Lynrock Lake (TDC) discloses 7.189M Teradata shares worth about $169.6M

Rhea-AI Filing Summary

Lynrock Lake reports beneficial ownership of 7,189,401 shares of Teradata common stock, representing 7.6% of the outstanding shares. The shares, held directly by Lynrock Lake Master Fund LP, were acquired for an aggregate purchase price of approximately $169,604,662, including commissions.

The ownership percentage is based on 94.1 million Teradata shares outstanding as of April 24, 2026. Lynrock Lake Partners LLC serves as investment manager to the fund, and Cynthia Paul, as Chief Investment Officer and sole member of the general partner, may be deemed to have voting and investment power over these shares.

Key Figures

Beneficial ownership: 7,189,401 shares Ownership percentage: 7.6% Aggregate purchase price: $169,604,662 +3 more

6 metrics

Beneficial ownership 7,189,401 shares Teradata common stock held by Lynrock Lake Master Fund LP

Ownership percentage 7.6% Percent of Teradata common stock class represented by Lynrock Lake’s holdings

Aggregate purchase price $169,604,662 Cost of 7,189,401 Teradata shares, including brokerage commissions

Shares outstanding baseline 94.1 million shares Teradata common stock outstanding as of April 24, 2026

Sole voting power 7,189,401 shares Shares over which each reporting person has sole voting power

Sole dispositive power 7,189,401 shares Shares over which each reporting person has sole dispositive power

Key Terms

beneficially owned, working capital, margin loans, investment manager, +1 more

5 terms

beneficially owned financial

"Rows 11 and 13 of each Reporting Person's cover page set forth the aggregate number of shares of Common Stock and percentages of the shares of Common Stock beneficially owned"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

working capital financial

"The source of the capital to purchase securities of the Issuer was Lynrock Fund's working capital, consisting of contributions from its general and limited partners"

Working capital is the money a business has available to cover its daily expenses, like paying bills and buying supplies. It’s like the cash in your wallet that helps you handle everyday costs; having enough ensures the business can operate smoothly without running into money shortages.

margin loans financial

"working capital, consisting of contributions from its general and limited partners (and which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business)"

Margin loans are loans from a brokerage that let an investor borrow money using their existing stocks, bonds or cash as collateral to buy more securities. They matter because borrowing magnifies both gains and losses—like using a lever to move a heavier load—so small market moves can have outsized effects on your returns; investors also pay interest and risk a margin call, where the broker may force sales if collateral falls below required levels.

investment manager financial

"The Investment Manager is the investment manager of Lynrock Fund, and pursuant to an investment management agreement, the Investment Manager has been delegated full voting and investment power"

dispositive power financial

"Number of Shares Beneficially Owned by Each Reporting Person With: Sole Dispositive Power 7,189,401.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 2)

TERADATA CORP /DE/

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

88076W103

(CUSIP Number)

Cynthia Paul
Lynrock Lake LP, 2 International Drive, Suite 130
Rye Brook, NY, 10573
914-449-4660

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

06/15/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 88076W103

1

Name of reporting person

Lynrock Lake LP

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

AF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 7,189,401.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 7,189,401.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

7,189,401.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.6 %

14

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13D

CUSIP Number(s): 88076W103

1

Name of reporting person

LYNROCK LAKE PARTNERS LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

AF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 7,189,401.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 7,189,401.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

7,189,401.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.6 %

14

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13D

CUSIP Number(s): 88076W103

1

Name of reporting person

Paul Cynthia

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

AF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 7,189,401.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 7,189,401.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

