William Blair Investment Management
COR

William Blair Investment Management’s Coresite Realty Corporation COR Stock Holding History

William Blair Investment Management’s Portfolio COR Stock Details COR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q4 		– Sell
-138,569
Closed -$19.2M – 462
2021
Q3 		$19.2M Sell
138,569
-2,646
-2% -$378K 0.05% 316
2021
Q2 		$19M Sell
141,215
-25,166
-15% -$3.14M 0.06% 226
2021
Q1 		$19.9M Buy
166,381
+47,606
+40% +$5.79M 0.06% 218
2020
Q4 		$14.9M Sell
118,775
-14,467
-11% -$1.79M 0.05% 238
2020
Q3 		$15.8M Sell
133,242
-75,600
-36% -$9.22M 0.06% 212
2020
Q2 		$25.3M Sell
208,842
-73,325
-26% -$8.82M 0.1% 169
2020
Q1 		$32.7M Buy
282,167
+88,067
+45% +$9.8M 0.16% 139
2019
Q4 		$21.8M Buy
194,100
+32,943
+20% +$3.81M 0.09% 189
2019
Q3 		$19.6M Buy
161,157
+3,969
+3% +$455K 0.08% 202
2019
Q2 		$18.1M Sell
157,188
-1,059
-0.7% -$120K 0.08% 218
2019
Q1 		$16.9M Buy
158,247
+3,307
+2% +$328K 0.07% 247
2018
Q4 		$13.5M Buy
154,940
+19,169
+14% +$1.86M 0.07% 254
2018
Q3 		$15.1M Buy
135,771
+15,801
+13% +$1.8M 0.05% 301
2018
Q2 		$13.3M Buy
+119,970
New +$12.7M 0.05% 308

Other funds holding COR

TEE
Tibra Equities Europe London, United Kingdom $90.4M AUM 37.81% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return

William Blair Investment Management's COR Position: Q4 2021 in Review

William Blair Investment Management sold out of Coresite Realty Corporation (COR) in Q4 2021, closing a stake of 138,569 shares — an estimated $19.2M sold.

William Blair Investment Management first reported a position in COR in Q2 2018 and held it in 14 quarters. The position peaked at $32.7M in Q1 2020. 3 funds tracked by Wall St. Rank hold COR as of Q4 2021.

  • William Blair Investment Management reported no remaining Coresite Realty Corporation position as of Q4 2021 after selling out during the quarter.
  • William Blair Investment Management sold 138,569 Coresite Realty Corporation shares in Q4 2021, an estimated $19.2M.
  • William Blair Investment Management first reported a position in Coresite Realty Corporation in Q2 2018 and held it in 14 quarters.
  • William Blair Investment Management's Coresite Realty Corporation position peaked at $32.7M in Q1 2020.
  • 3 funds tracked by Wall St. Rank held Coresite Realty Corporation as of Q4 2021.

Based on William Blair Investment Management's 13F filing for Q4 2021, filed 14 Feb 2022.