Atlas Venture Life Science Advisors, LLC Long-Term Concentrated

CIK: 0001917529 · Show all filings

Period: Q4 2022 (← Previous) (Next →)

Filing Date: Feb 14, 2023

Total Value ($000): $830,215 (100.0% shares, 0.0% debt)

Holdings (17)

DAWN Day One Biopharmaceuticals, Inc. 19.6%

Value ($000) $162,870 Shares 7,568,317 Est. Cost $19.68 Unrealized +4.2%

KYMR Kymera Therapeutics, Inc. 18.0%

Value ($000) $149,379 Shares 5,984,736 Est. Cost $58.25 Unrealized -54.2%

DYN Dyne Therapeutics, Inc. 13.8%

Value ($000) $114,387 Shares 9,869,483 Est. Cost $13.82 Unrealized -16.3%

— Vigil Neuroscience, Inc. 8.8%

Value ($000) $72,961 Shares 5,836,874 Est. Cost $7.03 Unrealized —

IRON Disc Medicine, Inc. 8.3%

Value ($000) $68,855 Shares 3,461,784 Est. Cost $49.79 Unrealized 0.0%

— Aerovate Therapeutics, Inc. 7.1%

Value ($000) $59,113 Shares 2,017,521 Est. Cost $11.79 Unrealized —

REPL Replimune Group, Inc. 6.9%

Value ($000) $57,074 Shares 2,098,300 Est. Cost $29.91 Unrealized -30.5%

— Third Harmonic Bio, Inc. 5.6%

Value ($000) $46,904 Shares 10,907,859 Est. Cost $18.97 Unrealized —

— Akero Therapeutics, Inc. 3.9%

Value ($000) $32,565 Shares 594,251 Est. Cost $21.15 Unrealized —

— Generation Bio, Co. 3.9%

Value ($000) $32,536 Shares 8,278,876 Est. Cost $7.08 Unrealized —

— Ikena Oncology, Inc. 1.6%

Value ($000) $13,348 Shares 5,018,178 Est. Cost $12.54 Unrealized —

XLO Xilio Therapeutics, Inc. 0.9%

Value ($000) $7,423 Shares 2,759,344 Est. Cost $17.03 Unrealized -85.9%

— F-star Therapeutics, Inc. 0.5%

Value ($000) $3,789 Shares 599,524 Est. Cost $5.02 Unrealized —

— AVROBIO INC 0.4%

Value ($000) $3,223 Shares 4,520,863 Est. Cost $3.85 Unrealized —

VRDN Viridian Therapeutics, Inc. 0.3%

Value ($000) $2,631 Shares 90,072 Est. Cost $18.63 Unrealized +23.7%

SPRO SPERO THERAPEUTICS INC 0.2%

Value ($000) $1,784 Shares 1,031,160 Est. Cost $15.88 Unrealized -88.2%

— MAGENTA THERAPEUTICS INC 0.2%

Value ($000) $1,373 Shares 3,476,536 Est. Cost $4.43 Unrealized —

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
DAWN	Day One Biopharmaceuticals, Inc.	7,568,317	$162,870	19.6%	$19.68	+4.2%	Common Stock	23954D109
KYMR	Kymera Therapeutics, Inc.	5,984,736	$149,379	18.0%	$58.25	-54.2%	Common Stock	501575104
DYN	Dyne Therapeutics, Inc.	9,869,483	$114,387	13.8%	$13.82	-16.3%	Common Stock	26818M108
—	Vigil Neuroscience, Inc.	5,836,874	$72,961	8.8%	$7.03	—	Common Stock	92673K108
IRON	Disc Medicine, Inc.	3,461,784	$68,855	8.3%	$49.79	0.0%	Common Stock	254604101
—	Aerovate Therapeutics, Inc.	2,017,521	$59,113	7.1%	$11.79	—	Common Stock	008064107
REPL	Replimune Group, Inc.	2,098,300	$57,074	6.9%	$29.91	-30.5%	Common Stock	76029N106
—	Third Harmonic Bio, Inc.	10,907,859	$46,904	5.6%	$18.97	—	Common Stock	88427A107
—	Akero Therapeutics, Inc.	594,251	$32,565	3.9%	$21.15	—	Common Stock	00973Y108
—	Generation Bio, Co.	8,278,876	$32,536	3.9%	$7.08	—	Common Stock	37148K100
—	Ikena Oncology, Inc.	5,018,178	$13,348	1.6%	$12.54	—	Common Stock	45175G108
XLO	Xilio Therapeutics, Inc.	2,759,344	$7,423	0.9%	$17.03	-85.9%	Common Stock	98422T100
—	F-star Therapeutics, Inc.	599,524	$3,789	0.5%	$5.02	—	Common Stock	30315R107
—	AVROBIO INC	4,520,863	$3,223	0.4%	$3.85	—	Common Stock	05455M100
VRDN	Viridian Therapeutics, Inc.	90,072	$2,631	0.3%	$18.63	+23.7%	Common Stock	92790C104
SPRO	SPERO THERAPEUTICS INC	1,031,160	$1,784	0.2%	$15.88	-88.2%	Common Stock	84833T103
—	MAGENTA THERAPEUTICS INC	3,476,536	$1,373	0.2%	$4.43	—	Common Stock	55910K108