HOUSTON, TX
STEM, INC.STEM— Latest position per institution from SEC 13F filings
15
Institutional holders
2.56M
Total shares held
20.84M
Estimated value
127.93K
Avg. position size
MARSHALL WACE, LLP
CIK 1318757
Shares
405.61K
Value
3.17M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
396.38K
Value
5.97M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
361.25K
Value
2.82M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
164.48K
Value
1.28M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
113.60K
Value
887.22K
Filed
Jun 30, 2026
TREXQUANT INVESTMENT LP
CIK 1633445
Shares
110.64K
Value
864.10K
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
103.23K
Value
806.26K
Filed
Jun 30, 2026
GSA CAPITAL PARTNERS LLP
CIK 1362033
Shares
102.32K
Value
799.00
Filed
Jun 30, 2026
BNP PARIBAS FINANCIAL MARKETS
CIK 1166588
Shares
93.09K
Value
727.06K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
93.01K
Value
726.78K
Filed
Jun 30, 2026
BELVEDERE TRADING LLC
CIK 1632341
Shares
76.40K
Value
60.16K
Filed
Dec 31, 2025
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
74.65K
Value
579.00
Filed
Jun 30, 2026
CSS LLC/IL
CIK 1103646
Shares
70K
Value
618.80K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
66.48K
Value
519.22K
Filed
Jun 30, 2026
WOLVERINE TRADING, LLC
CIK 927337
Shares
65.20K
Value
419.24K
Filed
Jun 30, 2025
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
59.60K
Value
465.48K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
56.90K
Value
444.37K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
49.13K
Value
383.68K
Filed
Jun 30, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
48.45K
Value
301.82K
Filed
Jun 30, 2025
LONGAEVA PARTNERS L.P.
CIK 2054122
Shares
48.19K
Value
376.33K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | MARSHALL WACE, LLP | 1318757 | 405.61K | 3.17M | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 396.38K | 5.97M | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 361.25K | 2.82M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 164.48K | 1.28M | Jun 30, 2026 |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 113.60K | 887.22K | Jun 30, 2026 |
| 6 | TREXQUANT INVESTMENT LP | 1633445 | 110.64K | 864.10K | Jun 30, 2026 |
| 7 | TWO SIGMA INVESTMENTS, LP | 1179392 | 103.23K | 806.26K | Jun 30, 2026 |
| 8 | GSA CAPITAL PARTNERS LLP | 1362033 | 102.32K | 799.00 | Jun 30, 2026 |
| 9 | BNP PARIBAS FINANCIAL MARKETS | 1166588 | 93.09K | 727.06K | Jun 30, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 93.01K | 726.78K | Jun 30, 2026 |
| 11 | BELVEDERE TRADING LLC | 1632341 | 76.40K | 60.16K | Dec 31, 2025 |
| 12 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 74.65K | 579.00 | Jun 30, 2026 |
| 13 | CSS LLC/IL | 1103646 | 70K | 618.80K | Mar 31, 2026 |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 66.48K | 519.22K | Jun 30, 2026 |
| 15 | WOLVERINE TRADING, LLC | 927337 | 65.20K | 419.24K | Jun 30, 2025 |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 59.60K | 465.48K | Jun 30, 2026 |
| 17 | VANGUARD FIDUCIARY TRUST CO | 933478 | 56.90K | 444.37K | Jun 30, 2026 |
| 18 | CITADEL ADVISORS LLC | 1423053 | 49.13K | 383.68K | Jun 30, 2026 |
| 19 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 48.45K | 301.82K | Jun 30, 2025 |
| 20 | LONGAEVA PARTNERS L.P. | 2054122 | 48.19K | 376.33K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.