Trustees of Columbia University in the City of New York Quant / Systematic

CIK: 0001420995 · Show all filings

Period: Q1 2023 (← Previous) (Next →)

Filing Date: May 15, 2023

Total Value ($000): $55,904 (100.0% shares, 0.0% debt)

Holdings (17)

BRK/A BERKSHIRE HATHAWAY INC DEL 63.3%

Value ($000) $35,386 Shares 76 Est. Cost $330761.80 Unrealized +41.1%

ABNB AIRBNB INC 9.9%

Value ($000) $5,552 Shares 44,633 Est. Cost $114.18 Unrealized 0.0%

CFLT CONFLUENT INC 5.6%

Value ($000) $3,138 Shares 130,382 Est. Cost $23.18 Unrealized +0.0%

IRON DISC MEDICINE INC 4.2%

Value ($000) $2,341 Shares 110,488 Est. Cost $49.79 Unrealized -55.3%

TDG TRANSDIGM GROUP INC 4.1%

Value ($000) $2,287 Shares 3,103 Est. Cost $503.62 Unrealized +21.3%

— VIGIL NEUROSCIENCE INC 3.4%

Value ($000) $1,889 Shares 192,973 Est. Cost $0.01 Unrealized —

— RAPT THERAPEUTICS INC 2.6%

Value ($000) $1,479 Shares 80,580 Est. Cost $20.30 Unrealized —

TNYA TENAYA THERAPEUTICS INC 1.5%

Value ($000) $832 Shares 291,828 Est. Cost $21.49 Unrealized -86.9%

XLO XILIO THERAPEUTICS INC 1.4%

Value ($000) $791 Shares 249,635 Est. Cost $2.41 Unrealized +30.1%

— VOR BIOPHARMA INC 0.9%

Value ($000) $494 Shares 91,910 Est. Cost $43.10 Unrealized —

AMPL AMPLITUDE INC 0.8%

Value ($000) $471 Shares 37,888 Est. Cost $33.83 Unrealized -60.7%

— SURROZEN INC 0.8%

Value ($000) $433 Shares 718,950 Est. Cost $7.08 Unrealized —

BRK/B BERKSHIRE HATHAWAY INC DEL 0.6%

Value ($000) $340 Shares 1,100 Est. Cost $220.20 Unrealized +40.0%

— AEROVATE THERAPEUTICS INC 0.5%

Value ($000) $266 Shares 13,190 Est. Cost $0.03 Unrealized —

COUR COURSERA INC 0.3%

Value ($000) $181 Shares 15,710 Est. Cost $12.94 Unrealized 0.0%

— EVELO BIOSCIENCES INC 0.0%

Value ($000) $21 Shares 113,850 Est. Cost $12.09 Unrealized —

SRZNW SURROZEN INC 0.0%

Value ($000) $3 Shares 33,333 Est. Cost $1.14 Unrealized —

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
BRK/A	BERKSHIRE HATHAWAY INC DEL	76	$35,386	63.3%	$330761.80	+41.1%	CL A	084670108
ABNB	AIRBNB INC	44,633	$5,552	9.9%	$114.18	0.0%	COM CL A	009066101
CFLT	CONFLUENT INC	130,382	$3,138	5.6%	$23.18	+0.0%	CLASS A COM	20717M103
IRON	DISC MEDICINE INC	110,488	$2,341	4.2%	$49.79	-55.3%	COM	254604101
TDG	TRANSDIGM GROUP INC	3,103	$2,287	4.1%	$503.62	+21.3%	COM	893641100
—	VIGIL NEUROSCIENCE INC	192,973	$1,889	3.4%	$0.01	—	COM	92673K108
—	RAPT THERAPEUTICS INC	80,580	$1,479	2.6%	$20.30	—	COM	75382E109
TNYA	TENAYA THERAPEUTICS INC	291,828	$832	1.5%	$21.49	-86.9%	COM	87990A106
XLO	XILIO THERAPEUTICS INC	249,635	$791	1.4%	$2.41	+30.1%	COM	98422T100
—	VOR BIOPHARMA INC	91,910	$494	0.9%	$43.10	—	COM	929033108
AMPL	AMPLITUDE INC	37,888	$471	0.8%	$33.83	-60.7%	COM CL A	03213A104
—	SURROZEN INC	718,950	$433	0.8%	$7.08	—	COM	86889P109
BRK/B	BERKSHIRE HATHAWAY INC DEL	1,100	$340	0.6%	$220.20	+40.0%	CL B NEW	084670702
—	AEROVATE THERAPEUTICS INC	13,190	$266	0.5%	$0.03	—	COM	008064107
COUR	COURSERA INC	15,710	$181	0.3%	$12.94	0.0%	COM	22266M104
—	EVELO BIOSCIENCES INC	113,850	$21	0.0%	$12.09	—	COM	299734103
SRZNW	SURROZEN INC	33,333	$3	0.0%	$1.14	—	*W EXP 08/01/2	86889P117