 | +0.1% | $10.68 | $10.71 | $10.65 | 20,600 | |
| $10.65 | 0.00 | 0.0% | $10.68 | $10.68 | $10.65 | 32,251 | |
| $10.65 | -0.035 | -0.3% | $10.70 | $10.71 | $10.65 | 53,877 | |
| $10.69 | +0.055 | +0.5% | $10.64 | $10.71 | $10.62 | 367,900 | |
| $10.63 | +0.01 | +0.1% | $10.62 | $10.64 | $10.62 | 141,200 | |
| $10.62 | 0.00 | 0.0% | $10.62 | $10.63 | $10.62 | 74,500 | |
| $10.62 | -0.02 | -0.2% | $10.65 | $10.66 | $10.62 | 224,600 | |
| $10.64 | 0.00 | 0.0% | $10.65 | $10.66 | $10.64 | 98,300 | |
| $10.64 | -0.02 | -0.2% | $10.65 | $10.69 | $10.64 | 62,400 | |
| $10.66 | +0.02 | +0.2% | $10.65 | $10.67 | $10.64 | 81,200 | |
| $10.64 | -0.01 | -0.1% | $10.70 | $10.70 | $10.64 | 40,000 | |
| $10.65 | 0.00 | 0.0% | $10.69 | $10.69 | $10.64 | 23,200 | |
| $10.65 | -0.04 | -0.4% | $10.69 | $10.71 | $10.64 | 120,600 | |
| $10.69 | -0.03 | -0.3% | $10.71 | $10.72 | $10.64 | 132,000 | |
| $10.72 | -0.01 | -0.1% | $10.73 | $10.74 | $10.71 | 13,200 | |
| $10.73 | +0.03 | +0.3% | $10.66 | $10.80 | $10.66 | 137,800 | |
| $10.70 | +0.05 | +0.5% | $10.67 | $10.86 | $10.66 | 276,200 | |
| $10.65 | 0.00 | 0.0% | $10.65 | $10.68 | $10.58 | 344,100 | |
| $10.65 | 0.00 | 0.0% | $10.71 | $10.71 | $10.64 | 89,500 | |
| $10.65 | 0.00 | 0.0% | $10.68 | $10.71 | $10.64 | 175,300 |
- Ticker
- NASDAQ:ATII
- Asset type
- Stock
- Sector
- Financials
- Industry
- Shell companies & SPACs
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 16, 2026
Archimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc.
Latest deck · Apr 20, 2026
SPAC Merger (April 2026)
SPAC merger · 45 slides
Latest news
Archimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc.
Oct 16, 2026
Closed $8.55 (-8.0%) on Oct 19, 2026
Archimedes Tech SPAC Partners II Co. Announces Effectiveness of Registration Statement and Date for Extraordinary General Meeting to Approve Proposed Business Combination with Forge Nano, Inc.
Sep 24, 2026
Closed $10.69 (0.0%) on Sep 25, 2026
Archimedes Tech SPAC Partners II Co. Announces Filing of Third Amendment to Registration Statement on Form S-4 with the SEC
Sep 2, 2026
Closed $10.64 (-0.2%) on Sep 3, 2026
Archimedes Tech SPAC Partners II Co. Announces Filing of Amendment to Registration Statement on Form S-4 with the SEC
Jun 23, 2026
Closed $10.77 (-1.3%) on Jun 24, 2026
Archimedes Tech SPAC Partners II Co. Announces Filing of Registration Statement on Form S-4 with the SEC
May 7, 2026
Closed $10.80 (0.0%) on May 8, 2026
Archimedes Tech SPAC Partners III Co. Announces the Upsized Pricing of $240 Million Initial Public Offering
Jan 23, 2026
Closed $10.65 (+0.9%) on Jan 23, 2026
Decks
SPAC Merger (April 2026)
SPAC merger · 45 slides · Apr 20, 2026
Archimedes Tech SPAC Partners II Co. on 6ix
- Sector
- Financials
- Industry
- Shell companies & SPACs
- News releases
- 6 in the last 12 months · 6 in all · newest Oct 16, 2026 · oldest 2026
- Decks
- 1 deck · latest Apr 20, 2026
Where Archimedes Tech SPAC Partners II Co. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ATII · Home listing · This page | NASDAQ | United States | USD |
| BOATS:ATII | BOATS | United States | USD |
| NASDAQ:ATIIU | NASDAQ | United States | USD |
Log in to ask 6ix AI your own questions about Archimedes Tech SPAC Partners II Co.