William Blair & Company
PFNX

William Blair & Company’s Pfenex Inc. PFNX Stock Holding History

William Blair & Company’s Portfolio PFNX Stock Details PFNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q3 		– Sell
-3,036,976
Closed -$25.4M – 1793
2020
Q2 		$25.4M Buy
3,036,976
+326,783
+12% +$2.45M 0.12% 152
2020
Q1 		$23.9M Buy
2,710,193
+107,707
+4% +$1.18M 0.15% 139
2019
Q4 		$28.6M Buy
2,602,486
+49,664
+2% +$493K 0.15% 147
2019
Q3 		$21.5M Buy
2,552,822
+146,986
+6% +$1.07M 0.12% 167
2019
Q2 		$16.2M Buy
2,405,836
+181,455
+8% +$1.16M 0.09% 202
2019
Q1 		$13.7M Buy
2,224,381
+462,925
+26% +$2.03M 0.08% 214
2018
Q4 		$5.62M Sell
1,761,456
-228,534
-11% -$978K 0.04% 318
2018
Q3 		$10.2M Buy
1,989,990
+70,239
+4% +$361K 0.06% 254
2018
Q2 		$10.4M Buy
1,919,751
+549,831
+40% +$3.18M 0.07% 236
2018
Q1 		$8.22M Buy
1,369,920
+518,672
+61% +$2.04M 0.06% 266
2017
Q4 		$2.26M Buy
851,248
+125,400
+17% +$347K 0.02% 538
2017
Q3 		$2.19M Buy
725,848
+475,031
+189% +$1.81M 0.02% 536
2017
Q2 		$1.01M Buy
250,817
+31,108
+14% +$143K 0.01% 755
2017
Q1 		$1.59M Buy
219,709
+3,325
+2% +$25K 0.01% 596
2016
Q4 		$1.96M Buy
216,384
+17,909
+9% +$164K 0.02% 496
2016
Q3 		$1.78M Buy
198,475
+40,624
+26% +$347K 0.02% 520
2016
Q2 		$1.32M Sell
157,851
-2,500
-2% -$20.2K 0.01% 562
2016
Q1 		$1.58M Buy
160,351
+10,507
+7% +$91.8K 0.01% 506
2015
Q4 		$1.85M Buy
149,844
+2,998
+2% +$44.2K 0.02% 490
2015
Q3 		$2.2M Sell
146,846
-43,733
-23% -$889K 0.02% 508
2015
Q2 		$3.7M Buy
190,579
+39,079
+26% +$655K 0.01% 1148
2015
Q1 		$2.41M Buy
+151,500
New +$1.67M ﹤0.01% 1254

Other funds holding PFNX

NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
WAM
Weiss Asset Management Boston, Massachusetts $5.91B AUM 42.42% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
AAM
Alpine Associates Management Palm Beach, Florida $1.7B AUM 97.55% 1-Year Est. Return
PWAM
Park West Asset Management San Francisco, California $1.18B AUM 47.25% 1-Year Est. Return
WIC
Water Island Capital New York $896M AUM 107.59% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

William Blair & Company's PFNX Position: Q3 2020 in Review

William Blair & Company sold out of Pfenex Inc. (PFNX) in Q3 2020, closing a stake of 3,036,976 shares — an estimated $25.4M sold.

William Blair & Company first reported a position in PFNX in Q1 2015 and held it in 22 quarters. The position peaked at $28.6M in Q4 2019. 55 funds tracked by Wall St. Rank hold PFNX as of Q3 2020.

  • William Blair & Company reported no remaining Pfenex Inc. position as of Q3 2020 after selling out during the quarter.
  • William Blair & Company sold 3,036,976 Pfenex Inc. shares in Q3 2020, an estimated $25.4M.
  • William Blair & Company first reported a position in Pfenex Inc. in Q1 2015 and held it in 22 quarters.
  • William Blair & Company's Pfenex Inc. position peaked at $28.6M in Q4 2019.
  • 55 funds tracked by Wall St. Rank held Pfenex Inc. as of Q3 2020.

Based on William Blair & Company's 13F filing for Q3 2020, filed 6 Nov 2020.