Security key
68373M107
- Security type / class
- Equity / SPONSORED ADS
- 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
Open additional details 1 more signal available
Report period
Q2 2025
Institutions
136
Top holders
10
OPRA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Opera Ltd SEC filings
Opera Ltd company facts
Broader feeds
Reporting periods
Holder history for CUSIP 68373M107
Recent filing periods:
Ownership snapshot
Top reported holders of OPRA - Opera Ltd - SPONSORED ADS (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
0/15
Latest evidence
31 Mar 2025
13F
Highest disclosed value: $24,383,275
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Portolan Capital Management, LLC has the largest disclosed position value at $24.38M.
0 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.
Disclosed position value
Top 5
Portolan Capital Management, LLC
$24.38M
Tidal Investments LLC
$20.63M
MARSHALL WACE, LLP
$17.83M
G2 Investment Partners Management...
$16.79M
ARROWSTREET CAPITAL, LIMITED PART...
$14.85M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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
|
—
class O/S missing
|
$24,383,275
1,529,691 shares
|
— | 31 Mar 2025 |
| Tidal Investments LLC |
13F
Company
|
—
class O/S missing
|
$20,630,871
1,294,283 shares
|
— | 31 Mar 2025 |
| MARSHALL WACE, LLP |
13F
Company
|
—
class O/S missing
|
$17,833,594
1,118,795 shares
|
— | 31 Mar 2025 |
| G2 Investment Partners Management LLC |
13F
Company
|
—
class O/S missing
|
$16,789,825
1,053,314 shares
|
— | 31 Mar 2025 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
class O/S missing
|
$14,849,608
931,594 shares
|
— | 31 Mar 2025 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$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 % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend