Tronox Holdings plc
US ˙ NYSE ˙ GB00BJT16S69

SecurityTROX / Tronox Holdings plc
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership270,891 shares
Latest Disclosed Value $ 2,646,605
Citadel Advisors Llc ownership in TROX / Tronox Holdings plc

On May 15, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 270,891 shares of Tronox Holdings plc (US:TROX) valued at $2,646,605 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 704,497 shares of Tronox Holdings plc. This represents a change in shares of -61.55% during the quarter. The current value of the position is $2,186,090 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (TROX) in the form of stock options. The firm currently holds call options representing 172,800 of underlying shares valued at $1,688,256 USD and put options representing 100,600 of underlying shares valued at $982,862 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

TROX / Tronox Holdings plc Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F TRONOX HOLDINGS SHS G9087Q102 270,891 -433,606 -61.55 2,647 -9.91 0.0004
2026-02-17 2025-12-31 13F TRONOX HOLDINGS SHS G9087Q102 704,497 -8,355 -1.17 2,938 2.51 0.0004
2025-11-14 2025-09-30 13F TRONOX HOLDINGS SHS G9087Q102 712,852 -2,294,323 -76.29 2,866 -81.21 0.0004
2025-08-14 2025-06-30 13F TRONOX HOLDINGS SHS G9087Q102 3,007,175 756,271 33.60 15,246 -3.79 0.0026
2025-05-15 2025-03-31 13F TRONOX HOLDINGS SHS G9087Q102 2,250,904 1,591,199 241.20 15,846 138.54 0.0030
2025-02-14 2024-12-31 13F TRONOX HOLDINGS SHS G9087Q102 659,705 -491,236 -42.68 6,643 -60.55 0.0011
2024-11-14 2024-09-30 13F TRONOX HOLDINGS SHS G9087Q102 1,150,941 392,674 51.79 16,838 41.53 0.0032
2024-08-14 2024-06-30 13F TRONOX HOLDINGS SHS G9087Q102 758,267 631,425 497.80 11,897 440.77 0.0024
2024-05-15 2024-03-31 13F TRONOX HOLDINGS SHS G9087Q102 126,842 -119,282 -48.46 2,201 -36.87 0.0004
2024-02-14 2023-12-31 13F TRONOX HOLDINGS SHS G9087Q102 246,124 29,849 13.80 3,485 19.92 0.0007
2023-11-14 2023-09-30 13F TRONOX HOLDINGS SHS G9087Q102 216,275 -69,093 -24.21 2,907 -19.88 0.0006
2023-08-14 2023-06-30 13F TRONOX HOLDINGS SHS G9087Q102 285,368 -80,080 -21.91 3,627 -30.98 0.0007
2023-05-15 2023-03-31 13F TRONOX HOLDINGS SHS G9087Q102 365,448 184,694 102.18 5,255 112.07 0.0012
2023-02-14 2022-12-31 13F TRONOX HOLDINGS SHS G9087Q102 180,754 -407,233 -69.26 2,478 -65.60 0.0006
2022-11-14 2022-09-30 13F TRONOX HOLDINGS SHS G9087Q102 587,987 -340,799 -36.69 7,203 -53.84 0.0016
2022-08-15 2022-06-30 13F TRONOX HOLDINGS SHS G9087Q102 928,786 901,254 3,273.48 15,603 2,762.94 0.0040
2022-05-16 2022-03-31 13F TRONOX HOLDINGS SHS G9087Q102 27,532 -103,510 -78.99 545 -82.69 0.0001
2022-02-14 2021-12-31 13F TRONOX HOLDINGS SHS G9087Q102 131,042 -35,291 -21.22 3,149 -23.20 0.0006
2021-11-15 2021-09-30 13F TRONOX HOLDINGS Cmn G9087Q102 166,333 -70,699 -29.83 4,100 -22.79 0.0009
