TERADATA CORP (TDC) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-08-12
12:48 pm
Purchase
2026-06-3013GTERADATA CORORATION DEL
TDC
AQR CAPITAL MANAGEMENT LLC4,785,857
5.090%
4,785,857increase
(New Position)
Filing
History
2026-07-31
10:43 am
Purchase
2026-06-3013GTERADATA CORORATION DEL
TDC
Vanguard Capital Management4,818,462
5.120%
4,818,462increase
(New Position)
Filing
History
2026-07-30
11:18 am
Purchase
2026-06-3013GTERADATA CORORATION DEL
TDC
BlackRock, Inc.
BLK
15,077,980
16.000%
2,304,173increase
(+18.04%)
Filing
History
2026-07-08
6:41 pm
Sale
2026-07-0613DTERADATA CORORATION DEL
TDC
Lynrock Lake LP6,212,370
6.600%
-977,031decrease
(-13.59%)
Filing
History
2026-07-07
2:14 pm
Purchase
2026-06-3013GTERADATA CORORATION DEL
TDC
Vanguard Portfolio Management9,989,653
10.610%
719,023increase
(+7.76%)
Filing
History
2026-06-17
7:54 pm
Sale
2026-06-1513DTERADATA CORORATION DEL
TDC
Lynrock Lake LP7,189,401
7.600%
-2,165,275decrease
(-23.15%)
Filing
History
2026-04-29
3:47 pm
Purchase
2026-03-3113GTERADATA CORORATION DEL
TDC
Vanguard Portfolio Management9,270,630
9.790%
9,270,630increase
(New Position)
Filing
History
2026-03-27
1:34 pm
Sale
2026-03-1313GTERADATA CORORATION DEL
TDC
VANGUARD GROUP INC0
0.000%
-13,152,004decrease
(Position Closed)
Filing
History
2026-02-12
9:04 pm
Sale
2026-02-1013DTERADATA CORORATION DEL
TDC
Lynrock Lake LP9,354,676
10.000%
-61,990decrease
(-0.66%)
Filing
History
2025-08-14
10:08 am
Sale
2025-06-3013GTERADATA CORORATION DEL
TDC
Ameriprise Financial, Inc.
AMP
4,560,927
4.800%
-1,295,700decrease
(-22.12%)
Filing
History
2025-04-17
09:35 am
Purchase
2025-03-3113GTERADATA CORORATION DEL
TDC
BlackRock, Inc.
BLK
12,773,807
13.300%
1,358,629increase
(+11.90%)
Filing
History
2025-03-21
09:09 am
Purchase
2025-03-1413DTERADATA CORORATION DEL
TDC
Lynrock Lake LP9,416,666
9.900%
2,750,000increase
(+41.25%)
Filing
History
2024-11-14
4:01 pm
Purchase
2024-09-3013GTERADATA CORORATION DEL
TDC
Lynrock Lake LP6,666,666
6.900%
1,600,000increase
(+31.58%)
Filing
History
2024-11-12
5:55 pm
Unchanged
2024-09-3013GTERADATA CORORATION DEL
TDC
VANGUARD GROUP INC13,152,004
13.680%
0
(Unchanged)
Filing
History
2024-11-04
1:55 pm
Purchase
2024-09-3013GTERADATA CORORATION DEL
TDC
VANGUARD GROUP INC13,152,004
13.680%
1,688,585increase
(+14.73%)
Filing
History
2024-02-14
2:52 pm
Sale
2023-12-3113GTERADATA CORORATION DEL
TDC
Lynrock Lake LP5,066,666
5.200%
-102,400decrease
(-1.98%)
Filing
History
2024-02-14
10:47 am
Sale
2023-12-3113GTERADATA CORORATION DEL
TDC
Ameriprise Financial, Inc.
AMP
5,856,627
5.990%
-577,590decrease
(-8.98%)
Filing
History
2024-02-13
5:15 pm
Sale
2023-12-2913GTERADATA CORORATION DEL
TDC
VANGUARD GROUP INC11,463,419
11.720%
-229,000decrease
(-1.96%)
Filing
History
2024-01-24
09:46 am
Purchase
2023-12-3113GTERADATA CORORATION DEL
TDC
BlackRock, Inc.
BLK
11,415,178
11.700%
705,242increase
(+6.58%)
Filing
History
2023-02-14
3:08 pm
Purchase
2022-12-3113GTERADATA CORORATION DEL
TDC
Lynrock Lake LP5,169,066
5.100%
5,169,066increase
(New Position)
Filing
History
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