Tronox Holdings plc (TROX) Ownership
TROX ownership summary
as of October 18, 2026- Institutions
- 80.9% of shares outstanding
- Insiders
- 25.54% of shares outstanding
- Shares outstanding
- 159.7M
- Float
- 118.9M shares available to trade
- Short interest
- 15.61% 18.6M shares short
- Days to cover
- 7.78 short interest down 6.9% vs prior month
- Institutions 80.87%
- Insiders 25.54%
TROX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.10% | 11.3M | $39.3M | −48,936 (−0.4%) | June 30, 2026 |
| 2 | Van Eck Associates Corporation | 5.05% | 8.1M | $28.0M | −920,588 (−10.2%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 4.17% | 6.7M | $23.1M | +1.2M (+22.0%) | June 30, 2026 |
| 4 | PRIMECAP Management Company | 3.42% | 5.5M | $19.0M | −10,000 (−0.2%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 3.31% | 5.3M | $18.3M | +100,426 (+1.9%) | June 30, 2026 |
| 6 | D. E. Shaw & Co LP | 3.17% | 5.1M | $17.6M | +1.4M (+38.9%) | June 30, 2026 |
| 7 | Charles Schwab Investment Management Inc | 3.07% | 4.9M | $17.0M | −834,428 (−14.6%) | June 30, 2026 |
| 8 | Point72 Asset Management, L.P. | 2.91% | 4.6M | $16.1M | −197,939 (−4.1%) | June 30, 2026 |
| 9 | American Century Companies Inc | 2.52% | 4.0M | $14.0M | +1.3M (+48.4%) | June 30, 2026 |
| 10 | Deutsche Bank AG | 2.51% | 4.0M | $13.9M | +75,215 (+1.9%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 2.44% | 3.9M | $13.5M | +516,503 (+15.3%) | June 30, 2026 |
| 12 | Two Sigma Investments LLC | 2.43% | 3.9M | $13.5M | +1.9M (+97.5%) | June 30, 2026 |
| 13 | Millennium Management LLC | 2.19% | 3.5M | $12.1M | +1.5M (+78.3%) | June 30, 2026 |
| 14 | State Street Corp | 1.95% | 3.1M | $10.8M | +92,638 (+3.1%) | June 30, 2026 |
| 15 | Geode Capital Management, LLC | 1.92% | 3.1M | $10.7M | +130,995 (+4.5%) | June 30, 2026 |
| 16 | Shah Capital Management | 1.83% | 2.9M | $10.1M | +344,993 (+13.4%) | September 30, 2026 |
| 17 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.30% | 2.1M | $7.2M | +301,895 (+17.0%) | June 30, 2026 |
| 18 | Lightrock Netherland B.V | 1.28% | 2.1M | $7.1M | −60,000 (−2.8%) | June 30, 2026 |
| 19 | Impala Asset Management LLC | 1.20% | 1.9M | $6.7M | +1.4M (+262.3%) | June 30, 2026 |
| 20 | Vanguard Portfolio Management, LLC | 0.93% | 1.5M | $5.1M | +338,574 (+29.6%) | 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 10.7M shares and 6 cut 2.1M.
TROX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | VanEck Rare Earth & Strat Mtls ETF | 2.76% | 4.4M | $15.3M | — | September 30, 2026 |
| 2 | Vanguard PRIMECAP Core Inv | 2.59% | 4.1M | $14.3M | — | June 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 2.38% | 3.8M | $13.2M | — | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 1.96% | 3.1M | $10.9M | −36,032 (−1.1%) | September 30, 2026 |
| 5 | Avantis US Small Cap Value ETF | 1.90% | 3.0M | $10.5M | +5,976 (+0.2%) | September 30, 2026 |
| 6 | VanEck RreErth&StratMtlsETFA$Acc | 1.65% | 2.6M | $9.2M | — | September 30, 2026 |
| 7 | Schwab Fundamental U.S. Small CompanyETF | 1.37% | 2.2M | $7.6M | +3,115 (+0.1%) | September 30, 2026 |
| 8 | DFA US Small Cap Value I | 1.33% | 2.1M | $7.4M | +229,461 (+12.1%) | August 31, 2026 |
| 9 | Lightrock Global Small-Cap R EUR Acc | 1.28% | 2.1M | $7.1M | −25,009 (−1.2%) | June 30, 2026 |
| 10 | PRIMECAP Odyssey Stock | 0.84% | 1.3M | $4.6M | — | June 30, 2026 |
| 11 | Fidelity Small Cap Index | 0.82% | 1.3M | $4.5M | +12,709 (+1.0%) | July 31, 2026 |
| 12 | iShares Russell 2000 Value ETF | 0.71% | 1.1M | $3.9M | +1,716 (+0.2%) | September 30, 2026 |
| 13 | Kempen (Lux) Global Small-Cap I | 0.56% | 902K | $3.1M | — | June 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.43% | 690K | $2.4M | +6,329 (+0.9%) | September 30, 2026 |
| 15 | Schwab US Small-Cap ETF™ | 0.39% | 628K | $2.2M | +423 (+0.1%) | September 30, 2026 |
| 16 | Dimensional US Targeted Value ETF | 0.39% | 626K | $2.2M | +331 (+0.1%) | September 30, 2026 |
| 17 | DFA US Targeted Value I | 0.38% | 613K | $2.1M | +127,836 (+26.3%) | August 31, 2026 |
| 18 | Fidelity Extended Market Index | 0.38% | 613K | $2.1M | +119,212 (+24.2%) | August 31, 2026 |
| 19 | Schwab Fundamental US Small Company Idx | 0.36% | 572K | $2.0M | −231,519 (−28.8%) | September 30, 2026 |
| 20 | Xtrackers MSCI EM Swap ETF 1C | 0.34% | 547K | $1.9M | −640,266 (−53.9%) | December 31, 2025 |
Funds report holdings monthly or quarterly; dates differ by fund.
