William Blair & Company
PNW icon

William Blair & Company’s Pinnacle West Capital PNW Stock Holding History

William Blair & Company’s Portfolio PNW Stock Details PNW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$198K Buy
+1,968
New +$190K ﹤0.01% 1493
2023
Q4 		– Sell
-3,882
Closed -$286K – 1837
2023
Q3 		$286K Sell
3,882
-177
-4% -$14K ﹤0.01% 1255
2023
Q2 		$331K Sell
4,059
-1,325
-25% -$106K ﹤0.01% 1212
2023
Q1 		$427K Sell
5,384
-32
-0.6% -$2.41K ﹤0.01% 1103
2022
Q4 		$412K Sell
5,416
-6
-0.1% -$429 ﹤0.01% 1104
2022
Q3 		$350K Buy
5,422
+16
+0.3% +$1.18K ﹤0.01% 1167
2022
Q2 		$395K Buy
5,406
+9
+0.2% +$673 ﹤0.01% 1148
2022
Q1 		$421K Buy
5,397
+45
+0.8% +$3.22K ﹤0.01% 1226
2021
Q4 		$378K Buy
5,352
+5
+0.1% +$336 ﹤0.01% 1320
2021
Q3 		$387K Sell
5,347
-150
-3% -$11.9K ﹤0.01% 1259
2021
Q2 		$451K Sell
5,497
-53
-1% -$4.48K ﹤0.01% 1182
2021
Q1 		$451K Buy
5,550
+1,786
+47% +$138K ﹤0.01% 1157
2020
Q4 		$301K Buy
3,764
+31
+0.8% +$2.56K ﹤0.01% 1265
2020
Q3 		$278K Buy
3,733
+748
+25% +$57.3K ﹤0.01% 1169
2020
Q2 		$219K Sell
2,985
-995
-25% -$75.1K ﹤0.01% 1209
2020
Q1 		$302K Buy
3,980
+1,000
+34% +$90.7K ﹤0.01% 1012
2019
Q4 		$268K Sell
2,980
-19
-0.6% -$1.71K ﹤0.01% 1214
2019
Q3 		$291K Hold
2,999
– – ﹤0.01% 1128
2019
Q2 		$282K Sell
2,999
-6
-0.2% -$572 ﹤0.01% 1166
2019
Q1 		$287K Buy
+3,005
New +$271K ﹤0.01% 1161
2015
Q3 		– Sell
-22,971
Closed -$1.31M – 1509
2015
Q2 		$1.31M Buy
22,971
+3,512
+18% +$212K ﹤0.01% 1498
2015
Q1 		$1.24M Buy
19,459
+1,578
+9% +$105K ﹤0.01% 1488
2014
Q4 		$1.22M Buy
+17,881
New +$1.11M ﹤0.01% 1427
2013
Q3 		– Sell
-12,685
Closed -$703K – 2070
2013
Q2 		$703K Buy
+12,685
New +$736K ﹤0.01% 1395

Other funds holding PNW

Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
AIP
Atlas Infrastructure Partners London, United Kingdom $2.84B AUM 4.75% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
SCP
Soroban Capital Partners New York $51.8B AUM 21.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

William Blair & Company's PNW Position: Q1 2026 in Review

William Blair & Company opened a new position in Pinnacle West Capital (PNW) in Q1 2026: 1,968 shares worth $198K. The stake represents ﹤0.01% of the portfolio and ranks #1493 among its holdings. This is a return to the name: William Blair & Company previously reported a position in PNW as recently as Q3 2023.

William Blair & Company first reported a position in PNW in Q2 2013 and has held it in 24 quarters since. The position peaked at $1.31M in Q2 2015. 704 funds tracked by Wall St. Rank hold PNW as of Q1 2026.

  • William Blair & Company held 1,968 shares of Pinnacle West Capital worth $198K as of Q1 2026.
  • Pinnacle West Capital was a new William Blair & Company position in Q1 2026.
  • Pinnacle West Capital made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1493 holding.
  • William Blair & Company first reported a position in Pinnacle West Capital in Q2 2013 and has held it in 24 quarters since.
  • William Blair & Company's Pinnacle West Capital position peaked at $1.31M in Q2 2015.
  • 704 funds tracked by Wall St. Rank held Pinnacle West Capital as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.