7,189,401.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

7.6 %

14

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.01 per share
(b)	Name of Issuer: TERADATA CORP /DE/
(c)	Address of Issuer's Principal Executive Offices: 17095 VIA DEL CAMPO, SAN DIEGO, CALIFORNIA , 92127.
Item 1 Comment: The following constitutes Amendment No. 2 ("Amendment No. 2") to the Schedule 13D filed by the undersigned with the Securities and Exchange Commission (the "SEC") on March 21, 2025 and amended on February 12, 2026 (as amended, the "Schedule 13D"). This Amendment No. 2 amends and supplements the Schedule 13D as set forth below. Capitalized terms used herein and not otherwise defined in this Amendment No. 2 have the meanings set forth in the Schedule 13D.
Item 3.	Source and Amount of Funds or Other Consideration
	Item 3 is hereby amended and restated to read as follows: The source of the capital to purchase securities of the Issuer was Lynrock Fund's (as defined below) working capital, consisting of contributions from its general and limited partners (and which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 7,189,401 shares of Common Stock reported herein is approximately $169,604,662, including brokerage commissions.
Item 5.	Interest in Securities of the Issuer
(a)	Item 5(a) is hereby amended and restated to read as follows: Rows 11 and 13 of each Reporting Person's cover page to this Schedule 13D set forth the aggregate number of shares of Common Stock and percentages of the shares of Common Stock beneficially owned by such Reporting Person and are incorporated by reference. The percentage set forth in each row 13 is based upon 94.1 million shares of the Issuer's Common Stock outstanding as of April 24, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on May 6, 2026. The Reporting Persons' ownership of the Issuer's securities consists of 7,189,401 shares of Common Stock held directly by Lynrock Lake Master Fund LP ("Lynrock Fund"). The Investment Manager is the investment manager of Lynrock Fund, and pursuant to an investment management agreement, the Investment Manager has been delegated full voting and investment power over securities of the Issuer held by Lynrock Fund. Ms. Paul, the Chief Investment Officer of the Investment Manager and Sole Member of the General Partner, the general partner of the Investment Manager, may be deemed to exercise voting and investment power over securities of the Issuer held by Lynrock Fund.
(c)	Item 5(c) is hereby amended and restated to read as follows: The transactions in the securities of the Issuer by the Reporting Persons during the past sixty days are set forth in Exhibit 1 and are incorporated herein by reference. All of such transactions were effected in the open market unless otherwise noted therein.
Item 7.	Material to be Filed as Exhibits.
	Item 7 is hereby amended to add the following exhibit: 1 - Transactions in Securities.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Lynrock Lake LP

Signature:	/s/ Cynthia Paul
Name/Title:	Cynthia Paul, Sole Member of Lynrock Lake Partners LLC, its General Partner
Date:	06/17/2026

LYNROCK LAKE PARTNERS LLC

Signature:	/s/ Cynthia Paul
Name/Title:	Cynthia Paul, Sole Member
Date:	06/17/2026

Paul Cynthia

Signature:	/s/ Cynthia Paul
Name/Title:	Cynthia Paul
Date:	06/17/2026

FAQ

How large is Lynrock Lake’s stake in Teradata (TDC)?

Lynrock Lake reports beneficial ownership of 7,189,401 Teradata common shares, representing 7.6% of the company’s outstanding stock. This percentage is calculated using 94.1 million shares outstanding as of April 24, 2026, from Teradata’s Form 10-Q.

What is the total cost of Lynrock Lake’s Teradata (TDC) position?

The aggregate purchase price of Lynrock Lake’s 7,189,401 Teradata shares is approximately $169,604,662, including brokerage commissions. The capital came from Lynrock Lake Master Fund LP’s working capital, which consists of partner contributions and may include margin loans from brokerage firms.

Who technically holds the Teradata (TDC) shares reported by Lynrock Lake?

The 7,189,401 Teradata shares are held directly by Lynrock Lake Master Fund LP. Lynrock Lake Partners LLC acts as the investment manager to the fund and has been delegated full voting and investment power over the issuer’s securities held by the fund under an investment management agreement.

What role does Cynthia Paul have in Lynrock Lake’s Teradata (TDC) holdings?

Cynthia Paul is the Chief Investment Officer of the investment manager and the sole member of the general partner of that manager. Through these roles, she may be deemed to exercise voting and investment power over Teradata securities held by Lynrock Lake Master Fund LP.

How was Lynrock Lake’s Teradata (TDC) stake financed?

The stake was financed from Lynrock Lake Master Fund LP’s working capital, funded by contributions from its general and limited partners. This working capital may at times include margin loans made by brokerage firms in the ordinary course of business, according to the filing language.

What time frame of Teradata (TDC) trades does this amendment reference?

The amendment states that transactions in Teradata securities by the reporting persons during the past sixty days are listed in Exhibit 1. It notes that all such transactions were conducted in the open market unless otherwise specified within that exhibit schedule.