Among active 13F managers last quarter, 21 opened and none reduced or exited; the largest holder to move was Highbridge Capital Management LLC (new position). Over the last 180 days, 1 insider bought and 1 insider sold, a net +$2.2M in open-market trades.
Funds lean in and no leg opposes.
22 tracked 13F filers disclose a position in APUR as of the latest SEC 13F filings, a combined $62.7M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Highbridge Capital Management LLC | 855K | $8.5M | ▲New +855K sh | Q2 2026 | |
| 2 | Polar Asset Management Partners Inc. | 825K | $8.2M | ▲New +825K sh | Q2 2026 | |
| 3 | Boothbay Fund Management, LLC | 600K | $5.9M | ▲New +600K sh | Q2 2026 | |
| 4 | Westchester Capital Management, LLC | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 5 | AQR Arbitrage LLC | 436K | $4.3M | ▲New +436K sh | Q2 2026 | |
| 6 | Mangrove Partners Im, LLC | 425K | $4.2M | ▲New +425K sh | Q2 2026 | |
| 7 | Crossingbridge Advisors, LLC | 425K | $4.2M | ▲New +425K sh | Q2 2026 | |
| 8 | Rivernorth Capital Management, LLC | 400K | $4.0M | ▲New +400K sh | Q2 2026 | |
| 9 | Whitebox Advisors LLC | 300K | $3.0M | ▲New +300K sh | Q2 2026 | |
| 10 | Shaolin Capital Management LLC | 258K | $2.6M | ▲New +258K sh | Q2 2026 | |
| 11 | Aristeia Capital, L.L.C. | 250K | $2.5M | ▲New +250K sh | Q2 2026 | |
| 12 | Heights Capital Management, Inc | 200K | $2.0M | ▲New +200K sh | Q2 2026 | |
| 13 | Calamos Advisors LLC | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 14 | Yakira Capital Management, Inc. | 150K | $1.5M | ▲New +150K sh | Q2 2026 | |
| 15 | Clear Street Group Inc. | 105K | $1.0M | ▲New +105K sh | Q2 2026 | |
| 16 | Deltec Asset Management LLC | 100K | $990K | ▲New +100K sh | Q2 2026 | |
| 17 | DLD Asset Management, LP | 100K | $990K | ▲New +100K sh | Q2 2026 | |
| 18 | Logan Stone Capital, LLC | 77K | $766K | ▲New +77K sh | Q2 2026 | |
| 19 | L1 Global Manager Pty Ltd | 60K | $594K | ▲New +60K sh | Q2 2026 | |
| 20 | Verition Fund Management LLC | 51K | $503K | ▲New +51K sh | Q2 2026 | |
| 21 | Schonfeld Strategic Advisors LLC | 50K | $492K | ▲New +50K sh | Q2 2026 | |
| 22 | TrueMark Investments, LLC | 10K | $99K | ▲New +10K sh | Q2 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, 21 funds opened a new position in APUR, while none reduced or exited. 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 | Their position there |
|---|---|---|
| Quantum Leap Acqui Cor-CL AQLEP | 18 funds | $96.1M |
| Oxley Bridge Acquisitio-CL AOBA | 17 funds | $58.6M |
| Thayer Ventures Acquis CL ATVAI | 16 funds | $66.4M |
| Republic Digital Acquis-CL ARDAG | 16 funds | $62.3M |
| Oyster Enterprises II Acq-AOYSE | 16 funds | $58.0M |
| Aeon Acquisition I CorpAESPU | 16 funds | $57.0M |
| Solarius Capital Acquis-CL ASOCA | 16 funds | $43.4M |
| Activate Energy Acquisitio-AAEAQ | 16 funds | $38.7M |
| Aperture Ac- RightsAPURR | 16 funds | $712K |
| Drugs Made In America AcquisDMII | 15 funds | $100.5M |
| Jab Acquisition Corp IATLQU | 15 funds | $77.5M |
| Soulpower Acquisition Co-ASOUL | 15 funds | $77.4M |
Ranked by how many of APUR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in APUR.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 15, 2026 | Goldman Sachs Group Inc | 10% Owner | Sell (S) 3 lots, same day | 48 | $475 |
| May 22, 2026 | Aperture Sponsor LLC | 10% Owner | Buy (P) | 223K | $2.2M |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 0 | 0 | – |
Insiders Form 4 open-market | 1 | 1 | +$2.2M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| APURthis pageUSD CL A ORD SHS | 22 funds | $62.7M |
| APURRRIGHT 05/06/2031 | 19 funds | $1.2M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for APUR
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/APUR/capital-change-brief"
Use Arkolith's capital_change_brief for APUR. 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 APUR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.