MASON CAPITAL MANAGEMENT LLC Historic Quarter Change: USA Other Stocks, Reduced

MASON CAPITAL MANAGEMENT LLC historic quarter change: USA Other Stocks, Reduced

In shares no fund filing gives a ticker for, so this site has no page for them (listed in the US), over 23 quarters from 2013-06-30 to 2026-06-30, MASON CAPITAL MANAGEMENT LLC opened 62 positions, added to 45, reduced 32 and sold out of 69.

Q2 2026: Stock ENVIRI CORP; Country of operation United States; Class COM; Shares before 4,494,536.
Q3 2024: Stock BARNES GROUP INC; Country of operation United States; Class COM; Shares before 1,050,079.
Q1 2024: Stock BARNES GROUP INC; Country of operation United States; Class COM; Shares before 961,364.
Q3 2016: Stock LIBERTY BRAVES GROUP; Country of operation —; Class CL C; Shares before 2,856,034.

Each consecutive pair of Form 13F-HR filings compared (SEC CIK 1218735), 23 quarters: Q2 2026 (2026-03-31 to 2026-06-30, filed 2026-08-14); Q1 2026 (2025-12-31 to 2026-03-31, filed 2026-05-15); Q4 2025 (2025-09-30 to 2025-12-31, filed 2026-02-17); Q3 2025 (2025-06-30 to 2025-09-30, filed 2025-11-14); Q2 2025 (2025-03-31 to 2025-06-30, filed 2025-08-14); Q1 2025 (2024-12-31 to 2025-03-31, filed 2025-05-15); Q4 2024 (2024-09-30 to 2024-12-31, filed 2025-02-14); Q3 2024 (2024-06-30 to 2024-09-30, filed 2024-11-14); Q2 2024 (2024-03-31 to 2024-06-30, filed 2024-08-14); Q1 2024 (2023-12-31 to 2024-03-31, filed 2024-05-15); Q3 2016 (2016-06-30 to 2016-09-30, filed 2016-11-15); Q2 2016 (2016-03-31 to 2016-06-30, filed 2016-08-15); Q1 2016 (2015-12-31 to 2016-03-31, filed 2016-05-16); Q4 2015 (2015-09-30 to 2015-12-31, filed 2016-02-16); Q3 2015 (2015-06-30 to 2015-09-30, filed 2015-11-16); Q2 2015 (2015-03-31 to 2015-06-30, filed 2015-08-14); Q1 2015 (2014-12-31 to 2015-03-31, filed 2015-05-15); Q4 2014 (2014-09-30 to 2014-12-31, filed 2015-02-17); Q3 2014 (2014-06-30 to 2014-09-30, filed 2014-11-14); Q2 2014 (2014-03-31 to 2014-06-30, filed 2014-08-14); Q1 2014 (2013-12-31 to 2014-03-31, filed 2014-05-15); Q4 2013 (2013-09-30 to 2013-12-31, filed 2014-02-14); Q3 2013 (2013-06-30 to 2013-09-30, filed 2013-11-14). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move. Only the filings held here are compared; the firm's 13F-HR filings go back to the quarter ended 2002-12-31. Not compared, as a quarter between them is not held here yet: 2016-09-30 to 2023-12-31 (missing 2016-12-31, 2017-03-31, 2017-06-30, 2017-09-30, 2017-12-31, 2018-03-31, 2018-06-30, 2018-09-30, 2018-12-31, 2019-03-31, 2019-06-30, 2019-09-30, 2019-12-31, 2020-03-31, 2020-06-30, 2020-09-30, 2020-12-31, 2021-03-31, 2021-06-30, 2021-09-30, 2021-12-31, 2022-03-31, 2022-06-30, 2022-09-30, 2022-12-31, 2023-03-31, 2023-06-30, 2023-09-30).