2021-08-16 2021-06-30 13F TRONOX HOLDINGS SHS G9087Q102 237,032 165,985 233.63 5,310 308.46 0.0012
2021-05-21 2021-03-31 13F/A-1 TRONOX HOLDINGS SHS G9087Q102 71,047 -8,816 -11.04 1,300 11.30 0.0003
2021-05-17 2021-03-31 13F TRONOX HOLDINGS SHS G9087Q102 71,047 -8,816 1,300 0.0003
2021-02-16 2020-12-31 13F TRONOX HOLDINGS SHS G9087Q102 79,863 -233,246 -74.49 1,168 -52.60 0.0003
2020-11-16 2020-09-30 13F TRONOX HOLDINGS SHS G9087Q102 313,109 -94,723 -23.23 2,464 -16.30 0.0007
2020-08-14 2020-06-30 13F TRONOX HOLDINGS Cmn G9087Q102 407,832 -91,213 -18.28 2,944 18.42 0.0010
2020-05-15 2020-03-31 13F TRONOX HOLDINGS Cmn G9087Q102 499,045 266,717 114.80 2,486 -6.33 0.0011
2020-02-14 2019-12-31 13F TRONOX HOLDINGS Cmn G9087Q102 232,328 -200,684 -46.35 2,654 -26.15 0.0012
2019-11-14 2019-09-30 13F TRONOX HOLDINGS Cmn G9087Q102 433,012 414,258 2,208.90 3,594 1,397.50 0.0017
2019-08-14 2019-06-30 13F TRONOX HOLDINGS Cmn G9087Q102 18,754 -125,609 -87.01 240 -87.36 0.0001
2019-05-15 2019-03-31 13F TRONOX HOLDINGS Cmn G9087Q102 144,363 144,363 1,898 0.0009
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F TRONOX HOLDINGS SHS Call 172,800 -16.28 1,688 96.28 n/a n/a n/a
2026-02-17 2025-12-31 13F TRONOX HOLDINGS SHS Call 206,400 -25.22 861 -22.45 n/a n/a n/a
2025-11-14 2025-09-30 13F TRONOX HOLDINGS SHS Call 276,000 208.38 1,110 144.81 n/a n/a n/a
2025-08-14 2025-06-30 13F TRONOX HOLDINGS SHS Call 89,500 170.39 454 94.42 n/a n/a n/a
2025-05-15 2025-03-31 13F TRONOX HOLDINGS SHS Call 33,100 -15.35 233 -40.71 n/a n/a n/a
2025-02-14 2024-12-31 13F TRONOX HOLDINGS SHS Call 39,100 -60.30 394 -72.73 n/a n/a n/a
2024-11-14 2024-09-30 13F TRONOX HOLDINGS SHS Call 98,500 11.05 1,441 3.59 n/a n/a n/a
2024-08-14 2024-06-30 13F TRONOX HOLDINGS SHS Call 88,700 -41.61 1,392 -47.21 n/a n/a n/a
2024-05-15 2024-03-31 13F TRONOX HOLDINGS SHS Call 151,900 15.43 2,635 41.44 n/a n/a n/a
2024-02-14 2023-12-31 13F TRONOX HOLDINGS SHS Call 131,600 -44.19 1,863 -41.21 n/a n/a n/a
2023-11-14 2023-09-30 13F TRONOX HOLDINGS SHS Call 235,800 44.66 3,169 53.02 n/a n/a n/a
2023-08-14 2023-06-30 13F TRONOX HOLDINGS SHS Call 163,000 -39.07 2,072 -46.15 n/a n/a n/a
2023-05-15 2023-03-31 13F TRONOX HOLDINGS SHS Call 267,500 81.23 3,847 90.11 n/a n/a n/a
2023-02-14 2022-12-31 13F TRONOX HOLDINGS SHS Call 147,600 107.89 2,024 132.53 n/a n/a n/a
2022-11-14 2022-09-30 13F TRONOX HOLDINGS SHS Call 71,000 48.85 870 8.61 n/a n/a n/a
2022-08-15 2022-06-30 13F TRONOX HOLDINGS SHS Call 47,700 5.53 801 -10.50 n/a n/a n/a
2022-05-16 2022-03-31 13F TRONOX HOLDINGS SHS Call 45,200 -41.30 895 -51.62 n/a n/a n/a
2022-02-14 2021-12-31 13F TRONOX HOLDINGS SHS Call 77,000 50.39 1,850 46.59 n/a n/a n/a
2021-11-15 2021-09-30 13F TRONOX HOLDINGS Cmn Call 51,200 -21.83 1,262 -13.97 n/a n/a n/a
