Twin Tree Management, LP

Position in RIO — Rio Tinto PLC

CIK 1535588 DALLAS, TX

Back to RIO Full portfolio

Position in RIO

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$871,457

+$871,457 QoQ

Shares Held

9,180

Ownership

0.001%

of shares outstanding

% of Portfolio

0.15%

of 13F equity value

Holder Rank

#410

of 966 holders

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in RIO Over Time

Shares Held

Position Value (USD)

Derivatives in RIO

reported options exposure · as of Mar 31, 2026

CallValue

$1,529,956

CallShares

16,400

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Other Industrial Metals & Mining

Basic Materials · as of Jun 30, 2026

Twin Tree Management, LP holds $2,647,053 across 3 Other Industrial Metals & Mining names. RIO ranks #2 (32.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BHP	BHP Group Ltd	16,126	$1,343,457
2	RIO	Rio Tinto PLC This page	9,180	$871,457
3	USAR	USA Rare Earth, Inc.	20,025	$432,139

All Filings in RIO

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34 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$871,457	9,180	-91.5%	Shares	Sole	2026-08-12
2026-03-31	$1,529,956	16,400	-0.6%	Call	Sole	2026-05-14
2025-12-31	$1,320,495	16,500	+16400.0%	Call	Sole	2026-02-11
2025-09-30	$6,601	100	-100.0%	Call	Sole	2025-11-13
2025-06-30	$49,061,363	841,100	-37.6%	Call	Sole	2025-07-28
2025-03-31	$80,999,856	1,348,200	+70.7%	Call	Sole	2025-05-15
2024-12-31	$46,454,019	789,900	+17.2%	Call	Sole	2025-02-10
2024-12-31	$15,778,723	268,300	+100.1%	Put	Sole	2025-02-10
2024-09-30	$7,665,151	107,702	+1583.9%	Shares	Sole	2024-11-13
2024-09-30	$47,968,580	674,000	-38.0%	Call	Sole	2024-11-13
2024-03-31	$8,547,534	134,100	-31.1%	Put	Sole	2024-05-09
2024-03-31	$69,291,754	1,087,100	+1142.4%	Call	Sole	2024-05-09
2023-09-30	$407,041	6,396	-88.1%	Shares	Sole	2023-11-14
2023-06-30	$3,425,654	53,660	-79.9%	Shares	Sole	2023-08-11
2023-03-31	$18,288,142	266,591	+446.8%	Shares	Sole	2023-05-10
2022-09-30	$2,684,285	48,752	-77.5%	Shares	Sole	2022-11-10
2022-03-31	$17,400,168	216,420	+106.3%	Shares	Sole	2022-05-11
2022-03-31	$7,035,000	87,500	-85.1%	Call	Sole	2022-05-11
2021-12-31	$39,387,496	588,400	-4.2%	Call	Sole	2022-02-10
2021-12-31	$7,021,470	104,892	-63.6%	Shares	Sole	2022-02-10
2021-12-31	$13,033,218	194,700	+9.0%	Put	Sole	2022-02-10
2021-09-30	$11,940,734	178,700	+85.6%	Put	Sole	2021-11-12
2021-09-30	$41,020,798	613,900	+199.8%	Call	Sole	2021-11-12
2021-06-30	$17,180,672	204,800	0.0%	Call	Sole	2021-08-12
2021-06-30	$8,078,607	96,300	0.0%	Put	Sole	2021-08-12
2021-03-31	$7,477,695	96,300	—	Put	Sole	2021-05-17
2021-03-31	$15,902,720	204,800	+40860.0%	Call	Sole	2021-05-17
2020-12-31	$37,610	500	0.0%	Call	Sole	2021-02-12
2020-09-30	$30,195	500	-99.7%	Call	Sole	2020-11-13
2020-09-30	$17,382,295	287,834	+75.6%	Shares	Sole	2020-11-13
2020-06-30	$9,207,845	163,899	+1006.9%	Shares	Sole	2020-08-12
2020-06-30	$8,438,236	150,200	+37450.0%	Call	Sole	2020-08-12
2020-03-31	$674,606	14,807	—	Shares	Sole	2020-05-13
2020-03-31	$18,224	400	—	Call	Sole	2020-05-13
No filing history on record for this holder in this stock.