MAM
HSTO

MPM Asset Management’s Histogen Inc. Common Stock HSTO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2019
Q2
Sell
-2,464,807
Closed -$2.66M 6
2019
Q1
$2.66M Hold
2,464,807
1.1% 6
2018
Q4
$4.26M Hold
2,464,807
3.61% 4
2018
Q3
$14.3M Hold
2,464,807
9.68% 4
2018
Q2
$10.5M Hold
2,464,807
4.09% 4
2018
Q1
$14.5M Buy
2,464,807
+363,636
+17% +$2.13M 5.57% 4
2017
Q4
$9.71M Buy
2,101,171
+909,091
+76% +$4.2M 3.89% 5
2017
Q3
$6.55M Hold
1,192,080
3.19% 4
2017
Q2
$6.87M Hold
1,192,080
2.98% 4
2017
Q1
$6.88M Hold
1,192,080
3.31% 5
2016
Q4
$6.28M Hold
1,192,080
2.97% 6
2016
Q3
$2.38M Hold
1,192,080
0.78% 7
2016
Q2
$2.46M Hold
1,192,080
0.8% 9
2016
Q1
$2.55M Hold
1,192,080
0.79% 9
2015
Q4
$3.43M Hold
1,192,080
0.61% 9
2015
Q3
$5.31M Hold
1,192,080
0.82% 10
2015
Q2
$6.14M Hold
1,192,080
1.03% 10
2015
Q1
$8.49M Hold
1,192,080
1.81% 10
2014
Q4
$8.35M Hold
1,192,080
1.85% 10
2014
Q3
$7.3M Hold
1,192,080
2.39% 8
2014
Q2
$10.9M Hold
1,192,080
3.65% 7
2014
Q1
$9.7M Hold
1,192,080
4.11% 7
2013
Q4
$7.69M Hold
1,192,080
2.48% 8
2013
Q3
$12M Buy
+1,192,080
New +$12M 3.38% 7