Who owns ERock, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of EROC from SEC Form 13F filings across 88 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 88 institutions disclosed 34.3M shares of ERock, Inc. worth $496.8M — about 71.1% of shares outstanding; the largest disclosed holder is PRICE T ROWE ASSOCIATES INC /MD/. Source: SEC Form 13F filings, parsed by EvidInvest.
88
13F holders
$496.8M
value, 2026 filers
71.1%
of shares outstanding (34.3M sh)
88
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of EROC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/NEW | 2.3M | $33.0M | 0.0% | 4.7% | new |
| 2 | Balyasny Asset Management L.P.NEW | 2.1M | $30.4M | 0.0% | 4.4% | new |
| 3 | Cinctive Capital Management LPNEW | 1.9M | $28.2M | 1.0% | 4% | new |
| 4 | Encompass Capital Advisors LLCNEW | 1.9M | $27.6M | 1.0% | 3.9% | new |
| 5 | Zimmer Partners, LPNEW | 1.9M | $27.4M | 0.6% | 3.9% | new |
| 6 | AMERIPRISE FINANCIAL INCNEW | 1.8M | $26.5M | 0.0% | 3.8% | new |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/NEW | 1.8M | $25.8M | 0.0% | 3.7% | new |
| 8 | ALLIANCEBERNSTEIN L.P.NEW | 1.7M | $24.7M | 0.0% | 3.5% | new |
| 9 | CITADEL ADVISORS LLCNEW | 1.5M | $21.8M | 0.0% | 3.1% | new |
| 10 | Value Aligned Research Advisors, LLCNEW | 1.3M | $19.5M | 0.0% | 2.8% | new |
| 11 | Alyeska Investment Group, L.P.NEW | 1.3M | $18.5M | 0.0% | 2.6% | new |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 1.1M | $16.2M | 0.0% | 2.3% | new |
| 13 | Pictet Asset Management Holding SANEW | 1.1M | $15.3M | 0.0% | 2.2% | new |
| 14 | VANGUARD CAPITAL MANAGEMENT LLCNEW | 1.0M | $14.9M | 0.0% | 2.1% | new |
| 15 | CIBC Bancorp USA Inc.NEW | 1.0M | $14.5M | 0.0% | 2.1% | new |
| 16 | SEVEN GRAND MANAGERS, LLCNEW | 500,000 | $7.3M | 0.3% | 1% | new |
| 17 | WELLINGTON MANAGEMENT GROUP LLPNEW | 498,508 | $7.2M | 0.0% | 1% | new |
| 18 | REAVES W H & CO INCNEW | 435,000 | $6.3M | 0.1% | 0.9% | new |
| 19 | FRANKLIN RESOURCES INCNEW | 434,932 | $6.3M | 0.0% | 0.9% | new |
| 20 | JANE STREET GROUP, LLCNEW | 416,431 | $6.0M | 0.0% | 0.9% | new |
| 21 | UBS Group AGNEW | 404,566 | $5.9M | 0.0% | 0.8% | new |
| 22 | Ghisallo Capital Management LLCNEW | 400,000 | $5.8M | 0.1% | 0.8% | new |
| 23 | SOROS FUND MANAGEMENT LLCNEW | 376,206 | $5.5M | 0.1% | 0.8% | new |
| 24 | Burkehill Global Management, LPNEW | 375,000 | $5.4M | 0.2% | 0.8% | new |
| 25 | ADAGE CAPITAL PARTNERS GP, L.L.C.NEW | 369,484 | $5.4M | 0.0% | 0.8% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.