William Blair & Company
IEO icon

William Blair & Company’s iShares US Oil & Gas Exploration & Production ETF IEO Stock Holding History

William Blair & Company’s Portfolio IEO Stock Details IEO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$88.9K Sell
712
-1
-0.1% -$106 ﹤0.01% 1610
2025
Q4 		$63.6K Sell
713
-198
-22% -$18K ﹤0.01% 1627
2025
Q3 		$84.4K Sell
911
-3
-0.3% -$272 ﹤0.01% 1583
2025
Q2 		$81K Sell
914
-700
-43% -$60K ﹤0.01% 1547
2025
Q1 		$153K Hold
1,614
– – ﹤0.01% 1445
2024
Q4 		$145K Buy
1,614
+869
+117% +$81.8K ﹤0.01% 1493
2024
Q3 		$68.2K Sell
745
-1,166
-61% -$111K ﹤0.01% 1589
2024
Q2 		$190K Sell
1,911
-60
-3% -$6.22K ﹤0.01% 1425
2024
Q1 		$211K Sell
1,971
-129
-6% -$12.3K ﹤0.01% 1391
2023
Q4 		$196K Sell
2,100
-395
-16% -$37.5K ﹤0.01% 1407
2023
Q3 		$243K Sell
2,495
-93
-4% -$8.83K ﹤0.01% 1321
2023
Q2 		$220K Buy
2,588
+60
+2% +$5.04K ﹤0.01% 1375
2023
Q1 		$217K Sell
2,528
-700
-22% -$62.7K ﹤0.01% 1373
2022
Q4 		$300K Sell
3,228
-12,575
-80% -$1.22M ﹤0.01% 1233
2022
Q3 		$1.32M Hold
15,803
– – 0.01% 733
2022
Q2 		$1.23M Buy
15,803
+2,053
+15% +$182K 0.01% 775
2022
Q1 		$1.16M Buy
+13,750
New +$1.03M ﹤0.01% 868
2020
Q2 		– Sell
-185
Closed -$4K – 1707
2020
Q1 		$4K Hold
185
– – ﹤0.01% 1597
2019
Q4 		$10K Hold
185
– – ﹤0.01% 1631
2019
Q3 		$9K Sell
185
-400
-68% -$20.7K ﹤0.01% 1604
2019
Q2 		$33K Hold
585
– – ﹤0.01% 1536
2019
Q1 		$34K Sell
585
-208
-26% -$12K ﹤0.01% 1511
2018
Q4 		$41K Buy
793
+18
+2% +$1.14K ﹤0.01% 1414
2018
Q3 		$59K Buy
775
+100
+15% +$7.41K ﹤0.01% 1443
2018
Q2 		$50K Hold
675
– – ﹤0.01% 1419
2018
Q1 		$43K Buy
+675
New +$43.3K ﹤0.01% 1360

Other funds holding IEO

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return
BPCE
Bank Pictet & Cie (Europe) Frankfurt Am Main, Germany $5.12B AUM 27.39% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
EWA
EP Wealth Advisors Torrance, California $20.3B AUM
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

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

William Blair & Company reduced its iShares US Oil & Gas Exploration & Production ETF (IEO) stake by 0.14% in Q1 2026, selling an estimated $106 and leaving 712 shares worth $88.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1610.

William Blair & Company first reported a position in IEO in Q1 2018 and has held it in 26 quarters since. The position peaked at $1.32M in Q3 2022. 169 funds tracked by Wall St. Rank hold IEO as of Q1 2026.

  • William Blair & Company held 712 shares of iShares US Oil & Gas Exploration & Production ETF worth $88.9K as of Q1 2026.
  • William Blair & Company sold 1 iShares US Oil & Gas Exploration & Production ETF share in Q1 2026, an estimated $106.
  • iShares US Oil & Gas Exploration & Production ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1610 holding.
  • William Blair & Company first reported a position in iShares US Oil & Gas Exploration & Production ETF in Q1 2018 and has held it in 26 quarters since.
  • William Blair & Company's iShares US Oil & Gas Exploration & Production ETF position peaked at $1.32M in Q3 2022.
  • 169 funds tracked by Wall St. Rank held iShares US Oil & Gas Exploration & Production ETF as of Q1 2026.

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