EC
SURF

EcoR1 Capital’s Surface Oncology, Inc. Common Stock SURF Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q2
Sell
-3,082,959
Closed -$2.15M 65
2023
Q1
$2.15M Sell
3,082,959
-841,754
-21% -$588K 0.07% 45
2022
Q4
$3.22M Hold
3,924,713
0.1% 53
2022
Q3
$4.08M Sell
3,924,713
-728,287
-16% -$757K 0.12% 53
2022
Q2
$7.63M Hold
4,653,000
0.26% 42
2022
Q1
$13.7M Buy
+4,653,000
New +$13.7M 0.43% 38
2021
Q1
Sell
-48,558
Closed -$449K 81
2020
Q4
$449K Sell
48,558
-3,284,619
-99% -$30.4M 0.02% 63
2020
Q3
$23M Sell
3,333,177
-1,700,684
-34% -$11.7M 1.64% 20
2020
Q2
$33M Buy
5,033,861
+3,759,398
+295% +$24.7M 2.44% 16
2020
Q1
$2.38M Sell
1,274,463
-27,250
-2% -$51K 0.25% 38
2019
Q4
$2.45M Sell
1,301,713
-247,175
-16% -$465K 0.22% 40
2019
Q3
$2.2M Sell
1,548,888
-763,800
-33% -$1.08M 0.28% 26
2019
Q2
$6.52M Buy
2,312,688
+49,200
+2% +$139K 0.66% 24
2019
Q1
$10.8M Buy
2,263,488
+2,160
+0.1% +$10.3K 1% 23
2018
Q4
$9.59M Buy
2,261,328
+897,849
+66% +$3.81M 0.96% 25
2018
Q3
$14.9M Buy
1,363,479
+472,671
+53% +$5.17M 1.34% 17
2018
Q2
$14.5M Buy
+890,808
New +$14.5M 1.38% 17