Public record / Tickers / ADTN

ADTN — ADTRAN Holdings, Inc.

Both disclosure regimes on one name: who in Congress filed about ADTN, which institutions reported holding it. Each section keeps its own clock — congressional trades on the 45-day PTR clock, 13F holdings as quarter-end snapshots.

Congress txns
1
all PTR rows naming ADTN
Members · 12m
0
0 buys · 0 sells · by trade date
Latest PTR
01-20
filed 2020-01-20
13F holders
219
top-219 slice · 2026-03-31
Congress = transactions in statutory ranges, 45-day lag · Institutions = quarter-end positions, 45-day lagas of 2026-09-14 13:21 UTCno price data — a disclosure record, not a chart

Mo Brooks · $1.0K–$15.0K

Sale · traded 2020-01-02 → filed 2020-01-20. Ranked over every ADTN row by the provable lower bound, never a point estimate.

No member disclosed ADTN in the trailing 12 months

Counts of disclosures by trade date, not dollars — ranges cannot be netted across members. Flow ranges per member are in the table below.

Every row filed inside the 45-day window

Late disclosure is stated on the row, never editorialised. Both dates and the receipt stay on every row.

Congress · disclosure timeline

TRADE DATES · 24M · ▲ BUY ▼ SELL · HEIGHT = LOG LOWER BOUND

No dated ADTN rows fall inside the trailing 24 months by trade date.

Trade date, not filing date — the lag lives in the table below. 0 rows placed.

PLANNED institutional holder flow by quarter

Congressional disclosures

ALL PTR ROWS NAMING ADTN · SORTED FILED ↓ · STATUTORY RANGES · FILED ≤45D LATEfull congressional view ↗
Latest congressional filings mentioning ADTN
Filed ▾MemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2020-01-20Mo Brooks R–AL-5Sale · JT (jointly owned)Traded 01-02 +18d$1K–$15K
Traded → filed dates on every rowEach row shows the trade date and the filing date; the gap between them is the disclosure lag.all 1 ↗

Members active in ADTN

12M · NET LOWER BOUND · COMMITTEES AS OF TRADE DATE · SNAPSHOT 2026-09-14

No member disclosed ADTN in the trailing 12 months.

Congress ↔ notable managers · ADTN

who in Congress disclosed purchases or sales beside which notable managers added or trimmed

Congress · last 90 days

Buyers
0
Sellers
0

filed 2026-06-16 → 2026-09-14 · totals are statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
1 Caxton Associates $308K held
Trimming
0 $0 held

new + add vs trim + exit, by shares · $ = reported value now, not the change · ADTRAN HOLDINGS INC

Merged timeline of congressional filings and notable-manager moves on ADTN
DateWhoChangeSize
2026-05-14Caxton Associates 13Fnew+24,497 sh

1 newest rows · Congress rows date by filing, 13F rows by quarter end · a 13F row is a quarter-end snapshot, not a trade

