Atlas Venture Life Science Advisors, LLC Long-Term Concentrated

Name: Atlas Venture Life Science Advisors, LLC Q1 2024 13F Filing | 13F Explorer
Creator: Atlas Venture Life Science Advisors, LLC
Published: 2024-05-06

Location: Cambridge, MA

CIK: 0001917529 · Show all filings

Period: Q1 2024 (← Previous) (Next →)

Filing Date: May 6, 2024

Total Value: $1.084B (100.0% shares, 0.0% debt)

Holdings (16)

DYN Dyne Therapeutics, Inc. 21.0%

Value $228M Shares 8,020,136 Est. Cost $13.82 Unrealized +63.7%

KYMR Kymera Therapeutics, Inc. 19.9%

Value $216M Shares 5,377,362 Est. Cost $58.25 Unrealized -38.6%

IRON Disc Medicine, Inc. 13.1%

Value $142M Shares 2,287,233 Est. Cost $49.79 Unrealized +30.2%

DAWN Day One Biopharmaceuticals, Inc. 9.8%

Value $106M Shares 6,430,257 Est. Cost $19.68 Unrealized -23.9%

— Third Harmonic Bio, Inc. 9.5%

Value $103M Shares 10,907,859 Est. Cost $18.97 Unrealized —

KRRO Korro Bio, Inc. 9.3%

Value $101M Shares 1,119,292 Est. Cost $32.95 Unrealized +65.6%

— Aerovate Therapeutics, Inc. 5.6%

Value $60.3M Shares 2,039,249 Est. Cost $11.88 Unrealized —

QTTB Q32 Bio, Inc. 3.3%

Value $35.65M Shares 2,092,106 Est. Cost $13.78 Unrealized 0.0%

— Generation Bio, Co. 3.1%

Value $33.7M Shares 8,279,484 Est. Cost $7.08 Unrealized —

— Vigil Neuroscience, Inc. 1.8%

Value $19.9M Shares 5,836,874 Est. Cost $7.03 Unrealized —

REPL Replimune Group, Inc. 1.6%

Value $17.14M Shares 2,098,300 Est. Cost $29.91 Unrealized -72.6%

— Ikena Oncology, Inc. 0.7%

Value $7.126M Shares 5,018,178 Est. Cost $12.54 Unrealized —

— AvroBio, Inc. 0.5%

Value $5.813M Shares 4,541,381 Est. Cost $3.85 Unrealized —

DNTH Dianthus Therapeutics, Inc. 0.5%

Value $5.609M Shares 186,979 Est. Cost $12.62 Unrealized +72.3%

XLO Xilio Therapeutics, Inc. 0.1%

Value $1.072M Shares 992,912 Est. Cost $17.03 Unrealized -96.0%

SPRO Spero Therapeutics, Inc. 0.1%

Value $1.045M Shares 607,613 Est. Cost $15.88 Unrealized -90.1%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
DYN	Dyne Therapeutics, Inc.	8,020,136	$228M	21.0%	$13.82	+63.7%	Common Stock	26818M108
KYMR	Kymera Therapeutics, Inc.	5,377,362	$216M	19.9%	$58.25	-38.6%	Common Stock	501575104
IRON	Disc Medicine, Inc.	2,287,233	$142M	13.1%	$49.79	+30.2%	Common Stock	254604101
DAWN	Day One Biopharmaceuticals, Inc.	6,430,257	$106M	9.8%	$19.68	-23.9%	Common Stock	23954D109
—	Third Harmonic Bio, Inc.	10,907,859	$103M	9.5%	$18.97	—	Common Stock	88427A107
KRRO	Korro Bio, Inc.	1,119,292	$101M	9.3%	$32.95	+65.6%	Common Stock	500946108
—	Aerovate Therapeutics, Inc.	2,039,249	$60.3M	5.6%	$11.88	—	Common Stock	008064107
QTTB	Q32 Bio, Inc.	2,092,106	$35.65M	3.3%	$13.78	0.0%	Common Stock	746964105
—	Generation Bio, Co.	8,279,484	$33.7M	3.1%	$7.08	—	Common Stock	37148K100
—	Vigil Neuroscience, Inc.	5,836,874	$19.9M	1.8%	$7.03	—	Common Stock	92673K108
REPL	Replimune Group, Inc.	2,098,300	$17.14M	1.6%	$29.91	-72.6%	Common Stock	76029N106
—	Ikena Oncology, Inc.	5,018,178	$7.126M	0.7%	$12.54	—	Common Stock	45175G108
—	AvroBio, Inc.	4,541,381	$5.813M	0.5%	$3.85	—	Common Stock	05455M100
DNTH	Dianthus Therapeutics, Inc.	186,979	$5.609M	0.5%	$12.62	+72.3%	Common Stock	252828108
XLO	Xilio Therapeutics, Inc.	992,912	$1.072M	0.1%	$17.03	-96.0%	Common Stock	98422T100
SPRO	Spero Therapeutics, Inc.	607,613	$1.045M	0.1%	$15.88	-90.1%	Common Stock	84833T103