William Blair & Company
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William Blair & Company’s Public Storage PSA Stock Holding History

William Blair & Company’s Portfolio PSA Stock Details PSA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$690K Buy
2,546
+146
+6% +$41.9K ﹤0.01% 1046
2025
Q4 		$623K Sell
2,400
-6
-0.2% -$1.68K ﹤0.01% 1068
2025
Q3 		$695K Sell
2,406
-457
-16% -$131K ﹤0.01% 1012
2025
Q2 		$840K Buy
2,863
+122
+4% +$36.1K ﹤0.01% 949
2025
Q1 		$820K Sell
2,741
-295
-10% -$88.2K ﹤0.01% 943
2024
Q4 		$909K Buy
3,036
+419
+16% +$139K ﹤0.01% 926
2024
Q3 		$952K Sell
2,617
-269
-9% -$87.3K ﹤0.01% 917
2024
Q2 		$830K Sell
2,886
-162
-5% -$44.7K ﹤0.01% 939
2024
Q1 		$884K Buy
3,048
+15
+0.5% +$4.3K ﹤0.01% 910
2023
Q4 		$925K Buy
3,033
+181
+6% +$48K ﹤0.01% 878
2023
Q3 		$752K Buy
2,852
+85
+3% +$23.8K ﹤0.01% 929
2023
Q2 		$808K Buy
2,767
+764
+38% +$223K ﹤0.01% 912
2023
Q1 		$605K Sell
2,003
-715
-26% -$210K ﹤0.01% 976
2022
Q4 		$762K Sell
2,718
-122
-4% -$35.6K ﹤0.01% 921
2022
Q3 		$832K Hold
2,840
– – ﹤0.01% 881
2022
Q2 		$888K Buy
2,840
+172
+6% +$59.6K ﹤0.01% 888
2022
Q1 		$1.04M Buy
2,668
+182
+7% +$66K ﹤0.01% 910
2021
Q4 		$931K Sell
2,486
-199
-7% -$66.5K ﹤0.01% 990
2021
Q3 		$798K Sell
2,685
-40
-1% -$12.6K ﹤0.01% 1006
2021
Q2 		$820K Buy
2,725
+886
+48% +$249K ﹤0.01% 978
2021
Q1 		$454K Buy
1,839
+90
+5% +$21K ﹤0.01% 1156
2020
Q4 		$404K Buy
1,749
+97
+6% +$22.2K ﹤0.01% 1153
2020
Q3 		$368K Sell
1,652
-179
-10% -$36.6K ﹤0.01% 1062
2020
Q2 		$351K Buy
1,831
+28
+2% +$5.4K ﹤0.01% 1037
2020
Q1 		$358K Sell
1,803
-46
-2% -$9.85K ﹤0.01% 965
2019
Q4 		$394K Sell
1,849
-1,192
-39% -$265K ﹤0.01% 1078
2019
Q3 		$746K Sell
3,041
-43
-1% -$10.8K ﹤0.01% 827
2019
Q2 		$735K Sell
3,084
-117
-4% -$26.8K ﹤0.01% 851
2019
Q1 		$697K Buy
3,201
+87
+3% +$18.2K ﹤0.01% 846
2018
Q4 		$630K Buy
3,114
+102
+3% +$20.8K ﹤0.01% 828
2018
Q3 		$607K Sell
3,012
-127
-4% -$27.4K ﹤0.01% 895
2018
Q2 		$712K Sell
3,139
-225
-7% -$46.8K ﹤0.01% 831
2018
Q1 		$674K Sell
3,364
-3,530
-51% -$688K ﹤0.01% 823
2017
Q4 		$1.44M Buy
6,894
+3,417
+98% +$722K 0.01% 644
2017
Q3 		$744K Buy
3,477
+34
+1% +$7.03K 0.01% 806
2017
Q2 		$718K Buy
3,443
+540
+19% +$116K 0.01% 855
2017
Q1 		$653K Buy
2,903
+259
+10% +$57.4K 0.01% 821
2016
Q4 		$591K Sell
2,644
-658
-20% -$140K 0.01% 781
2016
Q3 		$737K Sell
3,302
-40
-1% -$9.34K 0.01% 722
2016
Q2 		$854K Buy
3,342
+413
+14% +$106K 0.01% 680
2016
Q1 		$808K Buy
2,929
+3
+0.1% +$757 0.01% 671
2015
Q4 		$724K Buy
2,926
+36
+1% +$8.43K 0.01% 709
2015
Q3 		$612K Buy
2,890
+14
+0.5% +$2.85K 0.01% 909
2015
Q2 		$529K Hold
2,876
– – ﹤0.01% 1737
2015
Q1 		$567K Sell
2,876
-17
-0.6% -$3.37K ﹤0.01% 1687
2014
Q4 		$534K Sell
2,893
-108
-4% -$19.6K ﹤0.01% 1670
2014
Q3 		$497K Sell
3,001
-650
-18% -$112K ﹤0.01% 1690
2014
Q2 		$625K Sell
3,651
-634
-15% -$109K ﹤0.01% 1600
2014
Q1 		$722K Sell
4,285
-85
-2% -$13.8K ﹤0.01% 1511
2013
Q4 		$657K Buy
4,370
+550
+14% +$87.9K ﹤0.01% 1506
2013
Q3 		$613K Hold
3,820
– – ﹤0.01% 1493
2013
Q2 		$586K Buy
+3,820
New +$602K ﹤0.01% 1453

Other funds holding PSA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

William Blair & Company increased its Public Storage (PSA) stake by 6.1% in Q1 2026, buying an estimated $41.9K and bringing the position to 2,546 shares worth $690K. The position accounts for ﹤0.01% of the portfolio, ranked #1046.

William Blair & Company first reported a position in PSA in Q2 2013 and has held it in 52 quarters since. The position peaked at $1.44M in Q4 2017. 1,084 funds tracked by Wall St. Rank hold PSA as of Q1 2026.

  • William Blair & Company held 2,546 shares of Public Storage worth $690K as of Q1 2026.
  • William Blair & Company bought 146 Public Storage shares in Q1 2026, an estimated $41.9K.
  • Public Storage made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1046 holding.
  • William Blair & Company first reported a position in Public Storage in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Public Storage position peaked at $1.44M in Q4 2017.
  • 1,084 funds tracked by Wall St. Rank held Public Storage as of Q1 2026.

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