34 tracked 13F filers disclose a position in ARTC as of the latest SEC 13F filings, a combined $154.2M 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | LINDEN ADVISORS LP | $15.7M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 2 | TENOR CAPITAL MANAGEMENT Co., L.P. | $14.9M | 1.5M | —Held | Q2 2026 | |
| 3 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $14.9M | 1.5M | —Held | Q2 2026 | |
| 4 | Polar Asset Management Partners Inc. | $14.7M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 5 | ARISTEIA CAPITAL, L.L.C. | $14.1M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 6 | METEORA CAPITAL, LLC | $10.3M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 7 | AQR Arbitrage LLC | $10.2M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 8 | Magnetar Financial LLC | $9.9M | 1.0M | —Held | Q2 2026 | |
| 9 | Alberta Investment Management Corp | $7.5M | 750K | —Held | Q2 2026 | |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $5.9M | 604K | ▲New +604K sh | Q1 2026 | |
| 11 | PERISCOPE CAPITAL INC. | $5.8M | 585K | —Held | Q2 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $3.9M | 399K | ▲New +399K sh | Q1 2026 | |
| 13 | Shaolin Capital Management LLC | $3.9M | 391K | ▼−57% Reduced · −519K sh | Q2 2026 | |
| 14 | BERKLEY W R CORP | $2.4M | 248K | ▲New +248K sh | Q1 2026 | |
| 15 | Clear Street Group Inc. | $2.1M | 212K | ▼−69% Reduced · −467K sh | Q2 2026 | |
| 16 | Schonfeld Strategic Advisors LLC | $2.0M | 200K | ▲+233% Added · +140K sh | Q2 2026 | |
| 17 | PICTON MAHONEY ASSET MANAGEMENT | $2.0M | 200K | ▲New +200K sh | Q2 2026 | |
| 18 | BOOTHBAY FUND MANAGEMENT, LLC | $1.9M | 197K | ▲New +197K sh | Q1 2026 | |
| 19 | Hudson Bay Capital Management LP | $1.8M | 185K | ▲New +185K sh | Q1 2026 | |
| 20 | Radcliffe Capital Management, L.P. | $1.3M | 134K | ▲New +134K sh | Q1 2026 | |
| 21 | WHITEBOX ADVISORS LLC | $1.3M | 126K | —Held | Q2 2026 | |
| 22 | Parallax Volatility Advisers, L.P. | $1.0M | 103K | ▼−70% Reduced · −237K sh | Q2 2026 | |
| 23 | Ghisallo Capital Management LLC | $994K | 100K | —Held | Q2 2026 | |
| 24 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $981K | 100K | ▲New +100K sh | Q1 2026 | |
| 25 | CSS LLC/IL | $898K | 92K | ▲New +92K sh | 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.
Last quarter, 19 funds opened a new position in ARTC and 2 added to an existing one, while 1 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).
| Company | Co-held by | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 24 funds | $142.2M |
| COHEN CIRCLE ACQUISIT II - ACCII | 24 funds | $92.2M |
| EQV VENTURES ACQUISITION C-AEVAC | 23 funds | $186.5M |
| D. BORAL ACQUISITION I-CL ADBCA | 23 funds | $146.5M |
| M EVO GLOBAL ACQUISITIO-CL AMEVO | 23 funds | $133.9M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 23 funds | $91.7M |
| CANTOR EQUITY PARTNERS VI -ACEPS | 23 funds | $25.4M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 22 funds | $149.0M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 22 funds | $115.8M |
| WEN ACQUISITION CORP-AWENN | 22 funds | $112.3M |
| VINE HILL CAPITAL INVES-CL AVHCP | 22 funds | $94.8M |
| CSLM DIGITAL ASSET ACQU - AKOYN | 22 funds | $88.4M |
Ranked by how many of ARTC's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 3, 2014 | PROTHRO BRUCE | Chief Regulatory Officer & SVP | Sell (S) | 3K | $169K |
| Jan 9, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 735 | $34K |
| Jan 9, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 961 | $44K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 7K | $338K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 6K | $267K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 2K | $93K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 4K | $201K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 3K | $130K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 3K | $125K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 4K | $169K |
| Jan 8, 2014 | WOLOSZKO JEAN | Chief Tech Officer & SVP R&D | Sell (S) | 2K | $90K |
| Jan 8, 2014 | PROTHRO BRUCE | Chief Regulatory Officer & SVP | Sell (S) | 3K | $124K |
| Class | 13F holders | Value held |
|---|---|---|
| ARTCthis pageUSD CL A ORD SHS | 34 funds | $154.2M |
| ARTCWWarrant | 23 funds | $1.9M |
| ARTCUUnit | 8 funds | $26.0M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for ARTC
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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ARTC/capital-change-brief"
Use Arkolith's capital_change_brief for ARTC. 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 ARTC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.