Companies / ADTRAN Holdings, Inc. / Activity

Activity — ADTRAN Holdings, Inc.

12 moves.

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InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Shannon River Fund Management LLC
13F manager
NewCommon stock$15.35M+1.2M
1,219,976
1.50% of shares
medium
Q1 2026
as of
Boston Partners
13F manager
NewCommon stock$14.91M+1.2M
1,181,314
1.45% of shares
medium
Q1 2026
as of
Marshall Wace, LLP
13F manager
NewCommon stock$11.22M+892K
891,520
1.09% of shares
medium
Q1 2026
as of
Polen Capital Management LLC
13F manager
NewCommon stock$952.2K+76K
75,688
0.09% of shares
low
Q1 2026
as of
Mariner, LLC
13F manager
NewCommon stock$408.9K+33K
32,510
0.04% of shares
low
Q3 2025
as of
Virtus Advisers, LLC
13F manager
NewCommon stock$296.1K+32K
31,571
0.04% of shares
low
Q2 2026
as of
Focused Alpha, LLC
13F manager
NewCommon stock$203.7K+15K
14,657
0.02% of shares
low
Q1 2026
as of
Thompson Davis & Co., Inc.
13F manager
NewCommon stock$149.3K+12K
11,865
0.01% of shares
low
Q1 2026
as of
Prudential Financial Inc
13F manager
NewCommon stock$145.8K+12K
11,593
0.01% of shares
low
Q2 2026
as of
Persistent Asset Partners Ltd
13F manager
NewCommon stock$28.3K+2K
2,035
<0.01% of shares
low
Q1 2026
as of
Tieton Capital Management, LLC
13F manager
NewCommon stock$13.0K+1.0M
1,035,167
1.27% of shares
low
Q2 2026
as of
Pinnacle Wealth Planning Services, Inc.
13F manager
NewCommon stock$1.8K+127
127
<0.01% of shares
low
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