ERock, Inc. (EROC) Institutional Ownership Changes & 13F Activity
ERock, Inc. (EROC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Balyasny Asset Management L.P., Cinctive Capital Management Lp, Encompass Capital Advisors Llc, and Zimmer Partners, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +1,505,997 | — | 1,505,997 | $21.84M | Q2 2026 | Sep 02, 2026 |
| Fulcrum Asset Management Llp | Buy | +9,258 | — | 9,258 | $128.41K | Q2 2026 | Aug 18, 2026 |
| Pin Oak Investment Advisors Inc | Buy | +5,054 | — | 5,054 | $73.00 | Q2 2026 | Aug 18, 2026 |
| Value Aligned Research Advisors, Llc | Buy | +1,345,920 | — | 1,345,920 | $19.52M | Q2 2026 | Aug 17, 2026 |
| Hill City Capital, Lp | Buy | +110,000 | — | 110,000 | $1.59M | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Buy | +15,000 | — | 15,000 | $217.50K | Q2 2026 | Aug 17, 2026 |
| Price T Rowe Associates Inc | Buy | +2,275,983 | — | 2,275,983 | $33.00M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +2,099,619 | — | 2,099,619 | $30.44M | Q2 2026 | Aug 14, 2026 |
| Cinctive Capital Management Lp | Buy | +1,947,261 | — | 1,947,261 | $28.24M | Q2 2026 | Aug 14, 2026 |
| Encompass Capital Advisors Llc | Buy | +1,900,000 | — | 1,900,000 | $27.55M | Q2 2026 | Aug 14, 2026 |
| Zimmer Partners, Lp | Buy | +1,891,745 | — | 1,891,745 | $27.43M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +1,825,179 | — | 1,825,179 | $26.47M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +1,702,121 | — | 1,702,121 | $24.68M | Q2 2026 | Aug 14, 2026 |
| Alyeska Investment Group, L.P. | Buy | +1,276,391 | — | 1,276,391 | $18.51M | Q2 2026 | Aug 14, 2026 |
| Seven Grand Managers, Llc | Buy | +500,000 | — | 500,000 | $7.25M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +498,508 | — | 498,508 | $7.23M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +416,431 | — | 416,431 | $6.04M | Q2 2026 | Aug 14, 2026 |
| Ghisallo Capital Management Llc | Buy | +400,000 | — | 400,000 | $5.80M | Q2 2026 | Aug 14, 2026 |
| Soros Fund Management Llc | Buy | +376,206 | — | 376,206 | $5.45M | Q2 2026 | Aug 14, 2026 |
| Burkehill Global Management, Lp | Buy | +375,000 | — | 375,000 | $5.44M | Q2 2026 | Aug 14, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +369,484 | — | 369,484 | $5.36M | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Buy | +339,153 | — | 339,153 | $4.92M | Q2 2026 | Aug 14, 2026 |
| Aventail Capital Group, Lp | Buy | +331,805 | — | 331,805 | $4.81M | Q2 2026 | Aug 14, 2026 |
| Tudor Investment Corp Et Al | Buy | +305,002 | — | 305,002 | $4.42M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +281,364 | — | 281,364 | $4.08M | Q2 2026 | Aug 14, 2026 |
| Freestone Grove Partners Lp | Buy | +264,072 | — | 264,072 | $3.83M | Q2 2026 | Aug 14, 2026 |
| Yaupon Capital Management Lp | Buy | +250,000 | — | 250,000 | $3.63M | Q2 2026 | Aug 14, 2026 |
| Lighthouse Investment Partners, Llc | Buy | +247,437 | — | 247,437 | $3.59M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +225,000 | — | 225,000 | $3.26M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +210,239 | — | 210,239 | $3.05M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about EROC activity
Which institutional owners are buying EROC?
Institutional owners buying EROC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in EROC activity?
"Buy" means an investor increased their reported position in EROC compared to the prior reporting period. This reflects growing exposure to ERock, Inc. (EROC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in EROC increasing?
Institutional interest in EROC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.