Adtran HoldingsADTN

13F holders, Q2 2025 (June 30)
193holders −12
25new positions
38sold out
7famous investors
$8.97avg. 13F price*

At the end of Q2 2025, 193 institutions reported holding Adtran Holdings Inc. (ADTN) in their 13F filings, down 12 from Q1 2025. 25 opened new positions and 38 sold out. The largest holders were Vanguard Group Inc. ($73.3M), BlackRock, Inc. ($72.3M) and Divisar Capital Management LLC ($37.9M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Adtran Holdings Inc.
CUSIP
00486H105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 168Q1 2024Q2 2024: 158Q2 2024Q3 2024: 152Q3 2024Q4 2024: 158Q4 2024Q1 2025: 205Q1 2025Q2 2025: 193Q2 2025Q3 2025: 221Q3 2025Q4 2025: 213Q4 2025Q1 2026: 228Q1 2026Q2 2026: 249Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions25$20.7M
Exits38$23.1M

All 13F filers, Q1 2025 → Q2 2025: 9,486,013 shares bought and 8,743,314 shares sold, net +742,699 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 193 holders

Vanguard Group Inc. 0.00% Add +15.1% 8,166,157 $73.3M
BlackRock, Inc. 0.00% Add +6.0% 8,058,350 $72.3M
Divisar Capital Management LLC 8.78% Add +23.4% 4,229,362 $37.9M
William Blair Investment Management, LLC 0.07% Reduce -7.5% 2,902,526 $26.0M
DNB Asset Management AS 0.10% Reduce -23.1% 2,729,515 $24.5M
Royce & Associates LP 0.19% Add +49.5% 2,102,070 $18.9M
State Street Corp. 0.00% Reduce -3.2% 1,855,480 $16.6M
Geode Capital Management, LLC 0.00% Reduce -4.2% 1,749,306 $15.7M
First Eagle Investment Management, LLC 0.02% Reduce -0.9% 1,133,607 $10.2M
Needham Investment Management LLC 0.80% No change 1,120,000 $10.0M
Westerly Capital Management, LLC 3.71% Add +16.8% 975,000 $8.7M
Tieton Capital Management, LLC 3.34% Reduce -0.9% 952,492 $8.5M
Morgan Stanley 0.00% Reduce -9.5% 943,998 $8.5M
SG Capital Management LLC 0.65% New 847,417 $7.6M
Marshall Wace, LLP 0.01% Add +88.2% 816,533 $7.3M
Federated Hermes, Inc. 0.01% Add +0.7% 767,743 $6.9M
Kovack Advisors, Inc. 0.63% Add +3.3% 714,200 $6.4M
Qube Research & Technologies Ltd 0.01% Add +110.7% 686,711 $6.2M
Charles Schwab Investment Management Inc. 0.00% Reduce -3.1% 682,069 $6.1M
Northern Trust Corp. 0.00% Reduce -9.0% 677,409 $6.1M
Renaissance Technologies 0.01% Reduce -18.3% 668,840 $6.0M
Bank of America Corp. 0.00% Add +27.5% 646,367 $5.8M
Squarepoint Ops LLC 0.01% Add +56.4% 630,846 $5.7M
Barclays PLC 0.00% Add +29.8% 594,593 $5.3M
Hillsdale Investment Management Inc. 0.18% Add +38.4% 534,320 $4.8M
Goldman Sachs Group Inc. 0.00% Add +37.4% 512,184 $4.6M
1492 Capital Management LLC 1.96% Reduce -1.5% 472,980 $4.2M
JPMorgan Chase & Co. 0.00% Reduce -23.5% 456,479 $4.1M
Dimensional Fund Advisors LP 0.00% Reduce -0.5% 440,008 $3.9M
Citadel Advisors 0.00% Add +42.3% 405,046 $3.6M
Man Group plc 0.01% Add +264.7% 392,799 $3.5M
Nierenberg Investment Management Company, LLC 1.80% Reduce -21.1% 343,110 $3.1M
Alliancebernstein L.P. 0.00% Add +78.1% 333,610 $3.0M
UBS Group AG 0.00% Add +141.6% 293,284 $2.6M
Trexquant Investment LP 0.03% Reduce -26.3% 289,962 $2.6M