2021-08-16 2021-06-30 13F TRONOX HOLDINGS SHS Call 65,500 -41.41 1,467 -28.30 n/a n/a n/a
2021-05-21 2021-03-31 13F/A TRONOX HOLDINGS SHS Call 111,800 37.18 2,046 71.64 n/a n/a n/a
2021-05-17 2021-03-31 13F TRONOX HOLDINGS SHS Call 111,800 2,046 n/a n/a n/a
2021-02-16 2020-12-31 13F TRONOX HOLDINGS SHS Call 81,500 -13.11 1,192 61.52 n/a n/a n/a
2020-11-16 2020-09-30 13F TRONOX HOLDINGS SHS Call 93,800 -12.58 738 -4.77 n/a n/a n/a
2020-08-14 2020-06-30 13F TRONOX HOLDINGS Cmn Call 107,300 9.38 775 58.49 n/a n/a n/a
2020-05-15 2020-03-31 13F TRONOX HOLDINGS Cmn Call 98,100 -14.99 489 -62.90 n/a n/a n/a
2020-02-14 2019-12-31 13F TRONOX HOLDINGS Cmn Call 115,400 -16.01 1,318 15.61 n/a n/a n/a
2019-11-14 2019-09-30 13F TRONOX HOLDINGS Cmn Call 137,400 32.37 1,140 -14.09 n/a n/a n/a
2019-08-14 2019-06-30 13F TRONOX HOLDINGS Cmn Call 103,800 243.71 1,327 234.26 n/a n/a n/a
2019-05-15 2019-03-31 13F TRONOX HOLDINGS Cmn Call 30,200 -56.17 397 30.59 n/a n/a n/a
2017-01-31 2016-06-30 13F/A TRONOX Cmn Call 68,900 -20.16 304 -44.83 n/a n/a n/a
2016-08-12 2016-06-30 13F TRONOX Cmn Call 68,900 304 n/a n/a n/a
2017-01-31 2016-03-31 13F/A TRONOX Cmn Call 86,300 -29.55 551 15.03 n/a n/a n/a
2016-05-13 2016-03-31 13F TRONOX Cmn Call 86,300 551 n/a n/a n/a
2017-01-31 2015-12-31 13F/A TRONOX Cmn Call 122,500 137.86 479 112.89 n/a n/a n/a
2016-02-12 2015-12-31 13F TRONOX Cmn Call 122,500 479 n/a n/a n/a
2015-11-16 2015-09-30 13F TRONOX Cmn Call 51,500 37.33 225 -59.02 n/a n/a n/a
2015-08-14 2015-06-30 13F TRONOX Cmn Call 37,500 321.35 549 203.31 n/a n/a n/a
2015-05-15 2015-03-31 13F TRONOX Cmn Call 8,900 -81.54 181 -84.27 n/a n/a n/a
2015-02-17 2014-12-31 13F TRONOX Cmn Call 48,200 -19.40 1,151 -26.12 n/a n/a n/a
2014-11-14 2014-09-30 13F TRONOX Cmn Call 59,800 22.54 1,558 18.66 n/a n/a n/a
2014-08-14 2014-06-30 13F TRONOX Cmn Call 48,800 108.55 1,313 136.15 n/a n/a n/a
2014-05-15 2014-03-31 13F TRONOX Cmn Call 23,400 277.42 556 288.81 n/a n/a n/a
2014-02-14 2013-12-31 13F TRONOX Cmn Call 6,200 143 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F TRONOX HOLDINGS SHS Put 100,600 -47.08 983 23.99 n/a n/a n/a
2026-02-17 2025-12-31 13F TRONOX HOLDINGS SHS Put 190,100 -54.92 793 -53.27 n/a n/a n/a
2025-11-14 2025-09-30 13F TRONOX HOLDINGS SHS Put 421,700 162.09 1,695 107.98 n/a n/a n/a
2025-08-14 2025-06-30 13F TRONOX HOLDINGS SHS Put 160,900 57.90 816 13.67 n/a n/a n/a
2025-05-15 2025-03-31 13F TRONOX HOLDINGS SHS Put 101,900 119.14 717 53.21 n/a n/a n/a
2025-02-14 2024-12-31 13F TRONOX HOLDINGS SHS Put 46,500 137.24 468 63.64 n/a n/a n/a
2024-11-14 2024-09-30 13F TRONOX HOLDINGS SHS Put 19,600 81.48 287 69.23 n/a n/a n/a
2024-08-14 2024-06-30 13F TRONOX HOLDINGS SHS Put 10,800 -34.55 169 -40.91 n/a n/a n/a
2024-05-15 2024-03-31 13F TRONOX HOLDINGS SHS Put 16,500 -67.58 286 -60.28 n/a n/a n/a
2024-02-14 2023-12-31 13F TRONOX HOLDINGS SHS Put 50,900 -16.83 721 -12.41 n/a n/a n/a
