Drilling Tools International Corp. (DTI) Ownership
DTI ownership summary
as of October 17, 2026- Institutions
- 27.8% of shares outstanding
- Insiders
- 12.40% of shares outstanding
- Shares outstanding
- 35.3M
- Float
- 13.8M shares available to trade
- Short interest
- 1.30% 255K shares short
- Days to cover
- 1.35 short interest up 74.5% vs prior month
- Institutions 27.76%
- Insiders 12.40%
- Other investors 59.84%
DTI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Gendell Jeffrey L | 6.65% | 2.3M | $4.4M | −62,431 (−2.6%) | June 30, 2026 |
| 2 | Private Management Group Inc | 4.94% | 1.7M | $3.2M | +1.7M (0.0%) | June 30, 2026 |
| 3 | Arrowstreet Capital Limited Partnership | 1.90% | 670K | $1.2M | +450,077 (+204.2%) | June 30, 2026 |
| 4 | Marshall Wace Asset Management Ltd | 1.68% | 594K | $1.1M | +203,259 (+52.0%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 1.53% | 539K | $1.0M | +90,152 (+20.1%) | June 30, 2026 |
| 6 | Acadian Asset Management LLC | 1.10% | 390K | $724,598 | +279,703 (+254.6%) | June 30, 2026 |
| 7 | Dimensional Fund Advisors, Inc. | 0.83% | 293K | $545,670 | +180,262 (+159.4%) | June 30, 2026 |
| 8 | Solidarilty Wealth, LLC | 0.77% | 273K | $506,895 | — | June 30, 2026 |
| 9 | Cresset Asset Management, LLC | 0.73% | 257K | $478,563 | +157,458 (+157.7%) | June 30, 2026 |
| 10 | Walleye Trading Advisors, LLC | 0.69% | 245K | $456,003 | −41,936 (−14.6%) | June 30, 2026 |
| 11 | Jacobs Levy Equity Management, Inc. | 0.63% | 224K | $416,607 | +223,982 (0.0%) | June 30, 2026 |
| 12 | American Century Companies Inc | 0.52% | 182K | $339,244 | +143,361 (+367.3%) | June 30, 2026 |
| 13 | Citadel Advisors Llc | 0.51% | 180K | $335,194 | −139,307 (−43.6%) | June 30, 2026 |
| 14 | Geode Capital Management, LLC | 0.50% | 178K | $330,849 | −9,019 (−4.8%) | June 30, 2026 |
| 15 | Bridgeway Capital Management, LLC | 0.50% | 175K | $325,470 | +103,243 (+143.9%) | June 30, 2026 |
| 16 | Bank of America Corp | 0.39% | 136K | $253,613 | −5,554 (−3.9%) | June 30, 2026 |
| 17 | Renaissance Technologies Corp | 0.38% | 133K | $247,752 | +42,974 (+47.6%) | June 30, 2026 |
| 18 | BlackRock Inc | 0.37% | 132K | $244,919 | +28,770 (+28.0%) | June 30, 2026 |
| 19 | XTX Topco Ltd | 0.27% | 96K | $178,508 | +77,230 (+412.1%) | June 30, 2026 |
| 20 | Vanguard Fiduciary Trust Co | 0.25% | 90K | $166,725 | +626 (+0.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 3.7M shares and 5 cut 258K.
