William Blair Investment Management
GNMK

William Blair Investment Management’s GenMark Diagnostics, Inc GNMK Stock Holding History

William Blair Investment Management’s Portfolio GNMK Stock Details GNMK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q1 		– Sell
-1,467,156
Closed -$21.4M – 388
2020
Q4 		$21.4M Buy
1,467,156
+400,599
+38% +$5.31M 0.07% 204
2020
Q3 		$15.1M Buy
1,066,557
+435,451
+69% +$6.65M 0.06% 217
2020
Q2 		$9.28M Buy
+631,106
New +$6.41M 0.04% 258

Other funds holding GNMK

WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.63% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VI
Versor Investments New York $47.5M AUM 100.43% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

William Blair Investment Management's GNMK Position: Q1 2021 in Review

William Blair Investment Management sold out of GenMark Diagnostics, Inc (GNMK) in Q1 2021, closing a stake of 1,467,156 shares — an estimated $21.4M sold.

William Blair Investment Management first reported a position in GNMK in Q2 2020 and held it in 3 quarters. The position peaked at $21.4M in Q4 2020. 164 funds tracked by Wall St. Rank hold GNMK as of Q1 2021.

  • William Blair Investment Management reported no remaining GenMark Diagnostics, Inc position as of Q1 2021 after selling out during the quarter.
  • William Blair Investment Management sold 1,467,156 GenMark Diagnostics, Inc shares in Q1 2021, an estimated $21.4M.
  • William Blair Investment Management first reported a position in GenMark Diagnostics, Inc in Q2 2020 and held it in 3 quarters.
  • William Blair Investment Management's GenMark Diagnostics, Inc position peaked at $21.4M in Q4 2020.
  • 164 funds tracked by Wall St. Rank held GenMark Diagnostics, Inc as of Q1 2021.

Based on William Blair Investment Management's 13F filing for Q1 2021, filed 13 May 2021.