Y-Intercept (Hong Kong) Ltd 0.06% New 287,459 $2.6M
Invesco Ltd. 0.00% Reduce -76.1% 283,133 $2.5M
Cubist Systematic Strategies, LLC 0.03% Reduce -37.9% 278,933 $2.5M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +65.8% 277,820 $2.5M
Ameriprise Financial Inc. 0.00% Reduce -3.3% 262,926 $2.4M
AQR Capital Management 0.00% Reduce -29.9% 244,334 $2.2M
Walleye Capital LLC 0.02% Add +4929.7% 238,963 $2.1M
Raymond James Financial Inc. 0.00% Reduce -37.3% 238,757 $2.1M
SG Americas Securities, LLC 0.01% Add +1.4% 237,207 $2.1M
State of Wisconsin Investment Board 0.01% Add +523.5% 231,106 $2.1M
White Pine Capital LLC 0.66% Add +1.5% 230,445 $2.1M
Mackenzie Financial Corp. 0.00% Add +202.9% 229,137 $2.1M
Manatuck Hill Partners, LLC 0.77% New 228,039 $2.0M
HRT Financial LP 0.01% Add +648.6% 227,539 $2.0M
American Century Companies Inc. 0.00% Add +11.2% 224,015 $2.0M
Bank of New York Mellon Corp 0.00% Reduce -73.0% 216,543 $1.9M
Millennium Management 0.00% Add +70.2% 206,436 $1.9M
Granahan Investment Management, LLC 0.07% Add +455.0% 200,320 $1.8M
HERALD INVESTMENT MANAGEMENT Ltd 0.27% No change 200,000 $1.8M
Norges Bank 0.00% New 198,100 $1.8M
Nuveen, LLC 0.00% Reduce -18.8% 185,301 $1.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +137.7% 179,152 $1.6M
Lazard Asset Management LLC 0.00% New 176,300 $1.6M
Tudor Investment Corporation 0.01% Reduce -65.0% 167,921 $1.5M
Jump Financial, LLC 0.02% New 163,937 $1.5M
Algert Global LLC 0.03% No change 157,650 $1.4M
Swiss National Bank 0.00% Reduce -5.9% 137,400 $1.2M
Susquehanna Fundamental Investments, LLC 0.03% Reduce -9.2% 129,008 $1.2M
Susquehanna International Group, LLP 0.00% Reduce -36.3% 124,513 $1.1M
Paradigm Capital Management Inc. 0.05% Add +50.0% 120,000 $1.1M
Skandinaviska Enskilda Banken AB (publ) 0.00% Reduce -1.5% 118,636 $1.1M
Assenagon Asset Management S.A. 0.00% No change 117,816 $1.1M
Rhumbline Advisers 0.00% Reduce -4.4% 116,661 $1.0M
Healthcare of Ontario Pension Plan Trust Fund 0.00% No change 115,800 $1.0M
Legal & General Group Plc 0.00% Add +13.9% 113,480 $1.0M
Verition Fund Management LLC 0.01% Add +28.5% 109,883 $986K
T. Rowe Price Associates Inc. 0.00% Add +1.9% 103,291 $927K
Victory Capital Management Inc. 0.00% Reduce -2.9% 100,814 $904K
Teacher Retirement System of Texas 0.00% Add +52.5% 99,711 $894K
Susquehanna Advisors Group, Inc. 0.05% Reduce -5.7% 92,112 $826K
Lido Advisors, LLC 0.00% Reduce -0.1% 90,732 $814K
Russell Investments Group, Ltd. 0.00% Add +17.6% 88,384 $793K
Boothbay Fund Management, LLC 0.02% Add +36.0% 82,527 $740K
Susquehanna Portfolio Strategies, LLC 0.02% Add +495.3% 81,264 $729K
Two Sigma Investments, LP 0.00% Add +6.2% 79,864 $716K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -51.2% 73,103 $656K
California State Teachers Retirement System 0.00% Reduce -1.6% 71,104 $638K
Koesten, Hirschmann & Crabtree, INC. 0.33% No change 70,448 $632K
STRS Ohio 0.00% Add +5.8% 67,900 $609K
BNP Paribas Financial Markets 0.00% Reduce -1.7% 67,702 $607K
Massachusetts Financial Services Co. 0.00% Add +1.3% 67,010 $601K
HSBC Holdings PLC 0.00% Add +76.3% 67,322 $600K
