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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
CIAM
226
Caitong International Asset Management
Hong Kong
$88 -$791 -78 -92%
HNB
227
Huntington National Bank
Ohio
$34
OAM
228
Ophir Asset Management
Australia
-$9.29M -1,069,420 Closed
Alyeska Investment Group
229
Alyeska Investment Group
Illinois
-$4.74M -545,464 Closed
AI
230
Atom Investors
Texas
-$3.82M -439,946 Closed
NIM
231
Niles Investment Management
Florida
-$1.3M -149,494 Closed
HSA
232
Hussman Strategic Advisors
Maryland
-$1.28M -147,000 Closed
Balyasny Asset Management
233
Balyasny Asset Management
Illinois
-$891K -102,503 Closed
BFM
234
Boothbay Fund Management
New York
-$885K -101,822 Closed
Verition Fund Management
235
Verition Fund Management
Connecticut
-$833K -95,827 Closed
GCM
236
Graham Capital Management
Connecticut
-$588K -67,670 Closed
VI
237
Versor Investments
New York
-$527K -60,600 Closed
Teacher Retirement System of Texas
238
Teacher Retirement System of Texas
Texas
-$499K -57,432 Closed
Two Sigma Advisers
239
Two Sigma Advisers
New York
-$495K -57,000 Closed
Bank of Montreal
240
Bank of Montreal
Ontario, Canada
-$437K -50,328 Closed
I
241
InceptionR
California
-$394K -45,338 Closed
Lazard Asset Management
242
Lazard Asset Management
New York
-$393K -45,238 Closed
ACM
243
Aquatic Capital Management
Illinois
-$169K -19,480 Closed
RA
244
RFG Advisory
Alabama
-$165K -18,987 Closed
SOW
245
State of Wyoming
Wyoming
-$132K -15,203 Closed
CC
246
Centiva Capital
New York
-$119K -13,716 Closed
JFG
247
Jefferies Financial Group
New York
-$111K -12,800 Closed
SIP
248
Stoneridge Investment Partners
Pennsylvania
-$109K -12,503 Closed
TC
249
TwinBeech Capital
New York
-$96.5K -11,100 Closed
SM
250
Skaana Management
New York
-$92.1K -10,600 Closed