William Blair Investment Management
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William Blair Investment Management’s Union Pacific UNP Stock Holding History

William Blair Investment Management’s Portfolio UNP Stock Details UNP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q4 		– Sell
-283,400
Closed -$55.2M – 417
2022
Q3 		$55.2M Sell
283,400
-7,661
-3% -$1.7M 0.22% 116
2022
Q2 		$62.1M Sell
291,061
-18,295
-6% -$4.16M 0.23% 121
2022
Q1 		$84.5M Buy
309,356
+10,047
+3% +$2.54M 0.25% 115
2021
Q4 		$75.4M Buy
299,309
+39,404
+15% +$9.33M 0.2% 124
2021
Q3 		$50.9M Sell
259,905
-2,869
-1% -$620K 0.14% 161
2021
Q2 		$57.8M Sell
262,774
-2,538
-1% -$565K 0.18% 137
2021
Q1 		$58.5M Buy
265,312
+35,403
+15% +$7.43M 0.19% 127
2020
Q4 		$47.9M Sell
229,909
-60,889
-21% -$12.2M 0.16% 132
2020
Q3 		$57.2M Sell
290,798
-35,016
-11% -$6.51M 0.22% 117
2020
Q2 		$55.1M Sell
325,814
-67,480
-17% -$10.8M 0.22% 120
2020
Q1 		$55.5M Buy
393,294
+1,029
+0.3% +$170K 0.27% 107
2019
Q4 		$70.9M Sell
392,265
-3,076
-0.8% -$527K 0.28% 105
2019
Q3 		$64M Buy
395,341
+1,917
+0.5% +$322K 0.27% 100
2019
Q2 		$66.5M Buy
393,424
+4,100
+1% +$703K 0.28% 105
2019
Q1 		$65.1M Buy
389,324
+1,336
+0.3% +$215K 0.27% 101
2018
Q4 		$53.6M Buy
387,988
+2,034
+0.5% +$301K 0.27% 102
2018
Q3 		$62.8M Buy
385,954
+50,081
+15% +$7.54M 0.22% 126
2018
Q2 		$47.6M Sell
335,873
-703,181
-68% -$98M 0.18% 152
2018
Q1 		$140M Sell
1,039,054
-155,527
-13% -$20.9M 0.53% 57
2017
Q4 		$160M Sell
1,194,581
-249,031
-17% -$30M 0.62% 43
2017
Q3 		$167M Sell
1,443,612
-385,229
-21% -$41.3M 0.6% 45
2017
Q2 		$199M Sell
1,828,841
-203,749
-10% -$22.2M 0.72% 44
2017
Q1 		$215M Buy
2,032,590
+335,360
+20% +$35.8M 0.81% 39
2016
Q4 		$176M Sell
1,697,230
-206,632
-11% -$20.3M 0.7% 41
2016
Q3 		$186M Buy
1,903,862
+82,149
+5% +$7.68M 0.7% 43
2016
Q2 		$159M Sell
1,821,713
-112,475
-6% -$9.51M 0.63% 57
2016
Q1 		$154M Buy
1,934,188
+381,713
+25% +$29.5M 0.61% 57
2015
Q4 		$121M Buy
1,552,475
+273,817
+21% +$23.5M 0.49% 72
2015
Q3 		$113M Buy
+1,278,658
New +$117M 0.23% 131

Other funds holding UNP

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

William Blair Investment Management's UNP Position: Q4 2022 in Review

William Blair Investment Management sold out of Union Pacific (UNP) in Q4 2022, closing a stake of 283,400 shares — an estimated $55.2M sold.

William Blair Investment Management first reported a position in UNP in Q3 2015 and held it in 29 quarters. The position peaked at $215M in Q1 2017. 2,419 funds tracked by Wall St. Rank hold UNP as of Q4 2022.

  • William Blair Investment Management reported no remaining Union Pacific position as of Q4 2022 after selling out during the quarter.
  • William Blair Investment Management sold 283,400 Union Pacific shares in Q4 2022, an estimated $55.2M.
  • William Blair Investment Management first reported a position in Union Pacific in Q3 2015 and held it in 29 quarters.
  • William Blair Investment Management's Union Pacific position peaked at $215M in Q1 2017.
  • 2,419 funds tracked by Wall St. Rank held Union Pacific as of Q4 2022.

Based on William Blair Investment Management's 13F filing for Q4 2022, filed 9 Feb 2023.