Creative Planning 0.00% Add +5.7% 63,774 $572K
Occudo Quantitative Strategies LP 0.06% New 63,686 $571K
Caxton Associates LLP 0.01% Reduce -34.2% 60,754 $545K
Deutsche Bank AG 0.00% Reduce -13.4% 58,259 $523K
Dynamic Technology Lab Private Ltd 0.07% Add +22.3% 56,298 $505K
Brevan Howard Capital Management LP 0.01% New 55,951 $502K
Graham Capital Management, L.P. 0.02% Reduce -29.3% 55,589 $499K
Voya Investment Management LLC 0.00% Add +28.5% 52,268 $469K
Gotham Asset Management 0.00% Add +170.3% 52,018 $467K
Franklin Resources Inc. 0.00% Add +98.5% 51,342 $461K
Versor Investments LP 0.07% New 46,700 $419K
Los Angeles Capital Management LLC 0.00% New 46,629 $418K
MetLife Investment Management, LLC 0.00% No change 45,839 $411K
Stifel Financial Corp. 0.00% Reduce -91.4% 44,333 $398K
Point72 Asset Management 0.00% Add +57.6% 43,824 $393K
Inspire Investing, LLC 0.04% Add +9.8% 43,766 $393K
Wells Fargo & Company 0.00% Reduce -18.5% 42,903 $385K
LPL Financial LLC 0.00% Add +144.5% 42,304 $379K
State of Wyoming 0.05% New 41,674 $374K
Intech Investment Management LLC 0.00% Reduce -12.7% 41,089 $369K
Citigroup Inc. 0.00% Reduce -73.9% 40,835 $366K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -12.9% 40,745 $365K
Counterpoint Mutual Funds LLC 0.03% Reduce -83.2% 38,834 $348K
Engineers Gate Manager LP 0.00% Reduce -42.7% 38,297 $344K
Quadrant Capital Group LLC 0.01% Add +0.4% 36,568 $328K
Worth Venture Partners, LLC 2.70% Add +24.8% 36,467 $327K
Nebula Research & Development LLC 0.03% Reduce -18.4% 35,307 $317K
Tower Research Capital LLC (TRC) 0.01% Add +1055.0% 33,403 $300K
Janus Henderson Group PLC 0.00% No change 32,900 $295K
Quantinno Capital Management LP 0.00% Add +17.9% 32,640 $293K
Integrated Quantitative Investments LLC 0.09% New 32,311 $290K
Waverly Advisors, LLC 0.00% Add +0.0% 31,590 $283K
Arrowstreet Capital, Limited Partnership 0.00% Reduce -92.8% 30,577 $274K
RFG Advisory, LLC 0.01% New 28,987 $260K
Manufacturers Life Insurance Company, The 0.00% Reduce -3.9% 27,091 $243K
Magnetar Financial LLC 0.00% New 26,134 $234K
Two Sigma Advisers, LP 0.00% New 25,100 $225K
XTX Topco Ltd 0.01% Add +83.8% 24,630 $221K
Polymer Capital Management (US) LLC 0.04% Reduce -23.4% 24,540 $220K
State Board of Administration of Florida Retirement System 0.00% No change 22,299 $200K
New York State Common Retirement Fund 0.00% No change 21,858 $196K
Arizona State Retirement System 0.00% Reduce -2.8% 20,990 $188K
Gsa Capital Partners LLP 0.01% Reduce -48.5% 20,422 $183K
Quantbot Technologies LP 0.00% Reduce -84.0% 20,380 $183K
Police & Firemen's Retirement System of New Jersey 0.00% Add +19.7% 19,531 $175K
AlphaQuest LLC 0.02% Reduce -30.8% 18,174 $163K
Harvest Investment Services, LLC 0.03% Reduce -3.3% 16,735 $150K
Walleye Trading LLC 0.00% No change 16,000 $144K
Voloridge Investment Management, LLC 0.00% Reduce -91.6% 15,667 $141K
ProShare Advisors LLC 0.00% Reduce -10.5% 15,252 $137K
Pictet Asset Management Holding SA 0.00% No change 15,108 $136K
KLP Kapitalforvaltning As 0.00% No change 14,600 $131K
