Rock Springs Capital Management’s Atreca, Inc. Class A Common Stock BCEL Stock Holding History

Rock Springs Capital Management’s Portfolio BCEL Stock Details BCEL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q4	–	Sell	-362,530	Closed	-$94.6K	–	119
2023 Q3	$94.6K	Hold	362,530	–	–	﹤0.01%	117
2023 Q2	$355K	Hold	362,530	–	–	0.01%	121
2023 Q1	$413K	Hold	362,530	–	–	0.01%	119
2022 Q4	$290K	Sell	362,530 -100,000	-22%	-$127K	0.01%	119
2022 Q3	$726K	Hold	462,530	–	–	0.02%	123
2022 Q2	$828K	Hold	462,530	–	–	0.02%	127
2022 Q1	$1.47M	Hold	462,530	–	–	0.04%	129
2021 Q4	$1.4M	Buy	462,530 +2,700	+0.6%	+$12.6K	0.03%	132
2021 Q3	$2.87M	Hold	459,830	–	–	0.06%	138
2021 Q2	$3.92M	Buy	459,830 +5,900	+1%	+$60.4K	0.08%	138
2021 Q1	$6.96M	Buy	453,930 +2,700	+0.6%	+$43.9K	0.15%	124
2020 Q4	$7.29M	Buy	451,230 +400	+0.1%	+$6K	0.15%	126
2020 Q3	$6.3M	Buy	+450,830	New	+$6.72M	0.16%	122

Other funds holding BCEL

Boxer Capital San Diego, California $2.04B AUM 108.39% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Gates Foundation Seattle, Washington $43.5M AUM 14.19% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

ACM

Aisling Capital Management New York $472M AUM 106.83% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

Rock Springs Capital Management's BCEL Position: Q4 2023 in Review

Rock Springs Capital Management sold out of Atreca, Inc. Class A Common Stock (BCEL) in Q4 2023, closing a stake of 362,530 shares — an estimated $94.6K sold.

Rock Springs Capital Management first reported a position in BCEL in Q3 2020 and held it in 13 quarters. The position peaked at $7.29M in Q4 2020. 43 funds tracked by Wall St. Rank hold BCEL as of Q4 2023.

Rock Springs Capital Management reported no remaining Atreca, Inc. Class A Common Stock position as of Q4 2023 after selling out during the quarter.
Rock Springs Capital Management sold 362,530 Atreca, Inc. Class A Common Stock shares in Q4 2023, an estimated $94.6K.
Rock Springs Capital Management first reported a position in Atreca, Inc. Class A Common Stock in Q3 2020 and held it in 13 quarters.
Rock Springs Capital Management's Atreca, Inc. Class A Common Stock position peaked at $7.29M in Q4 2020.
43 funds tracked by Wall St. Rank held Atreca, Inc. Class A Common Stock as of Q4 2023.

Based on Rock Springs Capital Management's 13F filing for Q4 2023, filed 14 Feb 2024.