MAD RIVER INVESTORS Long-Term Concentrated

Location: Boston, MA

CIK: 0001384484 · Show all filings

Period: Q4 2020 (← Previous) (Next →)

Filing Date: Feb 3, 2021

Total Value: $102M (100.0% shares, 0.0% debt)

Holdings (23)

— TEXAS PAC LD TR 39.2%

Value $39.93M Shares 54,926 Est. Cost $172.74 Unrealized —

WPM WHEATON PRECIOUS METALS CORP 9.3%

Value $9.468M Shares 226,827 Est. Cost $18.27 Unrealized +130.5%

CACI CACI INTL INC 6.1%

Value $6.172M Shares 24,755 Est. Cost $210.38 Unrealized +9.5%

MSB MESABI TR 5.0%

Value $5.105M Shares 182,000 Est. Cost $25.91 Unrealized —

CVEO CIVEO CORP CDA 4.9%

Value $5.01M Shares 360,422 Est. Cost $11.04 Unrealized 0.0%

FNV FRANCO NEV CORP 4.9%

Value $5.009M Shares 39,965 Est. Cost $78.28 Unrealized +64.5%

ACGP ASSOCIATED CAP GROUP INC 4.4%

Value $4.517M Shares 128,625 Est. Cost $33.44 Unrealized -1.2%

LBRDK LIBERTY BROADBAND CORP 4.0%

Value $4.034M Shares 25,470 Est. Cost $47.96 Unrealized +197.0%

BRK/B BERKSHIRE HATHAWAY INC DEL 3.7%

Value $3.814M Shares 16,449 Est. Cost $134.20 Unrealized +64.1%

— HOWARD HUGHES CORP 3.7%

Value $3.732M Shares 47,286 Est. Cost $112.27 Unrealized —

— LIBERTY MEDIA CORP DEL 2.9%

Value $2.961M Shares 68,049 Est. Cost $30.87 Unrealized —

CME CME GROUP INC 1.9%

Value $1.94M Shares 10,659 Est. Cost $121.09 Unrealized +14.3%

BA BOEING CO 1.9%

Value $1.905M Shares 8,900 Est. Cost $154.19 Unrealized +24.7%

— LIBERTY MEDIA CORP DEL 1.8%

Value $1.841M Shares 43,215 Est. Cost $23.12 Unrealized —

ICE INTERCONTINENTAL EXCHANGE IN 1.5%

Value $1.551M Shares 13,450 Est. Cost $85.32 Unrealized +13.8%

CBOE CBOE GLOBAL MKTS INC 1.1%

Value $1.081M Shares 11,610 Est. Cost $109.72 Unrealized -25.4%

LBRDA LIBERTY BROADBAND CORP 0.8%

Value $776K Shares 4,922 Est. Cost $46.50 Unrealized +204.0%

— LIBERTY MEDIA CORP DEL 0.7%

Value $748K Shares 17,312 Est. Cost $31.35 Unrealized —

RLI RLI CORP 0.7%

Value $729K Shares 7,000 Est. Cost $22.65 Unrealized +74.5%

— LIBERTY MEDIA CORP DEL 0.5%

Value $526K Shares 13,849 Est. Cost $19.16 Unrealized —

— NUVEEN AMT FREE QLTY MUN INC 0.5%

Value $500K Shares 33,097 Est. Cost $14.59 Unrealized —

DIS DISNEY WALT CO 0.4%

Value $435K Shares 2,400 Est. Cost $99.73 Unrealized +40.6%

TUSK MAMMOTH ENERGY SVCS INC 0.1%

Value $52,000 Shares 11,700 Est. Cost $1.47 Unrealized +65.2%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
—	TEXAS PAC LD TR	54,926	$39.93M	39.2%	$172.74	—	COM	882610108
WPM	WHEATON PRECIOUS METALS CORP	226,827	$9.468M	9.3%	$18.27	+130.5%	COM	962879102
CACI	CACI INTL INC	24,755	$6.172M	6.1%	$210.38	+9.5%	COM	127190304
MSB	MESABI TR	182,000	$5.105M	5.0%	$25.91	—	BEN INT	590672101
CVEO	CIVEO CORP CDA	360,422	$5.01M	4.9%	$11.04	0.0%	COM	17878Y207
FNV	FRANCO NEV CORP	39,965	$5.009M	4.9%	$78.28	+64.5%	COM	351858105
ACGP	ASSOCIATED CAP GROUP INC	128,625	$4.517M	4.4%	$33.44	-1.2%	COM	045528106
LBRDK	LIBERTY BROADBAND CORP	25,470	$4.034M	4.0%	$47.96	+197.0%	CLASS A	530307305
BRK/B	BERKSHIRE HATHAWAY INC DEL	16,449	$3.814M	3.7%	$134.20	+64.1%	COM	084670702
—	HOWARD HUGHES CORP	47,286	$3.732M	3.7%	$112.27	—	COM	44267D107
—	LIBERTY MEDIA CORP DEL	68,049	$2.961M	2.9%	$30.87	—	CLASS A	531229607
CME	CME GROUP INC	10,659	$1.94M	1.9%	$121.09	+14.3%	COM	12572Q105
BA	BOEING CO	8,900	$1.905M	1.9%	$154.19	+24.7%	COM	097023105
—	LIBERTY MEDIA CORP DEL	43,215	$1.841M	1.8%	$23.12	—	CLASS A	531229854
ICE	INTERCONTINENTAL EXCHANGE IN	13,450	$1.551M	1.5%	$85.32	+13.8%	COM	45866F104
CBOE	CBOE GLOBAL MKTS INC	11,610	$1.081M	1.1%	$109.72	-25.4%	COM	12503M108
LBRDA	LIBERTY BROADBAND CORP	4,922	$776K	0.8%	$46.50	+204.0%	CLASS A	530307107
—	LIBERTY MEDIA CORP DEL	17,312	$748K	0.7%	$31.35	—	CLASS A	531229409
RLI	RLI CORP	7,000	$729K	0.7%	$22.65	+74.5%	COM	749607107
—	LIBERTY MEDIA CORP DEL	13,849	$526K	0.5%	$19.16	—	CLASS A	531229870
—	NUVEEN AMT FREE QLTY MUN INC	33,097	$500K	0.5%	$14.59	—	COM	670657105
DIS	DISNEY WALT CO	2,400	$435K	0.4%	$99.73	+40.6%	COM	254687106
TUSK	MAMMOTH ENERGY SVCS INC	11,700	$52,000	0.1%	$1.47	+65.2%	COM	56155L108