Institutional holders · 13F · Quarter ended 2026-03-31 · longs only

Top institutional holders of ADTN for quarter 2026-03-31
#FilerValue ▾SecuritiesFlagsSrc
1BlackRock, Inc.$98.6M1
2VANGUARD PORTFOLIO MANAGEMENT LLC$60.0M1
3VANGUARD CAPITAL MANAGEMENT LLC$43.1M1
4ROYCE & ASSOCIATES LP$39.3M1
5DnB Asset Management AS$39.3M1
6STATE STREET CORP$29.6M1
7WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$25.0M1
8MILLENNIUM MANAGEMENT LLC$23.9M1
9MORGAN STANLEY$23.1M1
10GEODE CAPITAL MANAGEMENT, LLC$22.9M1
11Divisar Capital Management LLC$22.3M1
12First Eagle Investment Management, LLC$17.2M1
13DIMENSIONAL FUND ADVISORS LP$16.8M1
14NEEDHAM INVESTMENT MANAGEMENT LLC$15.5M1
15Shannon River Fund Management LLC$15.3M1
16D. E. Shaw & Co., Inc.$15.3M1
17Boston Partners$14.9M1
18TWO SIGMA INVESTMENTS, LP$14.1M1
19SEI INVESTMENTS CO$13.9M1
20Invesco Ltd.$12.5M1
21BARCLAYS PLC$11.7M1
22FEDERATED HERMES, INC.$11.6M1
23Squarepoint Ops LLC$11.2M1
24AQR CAPITAL MANAGEMENT LLC$10.6M1
25WESTERLY CAPITAL MANAGEMENT, LLC$10.1M1
26HEARTLAND ADVISORS INC$9.4M1
27Kovack Advisors, Inc.$9.4M1
28Trexquant Investment LP$8.6M1
29NORTHERN TRUST CORP$8.3M1
301492 Capital Management LLC$7.9M1
31CHARLES SCHWAB INVESTMENT MANAGEMENT INC$7.9M1
32FMR LLC$7.7M1
33Point72 Asset Management, L.P.$7.1M1
34Connor, Clark & Lunn Investment Management Ltd.$7.0M1
35Kerrisdale Advisers, LLC$6.9M1
36VANGUARD FIDUCIARY TRUST CO$6.6M1
37NOMURA HOLDINGS INC$5.8M1
38JACOBS LEVY EQUITY MANAGEMENT, INC$5.8M1
39Assenagon Asset Management S.A.$5.8M1
40ROYAL BANK OF CANADA$5.8M1
41ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$5.7M1
42CITADEL ADVISORS LLC$5.0M1
43WELLS FARGO & COMPANY/MN$4.8M1
44MACKENZIE FINANCIAL CORP$4.6M1
45BANK OF AMERICA CORP /DE/$4.6M1
46Lisanti Capital Growth, LLC$4.2M1
47Nuveen, LLC$4.2M1
48CRAMER ROSENTHAL MCGLYNN LLC$3.6M1
49Qube Research & Technologies Ltd$3.4M1
50ExodusPoint Capital Management, LP$3.3M1
51DEUTSCHE BANK AG\$3.3M1
52Manatuck Hill Partners, LLC$3.1M1
53STATE OF WISCONSIN INVESTMENT BOARD$3.1M1
54UBS Group AG$3.1M1
55Bank of New York Mellon Corp$3.0M1
56Skandinaviska Enskilda Banken AB (publ)$3.0M1
57Engineers Gate Manager LP$2.7M1
58AMERICAN CENTURY COMPANIES INC$2.7M1
59RENAISSANCE TECHNOLOGIES LLC$2.6M1
60HERALD INVESTMENT MANAGEMENT Ltd$2.5M1
61RAYMOND JAMES FINANCIAL INC$2.4M1
62UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$2.4M1
63Inspire Investing, LLC$2.3M1
64AMERIPRISE FINANCIAL INC$2.2M1
65Walleye Trading LLC$1.9M1
66Brevan Howard Capital Management LP$1.8M1
67Swiss National Bank$1.8M1
68OCCUDO QUANTITATIVE STRATEGIES LP$1.8M1
69GLOBEFLEX CAPITAL L P$1.7M1
70Lido Advisors, LLC$1.6M1
71LANDSCAPE CAPITAL MANAGEMENT, L.L.C.$1.6M1
72VICTORY CAPITAL MANAGEMENT INC$1.6M1
73Legato Capital Management LLC$1.5M1
74BNP Paribas Asset Management Holding S.A.$1.5M1
75ALLIANCEBERNSTEIN L.P.$1.5M1
76OP Asset Management Ltd$1.5M1
77SUSQUEHANNA INTERNATIONAL GROUP, LLP$1.4M1
78JANE STREET GROUP, LLC$1.3M1
79Legal & General Group Plc$1.3M1
80HSBC HOLDINGS PLC$1.2M1
81SIMPLEX TRADING, LLC$1.2M1
82RHUMBLINE ADVISERS$1.2M1
83Nierenberg Investment Management Company, LLC$1.2M1
84HighTower Advisors, LLC$1.2M1
