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213 hedge funds and large institutions have $612M invested in Adtran in 2025 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 71 increasing their positions, 82 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

488% more call options, than puts

Call options by funds: $1.99M | Put options by funds: $338K

3.41% more ownership

Funds ownership: 84.4%87.81% (+3.4%)

4% less funds holding

Funds holding: 221213 (-8)

7% less capital invested

Capital invested by funds: $659M → $612M (-$47.2M)

13% less repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 82

16% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 31

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
213
Holders Change
-8
Holders Change %
-3.62%
% of All Funds
2.59%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
26
Increased
71
Reduced
82
Closed
31
Calls
$1.99M
Puts
$338K
Net Calls
+$1.65M
Net Calls Change
-$2.02M
Name Holding Trade Value Shares
Change
Change in
Stake
PAM
126
Panagora Asset Management
Massachusetts
$260K +$126K +14,523 +95%
BC
127
Bridgefront Capital
Texas
$258K +$38.9K +4,478 +18%
Russell Investments Group
128
Russell Investments Group
United Kingdom
$251K -$226K -26,092 -47%
EC
129
EntryPoint Capital
New York
$250K -$227K -26,182 -48%
IIM
130
INTECH Investment Management
Florida
$206K -$49.6K -5,720 -19%
Manulife (Manufacturers Life Insurance)
131
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$196K -$22.5K -2,587 -10%
State Board of Administration of Florida Retirement System
132
State Board of Administration of Florida Retirement System
Florida
$194K
New York State Common Retirement Fund
133
New York State Common Retirement Fund
New York
$190K
PFSRSONJ
134
Police & Firemen's Retirement System of New Jersey
New Jersey
$183K
PP
135
PDT Partners
New York
$180K +$180K +20,755 New
ASRS
136
Arizona State Retirement System
Arizona
$174K -$11.2K -1,289 -6%
ACM
137
Aquatic Capital Management
Illinois
$169K +$169K +19,480 New
RA
138
RFG Advisory
Alabama
$165K
Zurich Cantonal Bank
139
Zurich Cantonal Bank
Switzerland
$163K +$39.7K +4,574 +32%
Stifel Financial
140
Stifel Financial
Missouri
$161K -$2.54K -293 -2%
Walleye Trading
141
Walleye Trading
New York
$139K -$10.3K -1,191 -7%
Canada Pension Plan Investment Board
142
Canada Pension Plan Investment Board
Ontario, Canada
$135K -$141K -16,200 -51%
SOW
143
State of Wyoming
Wyoming
$132K +$76.8K +8,847 +139%
Pictet Asset Management
144
Pictet Asset Management
Switzerland
$131K
HIS
145
Harvest Investment Services
Illinois
$131K -$2.51K -289 -2%
Simplex Trading
146
Simplex Trading
Illinois
$129K -$22.5K -2,593 -15%
KK
147
KLP Kapitalforvaltning
Norway
$127K
PCM
148
Prelude Capital Management
New York
$119K -$49.3K -5,681 -29%
CC
149
Centiva Capital
New York
$119K +$119K +13,716 New
Citigroup
150
Citigroup
New York
$118K -$50.7K -5,843 -30%