Security key
68373M107
Opera Ltd - Ordinary Shares, par value $0.0002 (OPRA)
CUSIP: 68373M107
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Ordinary Shares, par value $0.0002
- Total 13F shares
- 13,182,038
- Total 13F value
- $267,006,262
- Share change
- +99,436
- Put/Call ratio
- 53%
- SEC-reported price per share
- $18.90
- Number of holders
- 136
- Value change
- +$12,203,421
- Number of buys
- 73
- Number of sells
- 73
- Shares outstanding
- 87,306,044
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
136
Top holders
10
OPRA full security history
Ownership snapshot
Full 13F holder table
Opera Ltd SEC filings
Opera Ltd company facts
Broader feeds
Ownership snapshot
Top reported holders of OPRA - Opera Ltd - Ordinary Shares, par value $0.0002 (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Portolan Capital Manageme...
Disclosed value leader
Portolan Capital Manageme...
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
Lead comparable stake: 1.8%
Showing 1-6 of 15 holder rows.
Quick read
Portolan Capital Management, LLC leads the comparable SEC ownership view at 1.8%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Portolan Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Portolan Capital Management, LLC
1.8%
Tidal Investments LLC
1.5%
MARSHALL WACE, LLP
1.3%
G2 Investment Partners Management...
1.2%
ARROWSTREET CAPITAL, LIMITED PART...
1.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Portolan Capital Management, LLC |
13F
Company
|
1.8%
|
$24,383,275
1,529,691 shares
|
— | 31 Mar 2025 |
| Tidal Investments LLC |
13F
Company
|
1.5%
|
$20,630,871
1,294,283 shares
|
— | 31 Mar 2025 |
| MARSHALL WACE, LLP |
13F
Company
|
1.3%
|
$17,833,594
1,118,795 shares
|
— | 31 Mar 2025 |
| G2 Investment Partners Management LLC |
13F
Company
|
1.2%
|
$16,789,825
1,053,314 shares
|
— | 31 Mar 2025 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
1.1%
|
$14,849,608
931,594 shares
|
— | 31 Mar 2025 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
0.74%
|
$10,248,862
642,965 shares
|
— | 31 Mar 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
136
Shares
13,182,038
Rows available
136
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
140
Q2 2025 holders
136
Holder diff
-4
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|