OSLO, Q8
OPERA LTDOPRA— Latest position per institution from SEC 13F filings
15
Institutional holders
18.20M
Total shares held
261.04M
Estimated value
909.96K
Avg. position size
TIDAL INVESTMENTS LLC
CIK 1600064
Shares
3.31M
Value
47.13M
Filed
Mar 31, 2026
GREENHOUSE FUNDS LLLP
CIK 1626220
Shares
2.21M
Value
43.84M
Filed
Jun 30, 2023
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
1.76M
Value
25.11M
Filed
Mar 31, 2026
SCHONFELD STRATEGIC ADVISORS LLC
CIK 1665241
Shares
1.43M
Value
20.41M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.29M
Value
18.39M
Filed
Mar 31, 2026
GHISALLO CAPITAL MANAGEMENT LLC
CIK 1825214
Shares
800K
Value
9.02M
Filed
Sep 30, 2023
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
769.98K
Value
10.98M
Filed
Mar 31, 2026
METAVASI CAPITAL LP
CIK 1864835
Shares
724.84K
Value
14.96M
Filed
Sep 30, 2025
GENESIS INVESTMENT MANAGEMENT, LLP
CIK 1300979
Shares
720.80K
Value
3.13K
Filed
Sep 30, 2022
PORTOLAN CAPITAL MANAGEMENT, LLC
CIK 1350290
Shares
631.18K
Value
8.94M
Filed
Dec 31, 2025
LORD, ABBETT & CO. LLC
CIK 728100
Shares
610.67K
Value
11.54K
Filed
Jun 30, 2025
PENN CAPITAL MANAGEMENT COMPANY, LLC
CIK 1158202
Shares
544.64K
Value
7.77M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
542.39K
Value
7.73M
Filed
Mar 31, 2026
J. GOLDMAN & CO LP
CIK 1412741
Shares
448K
Value
9.25M
Filed
Sep 30, 2025
EXODUSPOINT CAPITAL MANAGEMENT, LP
CIK 1736225
Shares
437.96K
Value
6.25M
Filed
Mar 31, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
425.09K
Value
8.77M
Filed
Sep 30, 2025
PEAK6 LLC
CIK 1389958
Shares
407.78K
Value
5.81M
Filed
Mar 31, 2026
ROUMELL ASSET MANAGEMENT, LLC
CIK 1331693
Shares
407.39K
Value
5.72M
Filed
Jun 30, 2024
PEAK6 INVESTMENTS LLC
CIK 1756111
Shares
381.87K
Value
5.90M
Filed
Sep 30, 2024
NEW YORK STATE COMMON RETIREMENT FUND
CIK 810265
Shares
353.87K
Value
5.05M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | TIDAL INVESTMENTS LLC | 1600064 | 3.31M | 47.13M | Mar 31, 2026 |
| 2 | GREENHOUSE FUNDS LLLP | 1626220 | 2.21M | 43.84M | Jun 30, 2023 |
| 3 | AMERICAN CENTURY COMPANIES INC | 748054 | 1.76M | 25.11M | Mar 31, 2026 |
| 4 | SCHONFELD STRATEGIC ADVISORS LLC | 1665241 | 1.43M | 20.41M | Mar 31, 2026 |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.29M | 18.39M | Mar 31, 2026 |
| 6 | GHISALLO CAPITAL MANAGEMENT LLC | 1825214 | 800K | 9.02M | Sep 30, 2023 |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 769.98K | 10.98M | Mar 31, 2026 |
| 8 | METAVASI CAPITAL LP | 1864835 | 724.84K | 14.96M | Sep 30, 2025 |
| 9 | GENESIS INVESTMENT MANAGEMENT, LLP | 1300979 | 720.80K | 3.13K | Sep 30, 2022 |
| 10 | PORTOLAN CAPITAL MANAGEMENT, LLC | 1350290 | 631.18K | 8.94M | Dec 31, 2025 |
| 11 | LORD, ABBETT & CO. LLC | 728100 | 610.67K | 11.54K | Jun 30, 2025 |
| 12 | PENN CAPITAL MANAGEMENT COMPANY, LLC | 1158202 | 544.64K | 7.77M | Mar 31, 2026 |
| 13 | CITADEL ADVISORS LLC | 1423053 | 542.39K | 7.73M | Mar 31, 2026 |
| 14 | J. GOLDMAN & CO LP | 1412741 | 448K | 9.25M | Sep 30, 2025 |
| 15 | EXODUSPOINT CAPITAL MANAGEMENT, LP | 1736225 | 437.96K | 6.25M | Mar 31, 2026 |
| 16 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 425.09K | 8.77M | Sep 30, 2025 |
| 17 | PEAK6 LLC | 1389958 | 407.78K | 5.81M | Mar 31, 2026 |
| 18 | ROUMELL ASSET MANAGEMENT, LLC | 1331693 | 407.39K | 5.72M | Jun 30, 2024 |
| 19 | PEAK6 INVESTMENTS LLC | 1756111 | 381.87K | 5.90M | Sep 30, 2024 |
| 20 | NEW YORK STATE COMMON RETIREMENT FUND | 810265 | 353.87K | 5.05M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.