EC
SURF

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

EcoR1 Capital’s Portfolio SURF Stock Details SURF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2023
Q2 		– Sell
-3,082,959
Closed -$2.15M – 66
2023
Q1 		$2.15M Sell
3,082,959
-841,754
-21% -$682K 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% -$1.16M 0.12% 53
2022
Q2 		$7.63M Hold
4,653,000
– – 0.26% 43
2022
Q1 		$13.7M Buy
+4,653,000
New +$16.3M 0.43% 38
2021
Q1 		– Sell
-48,558
Closed -$449K – 82
2020
Q4 		$449K Sell
48,558
-3,284,619
-99% -$28.5M 0.02% 65
2020
Q3 		$23M Sell
3,333,177
-1,700,684
-34% -$10.3M 1.64% 20
2020
Q2 		$33M Buy
5,033,861
+3,759,398
+295% +$13.6M 2.44% 16
2020
Q1 		$2.38M Sell
1,274,463
-27,250
-2% -$71.8K 0.25% 38
2019
Q4 		$2.45M Sell
1,301,713
-247,175
-16% -$412K 0.22% 42
2019
Q3 		$2.2M Sell
1,548,888
-763,800
-33% -$1.67M 0.28% 29
2019
Q2 		$6.52M Buy
2,312,688
+49,200
+2% +$196K 0.66% 26
2019
Q1 		$10.8M Buy
2,263,488
+2,160
+0.1% +$10.6K 1% 28
2018
Q4 		$9.59M Buy
2,261,328
+897,849
+66% +$6.93M 0.96% 32
2018
Q3 		$14.9M Buy
1,363,479
+472,671
+53% +$5.54M 1.34% 23
2018
Q2 		$14.5M Buy
+890,808
New +$12.9M 1.38% 21

Other funds holding SURF

AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
AVAI
Atlas Venture Associates IX Boston, Massachusetts $11.8M AUM 58.35% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
DCM
DAFNA Capital Management Los Angeles, California $440M AUM 109.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
YCM
Yakira Capital Management Westport, Connecticut $342M AUM 26.97% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
LCM
Laurion Capital Management New York $2.29B AUM 75.73% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

EcoR1 Capital's SURF Position: Q2 2023 in Review

EcoR1 Capital sold out of Surface Oncology, Inc. Common Stock (SURF) in Q2 2023, closing a stake of 3,082,959 shares — an estimated $2.15M sold.

EcoR1 Capital first reported a position in SURF in Q2 2018 and held it in 16 quarters. The position peaked at $33M in Q2 2020. 61 funds tracked by Wall St. Rank hold SURF as of Q2 2023.

  • EcoR1 Capital reported no remaining Surface Oncology, Inc. Common Stock position as of Q2 2023 after selling out during the quarter.
  • EcoR1 Capital sold 3,082,959 Surface Oncology, Inc. Common Stock shares in Q2 2023, an estimated $2.15M.
  • EcoR1 Capital first reported a position in Surface Oncology, Inc. Common Stock in Q2 2018 and held it in 16 quarters.
  • EcoR1 Capital's Surface Oncology, Inc. Common Stock position peaked at $33M in Q2 2020.
  • 61 funds tracked by Wall St. Rank held Surface Oncology, Inc. Common Stock as of Q2 2023.

Based on EcoR1 Capital's 13F filing for Q2 2023, filed 14 Aug 2023.