ART TECHNOLOGY ACQUISITION C: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ART TECHNOLOGY ACQUISITION C. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
6
13F filers
Aggregate Value
$24.7M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Quarterly fund activity2 increased1 reduced1 exited
Full exits: CITADEL ADVISORS LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Magnetar Financial LLC CIK 0001352851 | Hedge Fund | 1.00M | $9.9M | 40.2% | 0.1% | Unchanged | +$0 | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 600K | $6.0M | 24.1% | 0.0% | Added | — | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 399K | $4.0M | 16.0% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 200K | $2.0M | 8.0% | 0.0% | Added | +$1.4M | Q2 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 185K | $1.8M | 7.4% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Parallax Volatility Advisers, L.P. CIK 0001521001 | Hedge Fund | 103K | $1.0M | 4.1% | 0.0% | Reduced | $-2.4M | Q2 2026 |
Unchanged
Hedge Fund
$9.9M· 40.2% of total· 0.1% port· 1.00M sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$6.0M· 24.1% of total· 0.0% port· 600K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$4.0M· 16.0% of total· 0.0% port· 399K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$2.0M· 8.0% of total· 0.0% port· 200K sh· +$1.4M QoQ· Q2 2026
Unchanged
Hedge Fund
$1.8M· 7.4% of total· 0.0% port· 185K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$1.0M· 4.1% of total· 0.0% port· 103K sh· $-2.4M QoQ· Q2 2026