Teradata Corporation
Teradata Corporation (TDC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TDC · as of Sep 30, 2025
Ownership Breakdown
373
Institutional Holders
▼ 7 vs Q2
$2.07B
Total Inst. Value
▼ $23.67M vs Q2
94.10M
Shares Outstanding
freeFloat 88.41%
96.03M
13F Shares Held
▲ 2.32M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TDC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-prepackaged software | 12.34M | 12.95% | 12.95% | $265.45B | Nov 7, 2025 | ▼ 52.4K |
BLACKROCK, INC. services-prepackaged software | 12.24M | 12.84% | 12.84% | $263.23B | Nov 12, 2025 | ▼ 128.5K |
LYNROCK LAKE LP services-prepackaged software | 9.42M | 9.88% | 9.88% | $202.55B | Nov 14, 2025 | — held |
AMERIPRISE FINANCIAL INC services-prepackaged software | 4.41M | 4.63% | 4.63% | $94.86B | Nov 14, 2025 | ▼ 97.5K |
AQR CAPITAL MANAGEMENT LLC services-prepackaged software | 3.86M | 4.05% | 4.05% | $83.00B | Nov 14, 2025 | ▼ 54.5K |
STATE STREET CORP services-prepackaged software | 3.22M | 3.38% | 3.38% | $69.28B | Nov 14, 2025 | ▲ 4.5K |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 2.26M | 2.38% | 2.38% | $48.69B | Nov 12, 2025 | ▲ 132.5K |
LSV ASSET MANAGEMENT services-prepackaged software | 2.19M | 2.30% | 2.30% | $47.20B | Nov 6, 2025 | ▲ 264.6K |
MORGAN STANLEY services-prepackaged software | 2.02M | 2.12% | 2.12% | $43.38B | May 27, 2026 | ▼ 184.7K |
BOSTON PARTNERS services-prepackaged software | 1.89M | 1.99% | 1.99% | $40.73B | Nov 13, 2025 | ▲ 784.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+4.70M shares1
New Positions
first time holders21
Decreased
−3.04M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.65M
+4.70M / −3.04M
Net new holders
+6
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TDC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
11
Sell transactions
0.73
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Petley Richard J Chief Revenue Officer | Jun 1, 2026 | Sale | 16,237 | $35.00 | $568.3K | 189.6K | Form 4 ↗ |
Petley Richard J Chief Revenue Officer | Jun 1, 2026 | Sale | 990 | $35.01 | $34.7K | 188.6K | Form 4 ↗ |
McElhatton Todd director | May 22, 2026 | Sale | 15,000 | $33.47 | $502.0K | 26.7K | Form 4 ↗ |
Arora Sumeet Chief Product Officer | May 18, 2026 | Tax Withhold | 13,553 | $32.77 | $444.1K | 287.9K | Form 4 ↗ |
Arora Sumeet Chief Product Officer | May 18, 2026 | Tax Withhold | 22,127 | $32.77 | $725.1K | 265.8K | Form 4 ↗ |
Arora Sumeet Chief Product Officer | May 19, 2026 | Sale | 15,000 | $33.00 | $495.0K | 250.8K | Form 4 ↗ |
Ederer John Chief Financial Officer | May 18, 2026 | Tax Withhold | 13,355 | $32.77 | $437.6K | 368.4K | Form 4 ↗ |
Bacus Lisa R director | May 14, 2026 | Award | 8,790 | — | — | 83.9K | Form 4 ↗ |
Gianoni Michael P director | May 14, 2026 | Award | 8,790 | — | — | 40.3K | Form 4 ↗ |
Nelson Kimberly K. director | May 14, 2026 | Award | 8,790 | — | — | 62.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Teradata Corporation (TDC) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 11.59%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Teradata Corporation is VANGUARD GROUP INC, holding approximately 12.34 million shares — equal to 12.95% of outstanding shares — as of September 30, 2025.
A total of 373 institutional investors currently hold TDC stock, with a combined institutional value of approximately $2.07 billion as of the most recent 13F filing period.
Frequently asked questions
TDC ownershipTeradata Corporation (TDC) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.95% stake. Company insiders hold 11.59%. Data sourced from SEC Form 13F as of September 30, 2025.