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227 hedge funds and large institutions have $987M invested in Adtran in 2026 Q1 according to their latest regulatory filings, with 50 funds opening new positions, 86 increasing their positions, 64 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more funds holding in top 10

Funds holding in top 10: 25 (+3)

89% more call options, than puts

Call options by funds: $1.78M | Put options by funds: $943K

61% more capital invested

Capital invested by funds: $612M → $987M (+$376M)

61% more first-time investments, than exits

New positions opened: 50 | Existing positions closed: 31

34% more repeat investments, than reductions

Existing positions increased: 86 | Existing positions reduced: 64

9.53% more ownership

Funds ownership: 87.81%97.35% (+9.5%)

7% more funds holding

Funds holding: 213227 (+14)

Holders
227
Holders Change
+14
Holders Change %
+6.57%
% of All Funds
2.8%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.06%
New
50
Increased
86
Reduced
64
Closed
31
Calls
$1.78M
Puts
$943K
Net Calls
+$842K
Net Calls Change
-$807K
Name Holding Trade Value Shares
Change
Change in
Stake
Creative Planning
101
Creative Planning
Kansas
$1.09M +$259K +25,571 +42%
KHC
102
Koesten Hirschmann & Crabtree
Kansas
$1.07M +$146K +14,406 +20%
SAG
103
Susquehanna Advisors Group
Pennsylvania
$1.03M -$8.7K -858 -1%
PCM
104
Potomac Capital Management
New York
$971K +$782K +77,200 New
Polen Capital Management
105
Polen Capital Management
Florida
$952K +$767K +75,688 New
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$906K -$5.62K -554 -0.8%
TI
107
Tidal Investments
Wisconsin
$905K +$729K +71,900 New
Massachusetts Financial Services
108
Massachusetts Financial Services
Massachusetts
$851K -$18.2K -1,796 -3%
SSA
109
Schonfeld Strategic Advisors
New York
$832K +$670K +66,132 New
SPS
110
Susquehanna Portfolio Strategies
Pennsylvania
$826K
VGA
111
Vanguard Global Advisers
Pennsylvania
$793K +$639K +63,035 New
N
112
Numerai
California
$772K -$133K -13,161 -18%
GCP
113
GSA Capital Partners
United Kingdom
$740K -$996K -98,299 -63%
QT
114
Quantbot Technologies
New York
$715K +$466K +45,989 +425%
VOYA Investment Management
115
VOYA Investment Management
Georgia
$713K -$6.8K -671 -1%
Man Group
116
Man Group
United Kingdom
$681K -$1.22M -120,503 -69%
PP
117
PDT Partners
New York
$675K +$333K +32,886 +158%
EC
118
EntryPoint Capital
New York
$672K +$250K +24,683 +86%
Zurich Cantonal Bank
119
Zurich Cantonal Bank
Switzerland
$664K +$345K +33,996 +181%
QCM
120
Quantinno Capital Management
New York
$660K +$83.9K +8,281 +19%
YIH
121
Y-Intercept (HK)
Hong Kong
$655K +$165K +16,272 +45%
Franklin Resources
122
Franklin Resources
California
$655K -$280K -27,663 -35%
WVP
123
Worth Venture Partners
New Jersey
$615K -$117K -11,584 -19%
VAM
124
Vanguard Asset Management
$586K +$472K +46,550 New
NC
125
nVerses Capital
Florida
$564K +$455K +44,853 New