2023-11-14 2023-09-30 13F TRONOX HOLDINGS SHS Put 61,200 -54.53 823 -51.93 n/a n/a n/a
2023-08-14 2023-06-30 13F TRONOX HOLDINGS SHS Put 134,600 -9.30 1,711 -19.83 n/a n/a n/a
2023-05-15 2023-03-31 13F TRONOX HOLDINGS SHS Put 148,400 202.24 2,134 216.94 n/a n/a n/a
2023-02-14 2022-12-31 13F TRONOX HOLDINGS SHS Put 49,100 -7.01 673 4.02 n/a n/a n/a
2022-11-14 2022-09-30 13F TRONOX HOLDINGS SHS Put 52,800 140.00 647 74.86 n/a n/a n/a
2022-08-15 2022-06-30 13F TRONOX HOLDINGS SHS Put 22,000 30.18 370 10.78 n/a n/a n/a
2022-05-16 2022-03-31 13F TRONOX HOLDINGS SHS Put 16,900 -27.16 334 -40.14 n/a n/a n/a
2022-02-14 2021-12-31 13F TRONOX HOLDINGS SHS Put 23,200 -29.27 558 -31.03 n/a n/a n/a
2021-11-15 2021-09-30 13F TRONOX HOLDINGS Cmn Put 32,800 -31.09 809 -24.11 n/a n/a n/a
2021-08-16 2021-06-30 13F TRONOX HOLDINGS SHS Put 47,600 -26.20 1,066 -9.66 n/a n/a n/a
2021-05-21 2021-03-31 13F/A TRONOX HOLDINGS SHS Put 64,500 51.05 1,180 89.10 n/a n/a n/a
2021-05-17 2021-03-31 13F TRONOX HOLDINGS SHS Put 64,500 1,180 n/a n/a n/a
2021-02-16 2020-12-31 13F TRONOX HOLDINGS SHS Put 42,700 33.02 624 146.64 n/a n/a n/a
2020-11-16 2020-09-30 13F TRONOX HOLDINGS SHS Put 32,100 -30.37 253 -24.02 n/a n/a n/a
2020-08-14 2020-06-30 13F TRONOX HOLDINGS Cmn Put 46,100 -65.93 333 -50.59 n/a n/a n/a
2020-05-15 2020-03-31 13F TRONOX HOLDINGS Cmn Put 135,300 -9.07 674 -60.33 n/a n/a n/a
2020-02-14 2019-12-31 13F TRONOX HOLDINGS Cmn Put 148,800 26.10 1,699 73.54 n/a n/a n/a
2019-11-14 2019-09-30 13F TRONOX HOLDINGS Cmn Put 118,000 87.00 979 21.46 n/a n/a n/a
2019-08-14 2019-06-30 13F TRONOX HOLDINGS Cmn Put 63,100 18.83 806 15.47 n/a n/a n/a
2019-05-15 2019-03-31 13F TRONOX HOLDINGS Cmn Put 53,100 17.22 698 249.00 n/a n/a n/a
2017-01-31 2016-06-30 13F/A TRONOX Cmn Put 45,300 -18.82 200 -43.98 n/a n/a n/a
2016-08-12 2016-06-30 13F TRONOX Cmn Put 45,300 200 n/a n/a n/a
2017-01-31 2016-03-31 13F/A TRONOX Cmn Put 55,800 -37.86 357 1.71 n/a n/a n/a
2016-05-13 2016-03-31 13F TRONOX Cmn Put 55,800 357 n/a n/a n/a
2017-01-31 2015-12-31 13F/A TRONOX Cmn Put 89,800 39.01 351 24.47 n/a n/a n/a
2016-02-12 2015-12-31 13F TRONOX Cmn Put 89,800 351 n/a n/a n/a
2015-11-16 2015-09-30 13F TRONOX Cmn Put 64,600 81.46 282 -45.87 n/a n/a n/a
2015-08-14 2015-06-30 13F TRONOX Cmn Put 35,600 -53.83 521 -66.75 n/a n/a n/a
2015-05-15 2015-03-31 13F TRONOX Cmn Put 77,100 20.47 1,567 2.55 n/a n/a n/a
2015-02-17 2014-12-31 13F TRONOX Cmn Put 64,000 22.61 1,528 12.35 n/a n/a n/a
2014-11-14 2014-09-30 13F TRONOX Cmn Put 52,200 83.80 1,360 78.01 n/a n/a n/a
2014-08-14 2014-06-30 13F TRONOX Cmn Put 28,400 134.71 764 165.28 n/a n/a n/a
2014-05-15 2014-03-31 13F TRONOX Cmn Put 12,100 -14.79 288 -12.20 n/a n/a n/a
2014-02-14 2013-12-31 13F TRONOX Cmn Put 14,200 328 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.