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ADTN — ADTRAN HOLDINGS INC

Reported value held$638.25M
Funds holding (latest)44
SectorUtilities
Funds holding (Q2 2026)38
Institutional value$562.05M · 40.60M sh
New / Add / Cut / Exit5 / 21 / 11 / 2
Top-5 / Top-10 concentration47.9% / 71.1%
Institutional holdings change Accumulating +37.8% (+11.13M sh)
Institutional value change Up +52.2%

As of Q2 2026, 38 SEC-registered investment managers reported holding ADTN (ADTRAN HOLDINGS INC) in their latest 13F filings, with a combined reported value of $562.05M across 40.60M shares. That is +37.8% by share count (+11.13M shares) versus the previous quarter, while reported value moved +52.2%. Ownership is concentrated: the five largest holders account for 47.9% of reported value and the top ten for 71.1%.

Compared with the prior quarter, 5 opened new positions, 21 added to existing stakes, 11 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

ADTN is classified in the Utilities sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 7.84M $108.92M 0.00% Hold
Vanguard Group history Q4 2025 8.19M $71.16M 0.00% Reduce
Royce & Associates history Q2 2026 2.97M $41.32M 0.33% Reduce
UBS Group AG history Q2 2026 2.94M $40.88M 0.01% Add
Two Sigma Investments history Q2 2026 2.90M $40.26M 0.03% Add
Millennium Management history Q2 2026 2.72M $37.85M 0.01% Add
JPMorgan Chase & Co history Q2 2026 2.62M $36.07M 0.00% New
Geode Capital Management history Q2 2026 1.96M $27.22M 0.00% Add
Morgan Stanley history Q2 2026 1.79M $24.92M 0.00% Reduce
Renaissance Technologies history Q2 2026 1.77M $24.65M 0.03% Add
First Eagle Investment Management history Q2 2026 1.25M $17.35M 0.03% Reduce
D. E. Shaw & Co history Q2 2026 1.09M $15.18M 0.01% Reduce
Goldman Sachs Group history Q2 2026 1.05M $14.53M 0.00% Add
Marshall Wace history Q2 2026 1.04M $14.43M 0.01% Add
Fidelity Management & Research (FMR) history Q2 2026 1.01M $14.06M 0.00% Add
Bank of America Corp history Q2 2026 845.42K $11.75M 0.00% Add
Arrowstreet Capital history Q2 2026 786.87K $10.94M 0.01% Add
Point72 Asset Management history Q2 2026 764.78K $10.63M 0.01% Add
Northern Trust Corp history Q2 2026 734.96K $10.22M 0.00% Add
Charles Schwab Investment Management history Q2 2026 714.07K $9.93M 0.00% Add

View all 44 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — 6.86M 6.87M 7.60M 8.06M 8.27M 8.13M 7.84M 7.84M
Royce & Associates 740.31K 668.61K 674.63K 684.43K 882.73K — — — — 487.50K 1.41M 2.10M 2.41M 2.60M 3.13M 2.97M
UBS Group AG — 35.39K 34.69K 45.80K — 30 64.94K 39.73K 37.19K 292.73K 121.41K 293.28K 316.77K 168.21K 249.16K 2.94M
Two Sigma Investments — — — — — 62.96K 202.08K 190.52K 91.80K 96.97K 75.20K 79.86K 106.69K 70.53K 1.12M 2.90M
Millennium Management 117.40K — 72.60K 98.86K 46.09K 66.41K 17.36K 1.55M 1.16M 1.06M 121.26K 206.44K 571.96K 2.69M 1.90M 2.72M
JPMorgan Chase & Co 172.17K 193.69K 61.47K 202.36K 439.13K 473.69K 256.85K 111.44K 124.91K 863.81K 596.65K 456.48K 813.36K 435.18K — 2.62M
Geode Capital Management 1.24M 1.36M 1.42M 1.54M 1.63M 1.68M 1.72M 1.75M 1.81M 1.80M 1.83M 1.75M 1.77M 1.77M 1.82M 1.96M
Morgan Stanley 566.00K 559.87K 442.59K 654.15K 1.26M 1.21M 1.32M 2.14M 2.08M 1.19M 1.04M 944.00K 793.54K 1.34M 1.83M 1.79M
Renaissance Technologies 951.53K 964.87K 1.06M 894.57K 658.67K 485.37K 538.24K 680.34K 400.34K 328.24K 818.13K 668.84K 271.63K 251.84K 202.90K 1.77M
First Eagle Investment Management 44.08K 148.06K 343.58K 752.71K 1.14M 1.27M 406.31K 681.81K 1.00M 1.25M 1.14M 1.13M 1.21M 1.24M 1.37M 1.25M
D. E. Shaw & Co 34.73K — — 17.15K 289.03K 192.31K 318.04K 320.31K 188.14K 231.36K 221.97K — 324.87K 1.20M 1.22M 1.09M
Goldman Sachs Group 437.52K 222.23K 291.54K 238.26K 234.27K 259.18K 185.16K 415.56K 284.68K 381.31K 372.91K 512.18K 644.24K 521.22K 970.71K 1.05M
Marshall Wace 26.77K 18.32K — — 56.49K 51.12K 11.83K 444.20K 213.86K 384.04K 433.92K 816.53K 358.05K — 891.52K 1.04M
Fidelity Management & Research (FMR) 1.65K 2.26K 1.88K 3.41K 3.73K 1.86K 1.29K 1.92K 2.38K 3.10K 4.49K 3.76K 17.88K 197.88K 615.44K 1.01M
Bank of America Corp 238.31K 386.38K 269.22K 352.72K 329.39K 237.66K 690.34K 619.97K 527.41K 634.01K 507.04K 646.37K 430.26K 326.63K 367.23K 845.42K
Arrowstreet Capital 11.44K — — — — — — 12.96K — 731.75K 426.17K 30.58K — 284.50K 455.65K 786.87K
Point72 Asset Management — — — — — 17.30K 20.30K — 19.27K — 27.80K 43.82K 120.70K 421.39K 564.78K 764.78K
Northern Trust Corp 788.03K 842.14K 830.76K 838.39K 780.12K 785.30K 781.42K 663.20K 644.57K 681.88K 744.41K 677.41K 673.87K 642.46K 659.25K 734.96K
Charles Schwab Investment Management 788.23K 782.38K 768.06K 801.91K 912.43K 1.02M 1.14M 1.02M 880.97K 756.90K 704.27K 682.07K 688.44K 686.94K 624.11K 714.07K
AQR Capital Management 11.82K 10.93K — 26.06K 23.84K — — 22.72K 198.00K 98.52K 348.48K 244.33K 176.41K 236.91K 843.92K 671.40K

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