Security key
00738A106
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 44,599,832
- Total 13F value
- $836,733,393
- Share change
- -187,290
- Put/Call ratio
- 18%
- SEC-reported price per share
- $18.76
- Number of holders
- 168
- Value change
- -$5,099,010
- Number of buys
- 88
- Number of sells
- 72
Open additional details 1 more signal available
Report period
Q3 2021
Institutions
168
Top holders
10
ADTN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
ADTRAN Holdings, Inc. SEC filings
ADTRAN Holdings, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00738A106
Recent filing periods:
Ownership snapshot
Top reported holders of ADTN - ADTRAN 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 Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
0/15
Latest evidence
30 Jun 2021
13F
Highest disclosed value: $168,675,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. has the largest disclosed position value at $168.68M.
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 BlackRock Finance, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock Finance, Inc.
$168.68M
VANGUARD GROUP INC
$111.14M
VICTORY CAPITAL MANAGEMENT INC
$92.66M
Bank of New York Mellon Corp
$68.17M
DIMENSIONAL FUND ADVISORS LP
$52.22M
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$168,675,000
8,168,317 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$111,137,000
5,381,921 shares
|
— | 30 Jun 2021 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
—
denominator unverified
|
$92,663,000
4,487,308 shares
|
— | 30 Jun 2021 |
| Bank of New York Mellon Corp |
13F
Company
|
—
denominator unverified
|
$68,168,000
3,301,094 shares
|
— | 30 Jun 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$52,217,000
2,528,643 shares
|
— | 30 Jun 2021 |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
Company
|
—
denominator unverified
|
$45,012,000
2,179,735 shares
|
— | 30 Jun 2021 |
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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
168
Shares
44,599,832
Rows available
168
| 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 Q3 2021 vs Q1 2026 Across Filers
Q1 2026 holders
1
Q3 2021 holders
168
Holder diff
167
| Investor | Q1 2026 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q1 2026 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend