HOUSTON, TX
EROCK, INC.EROC— Latest position per institution from SEC 13F filings
15
Institutional holders
26.04M
Total shares held
344.54M
Estimated value
1.30M
Avg. position size
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.28M
Value
33K
Filed
Jun 30, 2026
BALYASNY ASSET MANAGEMENT L.P.
CIK 1218710
Shares
2.10M
Value
30.44M
Filed
Jun 30, 2026
CINCTIVE CAPITAL MANAGEMENT LP
CIK 1787258
Shares
1.95M
Value
28.24M
Filed
Jun 30, 2026
ENCOMPASS CAPITAL ADVISORS LLC
CIK 1541901
Shares
1.90M
Value
27.55M
Filed
Jun 30, 2026
ZIMMER PARTNERS, LP
CIK 1565854
Shares
1.89M
Value
27.43M
Filed
Jun 30, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
1.83M
Value
26.47M
Filed
Jun 30, 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 912938
Shares
1.78M
Value
25.76M
Filed
Jun 30, 2026
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
1.70M
Value
24.68M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.51M
Value
21.84M
Filed
Jun 30, 2026
VALUE ALIGNED RESEARCH ADVISORS, LLC
CIK 1963565
Shares
1.35M
Value
19.52M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
1.28M
Value
18.51M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.12M
Value
16.19M
Filed
Jun 30, 2026
PICTET ASSET MANAGEMENT HOLDING SA
CIK 1993888
Shares
1.06M
Value
15.32M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.03M
Value
14.95M
Filed
Jun 30, 2026
CIBC BANCORP USA INC.
CIK 1711924
Shares
1M
Value
14.50M
Filed
Jun 30, 2026
SEVEN GRAND MANAGERS, LLC
CIK 1909126
Shares
500K
Value
7.25M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
498.51K
Value
7.23M
Filed
Jun 30, 2026
REAVES W H & CO INC
CIK 740913
Shares
435K
Value
6.31M
Filed
Jun 30, 2026
FRANKLIN TEMPLETON INC
CIK 38777
Shares
434.93K
Value
6.31M
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
416.43K
Value
6.04M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.28M | 33K | Jun 30, 2026 |
| 2 | BALYASNY ASSET MANAGEMENT L.P. | 1218710 | 2.10M | 30.44M | Jun 30, 2026 |
| 3 | CINCTIVE CAPITAL MANAGEMENT LP | 1787258 | 1.95M | 28.24M | Jun 30, 2026 |
| 4 | ENCOMPASS CAPITAL ADVISORS LLC | 1541901 | 1.90M | 27.55M | Jun 30, 2026 |
| 5 | ZIMMER PARTNERS, LP | 1565854 | 1.89M | 27.43M | Jun 30, 2026 |
| 6 | AMERIPRISE FINANCIAL INC | 820027 | 1.83M | 26.47M | Jun 30, 2026 |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 912938 | 1.78M | 25.76M | Jun 30, 2026 |
| 8 | ALLIANCEBERNSTEIN L.P. | 1109448 | 1.70M | 24.68M | Jun 30, 2026 |
| 9 | CITADEL ADVISORS LLC | 1423053 | 1.51M | 21.84M | Jun 30, 2026 |
| 10 | VALUE ALIGNED RESEARCH ADVISORS, LLC | 1963565 | 1.35M | 19.52M | Jun 30, 2026 |
| 11 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 1.28M | 18.51M | Jun 30, 2026 |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.12M | 16.19M | Jun 30, 2026 |
| 13 | PICTET ASSET MANAGEMENT HOLDING SA | 1993888 | 1.06M | 15.32M | Jun 30, 2026 |
| 14 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.03M | 14.95M | Jun 30, 2026 |
| 15 | CIBC BANCORP USA INC. | 1711924 | 1M | 14.50M | Jun 30, 2026 |
| 16 | SEVEN GRAND MANAGERS, LLC | 1909126 | 500K | 7.25M | Jun 30, 2026 |
| 17 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 498.51K | 7.23M | Jun 30, 2026 |
| 18 | REAVES W H & CO INC | 740913 | 435K | 6.31M | Jun 30, 2026 |
| 19 | FRANKLIN TEMPLETON INC | 38777 | 434.93K | 6.31M | Jun 30, 2026 |
| 20 | JANE STREET GROUP, LLC | 1595888 | 416.43K | 6.04M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.