Vident Advisory, LLC 0.00% New 14,518 $130K
Osaic Holdings, Inc. 0.00% Reduce -5.1% 14,312 $128K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 14,186 $127K
Cinctive Capital Management LP 0.01% No change 13,522 $121K
Schonfeld Strategic Advisors LLC 0.00% Reduce -83.3% 13,314 $119K
Kestra Advisory Services, LLC 0.00% Add +24.5% 12,707 $114K
Landscape Capital Management, L.L.C. 0.01% Reduce -2.3% 12,583 $113K
Financial Engines Advisors L.L.C. 0.00% No change 12,200 $109K
Petrus Trust Company, LTA 0.01% Reduce -62.2% 11,855 $106K
Public Employees Retirement Association of Colorado 0.00% No change 11,333 $102K
Freedom Investment Management, Inc. 0.01% Reduce -13.1% 11,101 $100K
Park Avenue Securities LLC 0.00% New 10,130 $91K
Ameritas Investment Partners, Inc. 0.00% No change 7,756 $70K
New York State Teachers Retirement System 0.00% New 7,192 $65K
Cwm, LLC 0.00% Reduce -47.1% 7,065 $63K
Covestor Ltd 0.04% Add +8.6% 6,769 $61K
Royal Bank of Canada 0.00% Reduce -28.1% 6,688 $60K
Group One Trading LLC 0.00% New 4,847 $43K
FMR LLC 0.00% Reduce -16.1% 3,764 $34K
GAMMA Investing LLC 0.00% Add +14.2% 3,582 $32K
Cape Investment Advisory, Inc. 0.01% New 3,000 $27K
Point72 Asia (Singapore) Pte. Ltd. 0.00% Reduce -87.9% 2,886 $26K
Versant Capital Management, Inc 0.00% Add +337.8% 2,723 $24K
Simplex Trading, LLC 0.00% New 2,709 $24K
Amalgamated Bank 0.00% No change 2,710 $24K
St Germain D J Co. Inc. 0.00% No change 2,500 $22K
UMB Bank, n.a. 0.00% No change 2,200 $20K
Public Employees Retirement System of Ohio 0.00% Reduce -83.7% 1,945 $17K
US Bancorp \de 0.00% Reduce -30.1% 1,622 $15K
Signaturefd, LLC 0.00% Add +31.5% 1,445 $13K
Nisa Investment Advisors, LLC 0.00% Add +232.8% 1,208 $11K
Comerica Bank 0.00% No change 1,153 $10K
PNC Financial Services Group, Inc. 0.00% Reduce -2.0% 1,150 $10K
Steward Partners Investment Advisory, LLC 0.00% Reduce -29.7% 948 $9K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 615 $6K
Advisors Asset Management, Inc. 0.00% Reduce -2.9% 630 $6K
True Wealth Design, LLC 0.00% Add +314.3% 580 $5K
EverSource Wealth Advisors, LLC 0.00% Add +45.3% 507 $5K
Smartleaf Asset Management LLC 0.00% Reduce -60.9% 364 $3K
Harbor Asset Planning, Inc. 0.00% — 290 $3K
Global Retirement Partners, LLC 0.00% — 262 $2K
Rothschild Investment LLC 0.00% Add +2.0% 260 $2K
Parallel Advisors, LLC 0.00% Reduce -17.1% 228 $2K
Sterling Capital Management LLC 0.00% Reduce -86.8% 180 $2K
Jones Financial Companies LLLP 0.00% No change 151 $1K
Private Wealth Management Group, LLC 0.00% No change 108 $969
Twin Peaks Wealth Advisors, LLC 0.00% New 60 $546
Caitong International Asset Management Co., Ltd 0.00% Add +17.9% 46 $413
Assetmark, Inc. 0.00% New 34 $305
Essential Partners LLC 0.00% — 27 $242
SBI Securities Co., Ltd. 0.00% No change 12 $108
Larson Financial Group LLC 0.00% Reduce -91.7% 3 $27
Huntington National Bank 0.00% No change 1 $9
Clearstead Advisors, LLC 0.00% New 1 $9

"% of holder's portfolio" is ADTN's weight in each manager's 13F, not the share of Adtran Holdings Inc. the manager owns.