Telephone & Data Systems Inc
TDS.PU- Exchange
- NYSE
- Industry
- Telephone Communications (No Radiotelephone)
- SEC CIK
- 0001051512
In the last 90 days, Telephone & Data Systems Inc insiders filed 0 open-market purchases and 1 sale; 1 institution reported holding it in 13F filings for Q2 2026, worth $1.74M in total; no superinvestor holds it.
Holders of 5% or more of TDS.PU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Telephone & Data Systems Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Picton Mahoney Asset Management | 13G/A | 11.20%1.88M shares | +1.14 ppfrom 10.06% | Aug 6, 20255 filings | Aug 11, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Telephone & Data Systems Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 11, 20269:46 AM ET | Picton Mahoney Asset Management | 13G/A | 11.20%1.88M shares | +1.14 ppfrom 10.06% | Jun 30, 2026 | SEC |
| Apr 27, 202611:05 AM ET | Picton Mahoney Asset Management | 13G/A | 10.06%1.69M shares | +1.96 ppfrom 8.10% | Mar 31, 2026 | SEC |
| Oct 15, 20259:38 AM ET | Picton Mahoney Asset Management | 13G/A | 8.10%1.36M shares | +1.00 ppfrom 7.10% | Sep 30, 2025 | SEC |
| Aug 18, 20253:59 PM ET | Picton Mahoney Asset Management | 13G/A | 7.10%1.19M shares | +1.16 ppfrom 5.94% | Jul 31, 2025 | SEC |
| Aug 6, 20255:04 PM ET | Picton Mahoney Asset Management | 13G | 5.94%998.2K shares | New | Apr 30, 2025 | SEC |
Form 144: proposed insider sales
1 notice from officers, directors and other affiliates planning to sell Telephone & Data Systems Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20235:23 PM ET | Daniel DewittOfficer | 34.1K | $612.0K | Aug 14, 2023 | Morgan Stanley Smith Barney LLC | SEC |