Teradata Corporation (TDC) Ownership
TDC ownership summary
as of October 18, 2026- Institutions
- 136.1% of shares outstanding
- Insiders
- 0.98% of shares outstanding
- Shares outstanding
- 93.0M
- Float
- 80.7M shares available to trade
- Short interest
- 21.89% 14.5M shares short
- Days to cover
- 8.86 short interest down 7.5% vs prior month
- Institutions 136.08%
- Insiders 0.98%
TDC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 17.63% | 16.4M | $497.7M | +3.8M (+30.6%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 10.61% | 9.9M | $299.5M | +657,910 (+7.1%) | June 30, 2026 |
| 3 | Lynrock Lake LP | 6.83% | 6.3M | $192.8M | −3.0M (−32.1%) | June 30, 2026 |
| 4 | AQR Capital Management LLC | 5.15% | 4.8M | $145.3M | +2.4M (+102.9%) | June 30, 2026 |
| 5 | LSV Asset Management | 4.88% | 4.5M | $137.8M | +1.1M (+32.5%) | June 30, 2026 |
| 6 | Ameriprise Financial Inc | 4.86% | 4.5M | $137.1M | +360,270 (+8.7%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 4.40% | 4.1M | $124.3M | +74,738 (+1.9%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 4.28% | 4.0M | $120.7M | +1.4M (+56.3%) | June 30, 2026 |
| 9 | State Street Corp | 4.27% | 4.0M | $120.5M | +627,158 (+18.8%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 3.67% | 3.4M | $103.6M | +872,992 (+34.4%) | June 30, 2026 |
| 11 | Boston Partners Global Investors, Inc | 3.31% | 3.1M | $93.4M | −140,109 (−4.4%) | June 30, 2026 |
| 12 | UBS Group AG | 3.21% | 3.0M | $90.5M | +1.6M (+112.8%) | June 30, 2026 |
| 13 | Fuller & Thaler Asset Management Inc | 2.56% | 2.4M | $72.2M | +84,224 (+3.7%) | June 30, 2026 |
| 14 | Quantinno Capital Management LP | 2.43% | 2.3M | $68.7M | +969,758 (+74.9%) | June 30, 2026 |
| 15 | Allianz Asset Management AG | 2.31% | 2.1M | $65.1M | +46,801 (+2.2%) | June 30, 2026 |
| 16 | Penserra Capital Management, LLC | 2.16% | 2.0M | $61.1M | +682,337 (+51.3%) | June 30, 2026 |
| 17 | Defiance ETFs, LLC | 2.16% | 2.0M | $61.1M | +682,337 (+51.3%) | June 30, 2026 |
| 18 | Dimensional Fund Advisors, Inc. | 2.12% | 2.0M | $59.9M | +67,624 (+3.5%) | June 30, 2026 |
| 19 | Victory Capital Management Inc. | 1.92% | 1.8M | $54.3M | +418,588 (+30.6%) | June 30, 2026 |
| 20 | Nuveen, LLC | 1.82% | 1.7M | $51.4M | +477,159 (+39.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 18 holders added 16.4M shares and 2 cut 3.1M.
TDC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 5.5M | $168.1M | +1,293 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.06% | 2.8M | $86.4M | −3,746 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.68% | 2.5M | $75.7M | −28,736 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Information Technology ETF | 2.31% | 2.2M | $65.4M | +4,968 (+0.2%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.14% | 2.0M | $60.4M | −65,966 (−3.2%) | September 30, 2026 |
| 6 | Defiance Quantum ETF | 2.12% | 2.0M | $59.9M | +10,556 (+0.5%) | September 30, 2026 |
| 7 | FullerThaler Behavioral Sm-Cp Gr R6 | 1.59% | 1.5M | $45.0M | +82,800 (+5.9%) | March 31, 2026 |
| 8 | PIMCO RAE US Small Instl | 1.47% | 1.4M | $41.6M | −97,533 (−6.6%) | June 30, 2026 |
| 9 | Vanguard MStar Small Cap Value Index | 1.39% | 1.3M | $39.3M | −12,737 (−1.0%) | September 30, 2026 |
| 10 | Vanguard Strategic Equity Inv | 1.33% | 1.2M | $37.6M | — | June 30, 2026 |
| 11 | Fidelity Small Cap Index | 1.13% | 1.0M | $31.8M | +9,196 (+0.9%) | July 31, 2026 |
| 12 | Global X Artfcl Intlgc & Tech ETF | 1.07% | 997K | $30.3M | — | September 30, 2026 |
| 13 | State Street SPDR Port S&P 600 Sm CpETF | 0.92% | 852K | $25.9M | — | September 30, 2026 |
| 14 | Pacer US Small Cap Cash Cows 100 ETF | 0.89% | 824K | $25.0M | +1,851 (+0.2%) | September 30, 2026 |
| 15 | Column Small Cap Select | 0.87% | 810K | $24.6M | +99,676 (+14.0%) | September 30, 2026 |
| 16 | Xtrackers MSCI World Swap ETF 1C | 0.87% | 808K | $24.5M | −20,481 (−2.5%) | December 31, 2025 |
| 17 | Impax Small Cap Institutional | 0.74% | 685K | $20.8M | — | August 31, 2026 |
| 18 | iShares Russell 2000 Growth ETF | 0.68% | 633K | $19.2M | −802 (−0.1%) | September 30, 2026 |
| 19 | Vanguard Explorer Inv | 0.67% | 627K | $19.0M | +39,287 (+6.7%) | June 30, 2026 |
| 20 | Vanguard Tax-Managed Small Cap Adm | 0.67% | 624K | $18.9M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TDC insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-24 | Michael P Gianoni | Sell | $29.96 | 25,000 | $749,000 |
| 2026-02-11 | Lake Lp Lynrock | Sell | $40.29 | 61,990 | $2.5M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
TDC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TDC
Institutional investors own 136.1% of Teradata's shares and insiders 0.98%. The largest holder is BlackRock Inc with 17.63% of the shares (16.4M), as of June 30, 2026. Among the top 20 institutions, 18 added shares and 2 reduced their stake in the latest filings. Short interest is 21.89% of the float, or 8.86 days of average trading volume. The share count fell 37.4% since 2014.
Related: TDC analyst forecast, TDC key metrics. See the TDC stock overview for the latest quote and news.
TDC ownership FAQ
Who owns the most Teradata stock?
The largest shareholders of Teradata are BlackRock Inc (17.63%), Vanguard Portfolio Management, LLC (10.61%), Lynrock Lake LP (6.83%), AQR Capital Management LLC (5.15%), LSV Asset Management (4.88%).
What percentage of Teradata is owned by institutions?
Institutions hold 136.1% of Teradata's shares outstanding; insiders hold 0.98%.
Which funds own Teradata?
The largest fund holders of Teradata are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.06%), iShares Russell 2000 ETF (2.68%), Vanguard Information Technology ETF (2.31%), Vanguard Small Cap Index (2.14%).
What is Teradata's short interest?
14.5M shares of Teradata were sold short, 21.89% of the float; at the average daily volume it would take 8.86 days to cover.
Are insiders buying or selling Teradata?
Of the latest 2 reported insider transactions in Teradata (since February 11, 2026), 0 were purchases and 2 were sales.
How many shares of Teradata are outstanding?
Teradata has 93.0M shares outstanding, of which 80.7M are in the public float.