Alberta Investment Management Corp (AIMCo)’s Atara Biotherapeutics ATRA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q4	–	Sell	-12,737	Closed	-$1.2M	–	1088
2022 Q3	$1.2M	Hold	12,737	–	–	0.01%	857
2022 Q2	$2.48M	Sell	12,737 -2,580	-17%	-$421K	0.02%	663
2022 Q1	$3.56M	Buy	15,317 +4,072	+36%	+$1.3M	0.02%	636
2021 Q4	$4.43M	Sell	11,245 -12,688	-53%	-$5.34M	0.03%	465
2021 Q3	$10.7M	Sell	23,933 -10,652	-31%	-$3.82M	0.09%	248
2021 Q2	$13.4M	Sell	34,585 -6,596	-16%	-$2.35M	0.11%	200
2021 Q1	$14.8M	Buy	41,181 +16,720	+68%	+$7.39M	0.13%	169
2020 Q4	$12M	Sell	24,461 -5,332	-18%	-$2.46M	0.11%	225
2020 Q3	$9.65M	Sell	29,793 -568	-2%	-$193K	0.1%	240
2020 Q2	$11.1M	Buy	30,361 +8,832	+41%	+$2.23M	0.13%	196
2020 Q1	$4.58M	Hold	21,529	–	–	0.08%	275
2019 Q4	$8.87M	Buy	21,529 +7,048	+49%	+$2.43M	0.07%	254
2019 Q3	$5.11M	Buy	14,481 +4,124	+40%	+$1.54M	0.05%	331
2019 Q2	$5.21M	Buy	10,357 +4,536	+78%	+$3.2M	0.05%	329
2019 Q1	$5.79M	Buy	5,821 +1,444	+33%	+$1.34M	0.05%	292
2018 Q4	$3.8M	Buy	4,377 +3,044	+228%	+$2.83M	0.04%	325
2018 Q3	$1.38M	Sell	1,333 -468	-26%	-$458K	0.01%	553
2018 Q2	$1.66M	Buy	1,801 +520	+41%	+$559K	0.01%	488
2018 Q1	$1.25M	Sell	1,281 -292	-19%	-$266K	0.01%	522
2017 Q4	$712K	Hold	1,573	–	–	0.01%	600
2017 Q3	$651K	Hold	1,573	–	–	0.01%	617
2017 Q2	$551K	Buy	+1,573	New	+$606K	0.01%	633

Other funds holding ATRA