ADTRAN Holdings Ownership | Who Owns ADTRAN Holdings?
ADTRAN Holdings Ownership Summary
ADTRAN Holdings is owned by 105.34% institutional investors, 2.25% insiders. Vanguard group is the largest institutional shareholder, holding 10.27% of ADTN shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.17% of its assets in ADTRAN Holdings shares.
ADTN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ADTRAN Holdings | 105.34% | 2.25% | -7.59% |
| Sector | Technology Stocks | 78.14% | 14.97% | 6.89% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 8.19M | 10.27% | $71.16M |
| Blackrock funding, inc. /de | 7.84M | 9.76% | $108.92M |
| Vanguard capital management | 3.51M | 4.37% | $48.79M |
| Royce & associates lp | 3.11M | 3.86% | $21.27M |
| State street | 3.08M | 3.84% | $42.85M |
| Ubs group | 2.94M | 3.66% | $40.88M |
| Two sigma investments, lp | 2.90M | 3.61% | $40.26M |
| Millennium management | 2.72M | 3.39% | $37.85M |
| Jpmorgan chase | 2.62M | 3.27% | $36.07M |
| Dnb asset management as | 2.62M | 3.26% | $36.41M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Divisar capital management | 851.53K | 2.73% | $11.84M |
| 1492 capital management | 573.13K | 2.35% | $7.97M |
| Tieton capital management | 570.54K | 2.28% | $7.93M |
| Gratia capital | 250.49K | 2.11% | $3.48M |
| Westerly capital management | 500.00K | 1.28% | $6.95M |
| Worth venture partners | 30.08K | 0.94% | $418.13K |
| White pine capital | 440.69K | 0.72% | $3.01M |
| Heartland advisors | 750.00K | 0.46% | $10.43M |
| Kovack advisors | 696.21K | 0.46% | $9.50M |
| Dba trading | 35.00K | 0.40% | $239.22K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ubs group | 2.94M | 0.01% | 2.69M |
| Two sigma investments, lp | 2.90M | 0.03% | 1.77M |
| Renaissance | 1.77M | 0.03% | 1.57M |
| Centerbook partners lp | 1.17M | 0.37% | 1.17M |
| Qube research | 1.40M | 0.02% | 1.13M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Shannon river fund management | - | - | -1.22M |
| Sg americas securities | 236.51K | 0.00% | -1.08M |
| Ophir asset management pty | - | - | -1.07M |
| Divisar capital management | 851.53K | 2.73% | -917.91K |
| Sg capital management | - | - | -847.42K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Centerbook partners lp | 1.17M | 0.37% | 1.17M | $8.02M |
| Sixth street partners management company | 714.07K | 0.00% | 714.07K | $9.93M |
| Norges bank | 575.40K | 0.00% | 575.40K | $8.00M |
| Healthcare of ontario pension plan trust fund | 330.10K | 0.01% | 330.10K | $4.59M |
| Gratia capital | 250.49K | 2.11% | 250.49K | $3.48M |
Sold Out
| Holder | Change |
|---|---|
| Larson financial group | -8.00 |
| Physician wealth advisors | -29.00 |
| Stephens consulting | -40.00 |
| Wealth preservation advisors | -53.00 |
| Twin peaks wealth advisors | -60.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 254 | 9.48% | 84,609,964 | 7.66% | 105 | 1.09% | 147 | 8.09% | 73 | 14.06% |
| Mar 31, 2026 | 228 | 5.56% | 78,081,017 | 10.99% | 97 | 1.25% | 132 | 32.00% | 64 | -18.99% |
| Dec 31, 2025 | 44 | -80.79% | 16,645,692 | -75.34% | 20 | 0.29% | 16 | -87.79% | 15 | -75.00% |
| Sep 30, 2025 | 65 | -67.66% | 15,141,633 | -74.46% | 18 | 0.34% | 29 | -69.15% | 19 | -74.32% |
| Jun 30, 2025 | 200 | -6.54% | 59,280,556 | 1.30% | 74 | 1.37% | 92 | -28.13% | 75 | 29.31% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 2.57M | 3.17% | 52.50K |
| Vanguard Total Stock Mkt Idx Inv | 2.57M | 3.17% | 52.50K |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.57M | 3.15% | - |
| Vanguard US Total Market Shares ETF | 2.18M | 2.72% | - |
| iShares Russell 2000 ETF | 1.96M | 2.41% | - |
| DNB Teknologi A | 1.85M | 2.27% | 115.39K |
| Vanguard Information Technology ETF | 1.82M | 2.23% | 4.19K |
| Fidelity Enhanced Small Cap Core ETF | 1.72M | 2.12% | 4.64K |
| Heartland Value Investor | 1.20M | 1.47% | 100.00K |
| Invesco Dorsey Wright Technology MomtETF | 1.10M | 1.36% | 1.30K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 06, 2026 | Santo Timothy P | SVP of Finance; CFO | Buy | $74.19K |
| Nov 06, 2026 | STANTON THOMAS R | Chairman & CEO | Buy | $600.90K |
| Aug 06, 2026 | Santo Timothy P | SVP of Finance; CFO | Buy | $50.00K |
| May 20, 2026 | Wilson James Denson Jr | Chief Revenue Officer | Sell | $137.37K |
| May 07, 2026 | Glingener Christoph | Chief Technology Officer | Sell | $607.17K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | - |
| 2026 Q3 | 1 | - |
| 2026 Q2 | - | 4 |
| 2025 Q2 | - | - |
| 2024 Q3 | - | - |
ADTN Ownership FAQ
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