Quarter	Stock	Country of operation	Class	Shares before	Shares after	Share change	Value before	Value after	Value change	Filed
Q2 2026	ENVIRI CORP CUSIP 415864107	United States	COM	4,494,536	1,770,959	-2,723,577	$88,182,796	$38,872,550	-$49,310,246	2026-08-14
Q3 2024	BARNES GROUP INC CUSIP 067806109	United States	COM	1,050,079	548,218	-501,861	$43,483,771	$22,153,489	-$21,330,282	2024-11-14
Q1 2024	BARNES GROUP INC CUSIP 067806109	United States	COM	961,364	790,122	-171,242	$31,369,307	$29,353,032	-$2,016,275	2024-05-15
Q3 2016	LIBERTY BRAVES GROUP CUSIP 531229888		CL C	2,856,034	2,565,423	-290,611	$41,869,000	$44,587,000	+$2,718,000	2016-11-15
Q2 2016	YAHOO INC CUSIP 984332106		COM	13,099,787	3,174,209	-9,925,578	$482,203,000	$119,223,000	-$362,980,000	2016-08-15
Q1 2016	MSG NETWORK INC CUSIP 553573106		CL A	2,247,356	1,869,748	-377,608	$46,745,000	$32,328,000	-$14,417,000	2016-05-16
Q1 2016	VIACOM INC NEW CUSIP 92553P201		CL B	1,019,540	681,930	-337,610	$41,964,000	$28,150,000	-$13,814,000	2016-05-16
Q4 2015	YAHOO INC CUSIP 984332106		COM	16,355,344	10,712,132	-5,643,212	$472,833,000	$356,286,000	-$116,547,000	2016-02-16
Q2 2015	DIRECTV CUSIP 25490A309		COM	6,389,732	2,897,737	-3,491,995	$543,766,000	$268,881,000	-$274,885,000	2015-08-14
Q2 2015	TURQUOISE HILL RES LTD CUSIP 900435108		COM	40,701,935	23,312,463	-17,389,472	$126,990,000	$88,354,000	-$38,636,000	2015-08-14
Q2 2015	TWENTY FIRST CENTY FOX INC CUSIP 90130A200		CL B	12,458,868	11,872,014	-586,854	$409,648,000	$382,516,000	-$27,132,000	2015-08-14
Q2 2015	E M C CORP MASS CUSIP 268648102		COM	4,471,842	4,179,342	-292,500	$114,300,000	$110,293,000	-$4,007,000	2015-08-14
Q1 2015	E M C CORP MASS CUSIP 268648102		COM	15,360,268	4,471,842	-10,888,426	$456,814,000	$114,300,000	-$342,514,000	2015-05-15
Q1 2015	TURQUOISE HILL RES LTD CUSIP 900435108		COM	65,464,750	40,701,935	-24,762,815	$202,941,000	$126,990,000	-$75,951,000	2015-05-15
Q1 2015	YAHOO INC CUSIP 984332106		COM	3,246,248	3,083,642	-162,606	$163,968,000	$137,037,000	-$26,931,000	2015-05-15
Q1 2015	CLEAR CHANNEL OUTDOOR HLDGS CUSIP 18451C109		CL A	4,172,946	2,172,946	-2,000,000	$44,191,000	$21,990,000	-$22,201,000	2015-05-15
Q1 2015	HUBBELL INC CUSIP 443510201		CL B	669,411	508,411	-161,000	$71,513,000	$55,732,000	-$15,781,000	2015-05-15
Q4 2014	TWENTY FIRST CENTY FOX INC CUSIP 90130A200		CL B	19,382,070	11,415,968	-7,966,102	$645,617,000	$421,135,000	-$224,482,000	2015-02-17
Q4 2014	COVIDIEN PLC CUSIP G2554F113		SHS	3,760,073	2,046,505	-1,713,568	$325,284,000	$209,317,000	-$115,967,000	2015-02-17
Q4 2014	HUBBELL INC CUSIP 443510201		CL B	1,497,503	669,411	-828,092	$180,494,000	$71,513,000	-$108,981,000	2015-02-17
Q4 2014	TURQUOISE HILL RES LTD CUSIP 900435108		COM	76,272,018	65,464,750	-10,807,268	$285,257,000	$202,941,000	-$82,316,000	2015-02-17
Q4 2014	ALLERGAN INC CUSIP 018490102		COM	1,484,680	898,029	-586,651	$264,555,000	$190,912,000	-$73,643,000	2015-02-17
Q4 2014	MADISON SQUARE GARDEN CO CUSIP 55826P100		CL A	5,179,626	4,384,533	-795,093	$342,477,000	$329,980,000	-$12,497,000	2015-02-17
Q3 2014	ALLERGAN INC CUSIP 018490102		COM	2,743,791	1,484,680	-1,259,111	$464,304,000	$264,555,000	-$199,749,000	2014-11-14
Q3 2014	ANADARKO PETE CORP CUSIP 032511107		COM	3,466,252	2,746,377	-719,875	$379,451,000	$278,592,000	-$100,859,000	2014-11-14
Q1 2014	ANADARKO PETE CORP CUSIP 032511107		COM	3,671,779	1,249,868	-2,421,911	$291,246,000	$105,939,000	-$185,307,000	2014-05-15
Q1 2014	BABCOCK & WILCOX CO NEW CUSIP 05615F102		COM	11,894,745	10,794,745	-1,100,000	$406,681,000	$358,386,000	-$48,295,000	2014-05-15
Q4 2013	BEAM INC CUSIP 073730103		COM	3,469,735	1,446,096	-2,023,639	$224,318,000	$98,421,000	-$125,897,000	2014-02-14
Q4 2013	NAVISTAR INTL CORP NEW CUSIP 63934E108		COM	3,439,061	1,808,922	-1,630,139	$125,457,000	$69,083,000	-$56,374,000	2014-02-14
Q3 2013	ANADARKO PETROLEUM CORP CUSIP 032511107		COM	5,072,020	2,891,779	-2,180,241	$435,839,000	$268,907,000	-$166,932,000	2013-11-14
Q3 2013	HEALTH MGMT ASSOCIATES INC CUSIP 421933102		CL A	13,823,221	10,005,785	-3,817,436	$217,301,000	$128,074,000	-$89,227,000	2013-11-14
Q3 2013	TURQUOISE HILL RESOURCES LTD CUSIP 900435108		COM	23,010,199	20,554,038	-2,456,161	$143,584,000	$93,521,000	-$50,063,000	2013-11-14

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