85XTX Topco Ltd$1.1M1
86Creative Planning$1.1M1
87Koesten, Hirschmann & Crabtree, INC.$1.1M1
88SUSQUEHANNA ADVISORS GROUP, INC.$1.0M1
89Potomac Capital Management, Inc.$971K1
90POLEN CAPITAL MANAGEMENT LLC$952K1
91Tidal Investments LLC$905K1
92MASSACHUSETTS FINANCIAL SERVICES CO /MA/$851K1
93Schonfeld Strategic Advisors LLC$832K1
94Susquehanna Portfolio Strategies, LLC$826K1
95Vanguard Global Advisers, LLC$793K1
96Numerai GP LLC$772K1
97Quantbot Technologies LP$715K1
98VOYA INVESTMENT MANAGEMENT LLC$713K1
99Man Group plc$681K1
100PDT Partners, LLC$675K1
101EntryPoint Capital, LLC$672K1
102Zurcher Kantonalbank (Zurich Cantonalbank)$664K1
103Quantinno Capital Management LP$660K1
104Y-Intercept (Hong Kong) Ltd$655K1
105FRANKLIN RESOURCES INC$655K1
106Worth Venture Partners, LLC$615K1
107VANGUARD ASSET MANAGEMENT, Ltd$586K1
108nVerses Capital, LLC$564K1
109MetLife Investment Management, LLC$514K1
110Integrated Quantitative Investments LLC$483K1
111QUADRANT CAPITAL GROUP LLC$449K1
112MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$439K1
113IEQ CAPITAL, LLC$432K1
114VOLORIDGE INVESTMENT MANAGEMENT, LLC$427K1
115Jain Global LLC$423K1
116Janus Henderson Group Ltd.$413K1
117Counterpoint Mutual Funds LLC$412K1
118Mariner, LLC$409K1
119VIRTUS ADVISERS, LLC$397K1
120Granahan Investment Management, LLC$387K1
121PANAGORA ASSET MANAGEMENT INC$376K1
122Waverly Advisors, LLC$376K1
123GROUP ONE TRADING LLC$331K1
124MERCER GLOBAL ADVISORS INC /ADV$322K1
125CAXTON ASSOCIATES LLP$308K1
126CWM, LLC$307K1
127Bridgefront Capital, LLC$297K1
128Hillsdale Investment Management Inc.$288K1
129STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$281K1
130NEW YORK STATE COMMON RETIREMENT FUND$275K1
131SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC$257K1
132Headlands Technologies LLC$257K1
133MANUFACTURERS LIFE INSURANCE COMPANY, THE$254K1
134Arizona State Retirement System$249K1
135Cerity Partners LLC$249K1
136CITIGROUP INC$232K1
137FOX RUN MANAGEMENT, L.L.C.$221K1
138INTECH INVESTMENT MANAGEMENT LLC$219K1
139Vanguard Investments Australia, Ltd.$216K1
140STIFEL FINANCIAL CORP$214K1
141KLP KAPITALFORVALTNING AS$210K1
142CANADA PENSION PLAN INVESTMENT BOARD$195K1
143PRELUDE CAPITAL MANAGEMENT, LLC$194K1
144Pictet Asset Management Holding SA$190K1
145WINTON GROUP Ltd$189K1
146Harvest Investment Services, LLC$188K1
147WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$183K1
148Financial Engines Advisors L.L.C.$183K1
149Cinctive Capital Management LP$170K1
150LPL Financial LLC$160K1
151IMC-Chicago, LLC$156K1
152Olympiad Research LP$155K1
153THOMPSON DAVIS & CO., INC.$149K1
154Vident Advisory, LLC$149K1
155PRUDENTIAL FINANCIAL INC$146K1
156ProShare Advisors LLC$136K1
157Tower Research Capital LLC (TRC)$102K1
158Freestone Grove Partners LP$97.3K1
159Ameritas Investment Partners, Inc.$78.2K1
160MAI Capital Management$29.2K1
161Parkside Financial Bank & Trust$26.8K1
162US BANCORP \DE\$20.2K1
163Allworth Financial LP$19.6K1
164SIGNATUREFD, LLC$18.2K1
165FIFTH THIRD BANCORP$16.2K1
166NISA INVESTMENT ADVISORS, LLC$15.9K1
167Tieton Capital Management, LLC$13.0K1
168HRT FINANCIAL LP$7.1K1
169Sterling Capital Management LLC$6.1K1
