Security key
74758T303
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 35,060,421
- Total 13F value
- $5,009,847,235
- Share change
- +170,390
- Put/Call ratio
- 5.6%
- SEC-reported price per share
- $142.87
- Number of holders
- 434
- Value change
- +$31,496,597
- Number of buys
- 228
- Number of sells
- 192
- Shares outstanding
- 35,743,769
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
434
Top holders
10
QLYS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Previous quarter: Q1 2025
QUALYS, INC. SEC filings
QUALYS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74758T303
Recent filing periods:
Ownership snapshot
Top reported holders of QLYS - QUALYS, INC. - Common Stock (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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
13D/G
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
14%
VANGUARD GROUP INC
12%
STATE STREET CORP
4%
GEODE CAPITAL MANAGEMENT, LLC
3.5%
Neuberger Berman Group LLC
3.1%
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$719,955,127
5,717,106 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
12%
|
$538,514,963
4,276,304 shares
|
— | 31 Mar 2025 |
| STATE STREET CORP |
13F
Company
|
4%
|
$181,896,692
1,444,427 shares
|
— | 31 Mar 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
3.5%
|
$160,374,141
1,261,119 shares
|
— | 31 Mar 2025 |
| Neuberger Berman Group LLC |
13F
Company
|
3.1%
|
$139,191,689
1,105,310 shares
|
— | 31 Mar 2025 |
| FIRST TRUST ADVISORS LP |
13F
Company
|
3%
|
$134,961,321
1,071,717 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
434
Shares
35,060,421
Rows available
434
| 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
426
Q2 2025 holders
434
Holder diff
8
| 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