TROX insider transactions
latest 14| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | Jean Francois Turgeon | Sell | $6.60 | 18,563 | $122,516 |
| 2026-03-06 | Jeffrey A Engle | Sell | $6.60 | 14,575 | $96,195 |
| 2026-03-06 | Jeffrey N Neuman | Sell | $6.59 | 22,965 | $151,339 |
| 2026-03-06 | John D Romano | Sell | $6.59 | 101,600 | $669,544 |
| 2026-03-06 | Jonathan Flood | Sell | $6.58 | 8,008 | $52,693 |
| 2026-03-05 | Jonathan Flood | Sell | $7.55 | 7,000 | $52,850 |
| 2025-08-12 | Peter Johnston | Buy | $3.21 | 20,000 | $64,200 |
| 2025-08-07 | Jean Francois Turgeon | Buy | $3.21 | 31,150 | $99,992 |
| 2025-08-07 | Stephen J Jones | Buy | $3.19 | 8,000 | $25,520 |
| 2025-08-06 | Stephen J Jones | Buy | $3.20 | 7,000 | $22,400 |
| 2025-08-05 | Stephen J Jones | Buy | $3.32 | 6,000 | $19,920 |
| 2025-08-01 | Jeffrey A Engle | Buy | $3.07 | 12,600 | $38,682 |
| 2025-08-01 | John D Romano | Buy | $3.09 | 100,000 | $309,000 |
| 2025-05-07 | Jeffrey N Neuman | Buy | $4.89 | 10,266 | $50,201 |
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.
TROX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TROX
Institutional investors own 80.9% of Tronox's shares and insiders 25.54%. The largest holder is BlackRock Inc with 7.10% of the shares (11.3M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 6 reduced their stake in the latest filings. Short interest is 15.61% of the float, or 7.78 days of average trading volume. The share count rose 37.9% since 2014.
Related: TROX analyst forecast, TROX key metrics, TROX dividend history. See the TROX stock overview for the latest quote and news.
TROX ownership FAQ
Who owns the most Tronox stock?
The largest shareholders of Tronox are BlackRock Inc (7.10%), Van Eck Associates Corporation (5.05%), Dimensional Fund Advisors, Inc. (4.17%), PRIMECAP Management Company (3.42%), Vanguard Capital Management, LLC (3.31%).
What percentage of Tronox is owned by institutions?
Institutions hold 80.9% of Tronox's shares outstanding; insiders hold 25.54%.
Which funds own Tronox?
The largest fund holders of Tronox are VanEck Rare Earth & Strat Mtls ETF (2.76%), Vanguard PRIMECAP Core Inv (2.59%), Vanguard MStar Total Stk Mkt Idx Invest (2.38%), iShares Russell 2000 ETF (1.96%), Avantis US Small Cap Value ETF (1.90%).
What is Tronox's short interest?
18.6M shares of Tronox were sold short, 15.61% of the float; at the average daily volume it would take 7.78 days to cover.
Are insiders buying or selling Tronox?
Of the latest 14 reported insider transactions in Tronox (since May 7, 2025), 8 were purchases and 6 were sales.
How many shares of Tronox are outstanding?
Tronox has 159.7M shares outstanding, of which 118.9M are in the public float.