Among active 13F managers last quarter, 2 opened and 1 added, while none reduced or exited; the largest holder to move was American Century Companies Inc (new position). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
9 tracked 13F filers disclose a position in HYAC as of the latest SEC 13F filings, a combined $83.5M 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 | American Century Companies Inc | 2.7M | $31.2M | ▲New +2.7M sh | Q1 2026 | |
| 2 | Berkley W R Corp | 2.3M | $26.7M | ▲+18% Added · +357K sh | Q1 2026 | |
| 3 | Linden Advisors LP | 900K | $10.4M | —Held | Q1 2026 | |
| 4 | D. E. Shaw & Co., Inc. | 604K | $7.0M | —Held | Q1 2026 | |
| 5 | HSBC Holdings PLC | 331K | $3.9M | —Held | Q1 2026 | |
| 6 | Susquehanna International Group, LLP | 207K | $2.4M | ▲+44% Added · +63K sh | Q1 2026 | |
| 7 | OCONNOR, A Distinct Business Unit of UBS Asset Management Americas (LLC) | 100K | $1.1M | —Held | Q4 2025 | |
| 8 | Kornitzer Capital Management Inc | 60K | $692K | ▲New +60K sh | Q1 2026 | |
| 9 | UBS Group AG | 5K | $62K | ▲New +5K 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, 2 funds opened a new position in HYAC and 1 added to an existing one, 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 |
|---|---|---|
| Nvidia CorpNVDA | 4 funds | $13.3B |
| Alphabet Inc-CL AGOOGL | 4 funds | $7.1B |
| Broadcom IncAVGO | 4 funds | $5.0B |
| Tesla IncTSLA | 4 funds | $4.1B |
| Meta Platforms Inc-Class AMETA | 4 funds | $4.0B |
| ASML Holding NV-NY Reg SHSASML | 4 funds | $1.1B |
| Vertiv Holdings Co-AVRT | 4 funds | $889.9M |
| Howmet Aerospace IncHWM | 4 funds | $865.6M |
| Booking Holdings IncBKNG | 4 funds | $840.0M |
| Intel CorpINTC | 4 funds | $790.3M |
| TJX Companies IncTJX | 4 funds | $752.0M |
| Amphenol Corp-CL AAPH | 4 funds | $717.1M |
Ranked by how many of HYAC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in HYAC.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
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 | 2 | 0 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
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 |
|---|---|---|
| HYACthis pageCOM | 9 funds | $83.5M |
| G4375F116WARRANT | 5 funds | $2.6M |
| G4375F124UNIT 99/99/9999 | 1 funds | $10K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for HYAC
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/HYAC/capital-change-brief"
Use Arkolith's capital_change_brief for HYAC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for HYAC. Filings are public domain, sourced to SEC EDGAR.