Teradata Corporation (TDC)
NYSE: TDC · Services-Prepackaged Software · San Diego, CA · filing with the SEC since 2007
Grade5.3
◀ Past 5.7● Present 5.9▶ Future 4.6
Who owns Teradata Corporation
As filed with the SECHolders of 5% or more
5
Blackrock, Inc. holds 16% of Common Stock, as its SCHEDULE 13G/A filed Jul 30, 2026 says.
Directors and officers
15
report now, of 45 people on the record since 2007. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 30, 2026 · Common Stock · 13.3% in Apr 17, 2025
Vanguard Portfolio Management
SCHEDULE 13G/A · filed Jul 7, 2026 · Common Stock · 9.79% in Apr 29, 2026
Lynrock Lake LP
SCHEDULE 13D/A · filed Jul 8, 2026 · Common Stock, par value $0.01 per share · 7.6% in Jun 17, 2026
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
AQR Capital Management, LLC
SCHEDULE 13G · filed Aug 12, 2026 · Common Stock, $0.01 par value
Ameriprise Financial, Inc.
SCHEDULE 13G/A · filed Aug 14, 2025 · Common Stock · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What TDC reports owning in othersstakes of 5% or more, and other ties
66 subsidiaries in 43 countries, from the list filed with the 10-K filed Feb 27, 2026.
Insider tradesForm 4
13sales
0purchases
9sales on a scheduled plan
7people selling
$7.9Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 48 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Mcmillan Stephen | President and CEO | 4 | $2.8M | 2 | 0 | $0 |
| Lynrock Lake LP | 10% owner | 3 | $2.5M | 0 | 0 | $0 |
| Petley Richard J | Chief Revenue Officer | 3 | $1.7M | 3 | 0 | $0 |
| Hutchinson Michael D | Chief Operating Officer | 1 | $1.4M | 1 | 0 | $0 |
| Gianoni Michael P | director | 1 | $700,000 | 0 | 0 | $0 |
| Arora Sumeet | Chief Product Officer | 2 | $600,000 | 2 | 0 | $0 |
| Mcelhatton Todd | director | 1 | $500,000 | 0 | 0 | $0 |
| Chou Timothy C K | director | 1 | $200,000 | 1 | 0 | $0 |