Tronox Holdings plc
TROX- Exchange
- NYSE
- Industry
- Industrial Inorganic Chemicals
- SEC CIK
- 0001530804
No open-market purchases or sales by Tronox Holdings plc insiders were filed in the last 90 days; 239 institutions reported holding it in 13F filings for Q2 2026, worth $783.0M in total; no superinvestor holds it.
Holders of 5% or more of TROX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tronox Holdings plc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Group Inc | 13G/A | 6.22%9.87M shares | – | Oct 31, 20251 filing | Oct 31, 2025 | SEC |
| Dimensional Fund Advisors LP | 13G/A | 5.00%7.87M shares | – | Oct 9, 20251 filing | Oct 9, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Tronox Holdings plc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 31, 202511:30 AM ET | Vanguard Group Inc | 13G/A | 6.22%9.87M shares | – | Sep 30, 2025 | SEC |
| Oct 9, 20251:48 PM ET | Dimensional Fund Advisors LP | 13G/A | 5.00%7.87M shares | – | Sep 30, 2025 | SEC |
| Jun 6, 202510:03 AM ET | FMR LLCand 1 other | 13G/A | 0.20%261.4K shares | −9.40 ppfrom 9.60%Below 5% | May 30, 2025 | SEC |
| Apr 7, 202510:05 AM ET | FMR LLCand 1 other | 13G/A | 9.60%15.2M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Tronox Holdings plc shares.
No Form 144 notices for Tronox Holdings plc are on file.