ADTRAN Ownership | Who Owns ADTRAN?
ADTRAN Ownership Summary
ADTRAN is owned by 97.75% institutional investors, 2.23% insiders, and 0.02% retail investors. Vanguard group is the largest institutional shareholder, holding 10.27% of ADTN shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.12% of its assets in ADTRAN shares.
ADTN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ADTRAN | 97.75% | 2.23% | 0.02% |
| Sector | Technology Stocks | 36.93% | 14.89% | 48.18% |
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 | 9.82% | $98.63M |
| Royce & associates lp | 3.13M | 3.92% | $39.34M |
| Dnb asset management as | 3.12M | 3.91% | $39.30M |
| State street | 2.35M | 2.94% | $29.57M |
| William blair investment management | 1.99M | 2.49% | $25.03M |
| Millennium management | 1.90M | 2.37% | $23.86M |
| Morgan stanley | 1.83M | 2.29% | $23.06M |
| Geode capital management | 1.82M | 2.28% | $22.89M |
| Divisar capital management | 1.77M | 2.22% | $22.26M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Divisar capital management | 1.77M | 5.67% | $22.26M |
| Tieton capital management | 1.04M | 4.36% | $13.02M |
| 1492 capital management | 625.02K | 2.99% | $7.86M |
| Shannon river fund management | 1.22M | 2.93% | $15.35M |
| Westerly capital management | 800.00K | 2.74% | $10.06M |
| Kerrisdale advisers | 552.01K | 2.64% | $6.94M |
| Worth venture partners | 48.91K | 1.95% | $615.26K |
| Lisanti capital growth | 336.96K | 1.07% | $4.24M |
| White pine capital | 294.37K | 1.04% | $3.70M |
| Manatuck hill partners | 250.00K | 0.85% | $3.15M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Shannon river fund management | 1.22M | 2.93% | 1.22M |
| Boston partners | 1.18M | 0.02% | 1.18M |
| Jpmorgan chase | 1.52M | 0.00% | 1.08M |
| Two sigma investments, lp | 1.12M | 0.01% | 1.05M |
| Marshall wace, llp | 891.52K | 0.01% | 891.52K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Divisar capital management | 1.77M | 5.67% | -1.22M |
| Ophir asset management pty | - | - | -1.07M |
| Sg capital management | - | - | -847.42K |
| Millennium management | 1.90M | 0.01% | -798.39K |
| Assenagon asset management | 457.95K | 0.01% | -671.10K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Shannon river fund management | 1.22M | 2.93% | 1.22M | $15.35M |
| Boston partners | 1.18M | 0.02% | 1.18M | $14.91M |
| Heartland advisors | 750.00K | 0.48% | 750.00K | $9.44M |
| Kerrisdale advisers | 552.01K | 2.64% | 552.01K | $6.94M |
| Vanguard fiduciary trust | 522.53K | 0.00% | 522.53K | $6.57M |
Sold Out
| Holder | Change |
|---|---|
| Clearstead advisors | -30.00 |
| Stephens consulting | -40.00 |
| Ronald blue trust | -60.00 |
| Skopos labs | -86.00 |
| Physician wealth advisors | -123.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 212 | 27.71% | 58,418,403 | -5.29% | 73 | 1.21% | 128 | 40.66% | 56 | 9.80% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.52M | 3.12% | - |
| DNB Teknologi A | 2.33M | 2.89% | - |
| Vanguard US Total Market Shares ETF | 2.18M | 2.72% | - |
| Vanguard Information Technology ETF | 1.78M | 2.22% | 9.82K |
| iShares Russell 2000 ETF | 1.76M | 2.19% | 14.85K |
| First Eagle US Small Cap Strategy | 1.19M | 1.48% | 108.80K |
| First Eagle Small Cap Opportunity I | 1.14M | 1.41% | -58.26K |
| Tieton Small Cap Value | 1.04M | 1.28% | 46.79K |
| State Street® SPDR® S&P® Telecom ETF | 976.55K | 1.21% | - |
| Needham Small Cap Growth Retail | 930.60K | 1.15% | -256.90K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 20, 2026 | Wilson James Denson Jr | Chief Revenue Officer | Sell | $137.37K |
| May 08, 2026 | Glingener Christoph | Chief Technology Officer | Sell | $334.15K |
| May 07, 2026 | Glingener Christoph | Chief Technology Officer | Sell | $1.28M |
| May 07, 2026 | Glingener Christoph | Chief Technology Officer | Sell | $607.17K |
| Mar 04, 2026 | Jacqueline Hourigan Rice | - | Sell | $148.24K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 4 |
| 2025 Q2 | - | - |
| 2024 Q3 | - | - |
| 2024 Q2 | - | - |
| 2024 Q1 | - | - |
ADTN Ownership FAQ
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