Kovack Advisors, Inc.

SEC CIK: 0001728321
Latest filing: Jul 28, 2026

SEC filings (opens in a new tab)

ADTN holding history

ADTRAN Holdings, Inc. in every 13F filed by Kovack Advisors, Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ADTN overview All 13F holders of ADTN Full Q2 2026 holdings

Shares (Q2 2026): 696,210
Value: $9.50M
% of portfolio: 0.5%
Quarters held: 19; Since Q1 2021

Holdings of ADTN by Kovack Advisors, Inc., by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	696,210	$9.50M	0.5%	−39,790−5.4%	Reduced	Holders
Q1 2026	736,000	$9.37M	0.5%	−17,550−2.3%	Reduced	Holders
Q4 2025	753,550	$6.55M	0.3%	+45,650+6.4%	Added	Holders
Q3 2025	707,900	$6.64M	0.6%	−6,300−0.9%	Reduced	Holders
Q2 2025	714,200	$6.41M	0.6%	+22,950+3.3%	Added	Holders
Q1 2025	691,250	$6.03M	0.6%	−108,700−13.6%	Reduced	Holders
Q4 2024	799,950	$6.66M	0.7%	+21,100+2.7%	Added	Holders
Q3 2024	778,850	$4.62M	0.5%	+134,900+20.9%	Added	Holders
Q2 2024	643,950	$3.39M	0.4%	+82,600+14.7%	Added	Holders
Q1 2024	561,350	$3.05M	0.4%	+128,600+29.7%	Added	Holders
Q4 2023	432,750	$3.18M	0.4%	+264,950+157.9%	Added	Holders
Q3 2023	167,800	$1.38M	0.2%	+75,600+82.0%	Added	Holders
Q2 2023	92,200	$970.9K	0.1%	+92,200	New	Holders
Q3 2022	0	$0	0.0%	−70,725−100.0%	Sold out	Holders
Q2 2022	70,725	$1.24M	0.2%	−180−0.3%	Reduced	Holders
Q1 2022	70,905	$1.31M	0.1%	−116,400−62.1%	Reduced	Holders
Q4 2021	187,305	$4.28M	0.4%	−1,149−0.6%	Reduced	Holders
Q3 2021	188,454	$3.54M	0.4%	−65,825−25.9%	Reduced	Holders
Q2 2021	254,279	$5.25M	0.6%	−23,400−8.4%	Reduced	Holders
Q1 2021	277,679	$4.63M	0.6%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.