DTI top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.03% | 365K | $678,524 | — | August 31, 2026 |
| 2 | Avantis US Small Cap Value ETF | 0.51% | 181K | $336,046 | — | September 30, 2026 |
| 3 | Fidelity Extended Market Index | 0.23% | 80K | $149,466 | −432 (−0.5%) | August 31, 2026 |
| 4 | Dimensional US Small Cap ETF | 0.22% | 77K | $143,919 | — | September 30, 2026 |
| 5 | Bridgeway Omni Small-Cap Value N | 0.20% | 72K | $133,438 | — | June 30, 2026 |
| 6 | iShares Micro-Cap ETF | 0.18% | 62K | $114,976 | −426 (−0.7%) | September 30, 2026 |
| 7 | EA Bridgeway Omni Small-Cap Value ETF | 0.17% | 60K | $112,351 | — | September 30, 2026 |
| 8 | Bridgeway Ultra-Small Company | 0.14% | 50K | $93,000 | +50,000 (0.0%) | June 30, 2026 |
| 9 | DFA US Small Cap Value I | 0.11% | 38K | $70,812 | — | August 31, 2026 |
| 10 | Dimensional Global Trgtd Value USD Acc | 0.10% | 34K | $62,431 | — | August 31, 2026 |
| 11 | DFA US Micro Cap I | 0.09% | 32K | $60,214 | +4,652 (+16.8%) | August 31, 2026 |
| 12 | NVIT Multi-Manager Small Company I | 0.09% | 30K | $56,142 | — | August 31, 2026 |
| 13 | Dimensional US Small Cap Value ETF | 0.08% | 27K | $50,607 | — | September 24, 2026 |
| 14 | Fidelity Total Market Index | 0.07% | 25K | $47,034 | — | August 31, 2026 |
| 15 | DFA US Targeted Value I | 0.07% | 25K | $46,042 | +6,051 (+32.4%) | August 31, 2026 |
| 16 | Fidelity Series Total Market Index | 0.07% | 24K | $43,760 | — | August 31, 2026 |
| 17 | Multi-Manager Small Cap Eq Strat Inst | 0.05% | 17K | $32,014 | −834 (−4.6%) | August 31, 2026 |
| 18 | Dimensional US Targeted Value ETF | 0.05% | 16K | $30,430 | +102 (+0.6%) | September 30, 2026 |
| 19 | Dimensional VA US Targeted Value | 0.02% | 8,586 | $15,970 | — | August 31, 2026 |
| 20 | Dimensional US Core Equity 2 ETF | 0.02% | 7,740 | $14,396 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
DTI insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-15 | Michael Wayne Jr. Domino | Sell | $2.89 | 2,083 | $6,020 |
| 2026-03-16 | Michael Wayne Jr. Domino | Sell | $3.58 | 2,083 | $7,457 |
| 2026-02-17 | Michael Wayne Jr. Domino | Sell | $3.96 | 6,249 | $24,746 |
| 2026-01-21 | Michael Wayne Jr. Domino | Sell | $4.00 | 24,996 | $99,984 |
| 2026-01-15 | Michael Wayne Jr. Domino | Sell | $3.36 | 2,083 | $6,999 |
| 2025-12-15 | Michael Wayne Jr. Domino | Sell | $2.65 | 2,083 | $5,520 |
| 2025-11-17 | Michael Wayne Jr. Domino | Sell | $2.51 | 2,083 | $5,228 |
| 2025-10-24 | Michael Wayne Jr. Domino | Sell | $2.50 | 2,083 | $5,208 |
| 2025-09-17 | Michael Wayne Jr. Domino | Sell | $2.50 | 4,166 | $10,415 |
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.
DTI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns DTI
Institutional investors own 27.8% of Drilling Tools International's shares and insiders 12.40%. The largest holder is Gendell Jeffrey L with 6.65% of the shares (2.3M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 5 reduced their stake in the latest filings. Short interest is 1.30% of the float, or 1.35 days of average trading volume. The share count rose 31.3% since 2021.
Related: DTI analyst forecast, DTI key metrics. See the DTI stock overview for the latest quote and news.
DTI ownership FAQ
Who owns the most Drilling Tools International stock?
The largest shareholders of Drilling Tools International are Gendell Jeffrey L (6.65%), Private Management Group Inc (4.94%), Arrowstreet Capital Limited Partnership (1.90%), Marshall Wace Asset Management Ltd (1.68%), Vanguard Capital Management, LLC (1.53%).
What percentage of Drilling Tools International is owned by institutions?
Institutions hold 27.8% of Drilling Tools International's shares outstanding; insiders hold 12.40%.
Which funds own Drilling Tools International?
The largest fund holders of Drilling Tools International are Vanguard MStar Total Stk Mkt Idx Invest (1.03%), Avantis US Small Cap Value ETF (0.51%), Fidelity Extended Market Index (0.23%), Dimensional US Small Cap ETF (0.22%), Bridgeway Omni Small-Cap Value N (0.20%).
What is Drilling Tools International's short interest?
255K shares of Drilling Tools International were sold short, 1.30% of the float; at the average daily volume it would take 1.35 days to cover.
Are insiders buying or selling Drilling Tools International?
Of the latest 9 reported insider transactions in Drilling Tools International (since September 17, 2025), 0 were purchases and 9 were sales.
How many shares of Drilling Tools International are outstanding?
Drilling Tools International has 35.3M shares outstanding, of which 13.8M are in the public float.