170OSAIC HOLDINGS, INC.$5.5K1
171Smartleaf Asset Management LLC$5.4K1
172Johnson Financial Group, Inc.$3.7K1
173ALGERT GLOBAL LLC$2.9K1
174True Wealth Design, LLC$2.4K1
175Quarry LP$1.5K1
176ASSETMARK, INC$1.5K1
177N.E.W. Advisory Services LLC$1.3K1
178Private Wealth Management Group, LLC$1.1K1
179GSA CAPITAL PARTNERS LLP$7401
180SJS Investment Consulting Inc.$6171
181SBI Securities Co., Ltd.$2891
182JPL Wealth Management, LLC$2401
183Larson Financial Group LLC$1011
184Caitong International Asset Management Co., Ltd$881
185State of Alaska, Department of Revenue$481
186Jefferies Financial Group Inc.$01
187VANGUARD GROUP INC$01
188NEW YORK STATE TEACHERS RETIREMENT SYSTEM$01
189TEACHER RETIREMENT SYSTEM OF TEXAS$01
190COMERICA BANK$01
191BANK OF MONTREAL /CAN/$01
192VIRGINIA RETIREMENT SYSTEMS ET Al$01
193PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$01
194HUSSMAN STRATEGIC ADVISORS, INC.$01
195LAZARD ASSET MANAGEMENT LLC$01
196BALYASNY ASSET MANAGEMENT L.P.$01
197CIBC Private Wealth Group LLC$01
198Graham Capital Management, L.P.$01
199Alyeska Investment Group, L.P.$01
200Verition Fund Management LLC$01
201TWO SIGMA ADVISERS, LP$01
202BOOTHBAY FUND MANAGEMENT, LLC$01
203RFG Advisory, LLC$01
204Versor Investments LP$01
205Centiva Capital, LP$01
206Steward Partners Investment Advisory, LLC$01
207Atom Investors LP$01
208Global Retirement Partners, LLC$01
209TWINBEECH CAPITAL LP$01
210Aquatic Capital Management LLC$01
211INCEPTIONR LLC$01
212State of Wyoming$01
213Kestra Advisory Services, LLC$01
214Skaana Management L.P.$01
215AlphaQuest LLC$01
216Divisadero Street Capital Management, LP$01
217Polymer Capital Management (US) LLC$01
218Niles Investment Management, LLC$01
219Harbor Asset Planning, Inc.$01
Truncated by Public Filings. The published aggregate ranks the top 219 holders per issuer — a build parameter of the Public Filings aggregation, not a census. Rows beyond it exist in individual filings on EDGAR. methodology §13F ↗
§ derived by Public Filings from the published aggregate (agg_issuer_top_holders); per-filer filed dates, share counts and document links are not in the published aggregate — the EDGAR link opens the filer's 13F list
n/c Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Do the two regimes agree?

TRAILING 12M · CONGRESS vs FILERS NET
Congress net (rows)no rows
Congress net ($ bound)$0
Filers net (actions)not in build
Filers net ($ Q/Q)not in build

The filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.

Signals on ADTN

RETAINED WINDOW · ACTIVE HITS

Zero hits on ADTN in the retained window — a computed answer over every rule, not missing coverage.

Every rule, with its definition →

Planned modules for ADTN · financials and macro

Financials — as filed PLANNED

ADTN's as-reported XBRL fundamentals will appear here when the financials module passes its gates. Until then: ADTN on EDGAR ↗

Macro context PLANNED

Rates, inflation, and positioning series land here with the macro module — vintage-aware, never nowcast.

issuer name from the SEC's present-day ticker file (company_tickers.json) — a present-day mapping, not the name as of each filing