William Blair & Company
ET icon

William Blair & Company’s Energy Transfer Partners ET Stock Holding History

William Blair & Company’s Portfolio ET Stock Details ET Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$10.6M Sell
547,059
-606
-0.1% -$11.1K 0.03% 340
2025
Q4 		$9.03M Sell
547,665
-4,254
-0.8% -$70.8K 0.02% 379
2025
Q3 		$9.47M Sell
551,919
-20,501
-4% -$359K 0.03% 373
2025
Q2 		$10.4M Buy
572,420
+468
+0.1% +$8.17K 0.03% 339
2025
Q1 		$10.6M Buy
571,952
+56,660
+11% +$1.1M 0.03% 320
2024
Q4 		$10.1M Buy
515,292
+39,816
+8% +$705K 0.03% 339
2024
Q3 		$7.63M Buy
475,476
+25,704
+6% +$414K 0.02% 401
2024
Q2 		$7.3M Buy
449,772
+37,927
+9% +$596K 0.02% 391
2024
Q1 		$6.48M Sell
411,845
-647
-0.2% -$9.42K 0.02% 415
2023
Q4 		$5.69M Buy
412,492
+28,658
+7% +$389K 0.02% 428
2023
Q3 		$5.39M Sell
383,834
-15,997
-4% -$212K 0.02% 421
2023
Q2 		$5.08M Sell
399,831
-3,730
-0.9% -$47.3K 0.02% 442
2023
Q1 		$5.03M Buy
403,561
+31,561
+8% +$399K 0.02% 439
2022
Q4 		$4.42M Buy
372,000
+5,090
+1% +$61.1K 0.02% 449
2022
Q3 		$4.05M Buy
366,910
+52,408
+17% +$584K 0.02% 449
2022
Q2 		$3.14M Buy
314,502
+53,678
+21% +$601K 0.01% 526
2022
Q1 		$2.92M Buy
260,824
+31,407
+14% +$311K 0.01% 599
2021
Q4 		$1.89M Sell
229,417
-19,595
-8% -$178K 0.01% 747
2021
Q3 		$2.39M Buy
249,012
+25,786
+12% +$248K 0.01% 660
2021
Q2 		$2.37M Sell
223,226
-13,142
-6% -$126K 0.01% 659
2021
Q1 		$1.81M Sell
236,368
-25,380
-10% -$185K 0.01% 718
2020
Q4 		$1.62M Sell
261,748
-41,215
-14% -$249K 0.01% 707
2020
Q3 		$1.64M Sell
302,963
-52,025
-15% -$330K 0.01% 632
2020
Q2 		$2.53M Sell
354,988
-75,422
-18% -$559K 0.01% 505
2020
Q1 		$1.98M Sell
430,410
-265,652
-38% -$2.83M 0.01% 512
2019
Q4 		$8.93M Sell
696,062
-70,782
-9% -$872K 0.05% 283
2019
Q3 		$13.8M Sell
766,844
-51,626
-6% -$720K 0.08% 220
2019
Q2 		$14.7M Buy
818,470
+4,088
+0.5% +$60.5K 0.08% 207
2019
Q1 		$14.7M Buy
814,382
+19,451
+2% +$289K 0.09% 205
2018
Q4 		$14.3M Buy
794,931
+626,626
+372% +$9.52M 0.1% 188
2018
Q3 		$2.93M Sell
168,305
-28,198
-14% -$501K 0.02% 478
2018
Q2 		$3.39M Sell
196,503
-16,380
-8% -$269K 0.02% 447
2018
Q1 		$3.02M Sell
212,883
-180
-0.1% -$2.99K 0.02% 467
2017
Q4 		$3.68M Sell
213,063
-4,054
-2% -$69.1K 0.03% 428
2017
Q3 		$3.77M Buy
217,117
+855
+0.4% +$15K 0.03% 404
2017
Q2 		$3.88M Buy
216,262
+11,740
+6% +$209K 0.03% 406
2017
Q1 		$3.86M Buy
204,522
+19,418
+10% +$366K 0.03% 374
2016
Q4 		$3.57M Sell
185,104
-13,495
-7% -$225K 0.03% 368
2016
Q3 		$3.33M Buy
198,599
+3,647
+2% +$61.6K 0.03% 389
2016
Q2 		$2.8M Sell
194,952
-2,597
-1% -$31K 0.03% 403
2016
Q1 		$1.41M Sell
197,549
-44,184
-18% -$347K 0.01% 532
2015
Q4 		$3.32M Buy
241,733
+9,043
+4% +$169K 0.03% 361
2015
Q3 		$4.84M Buy
232,690
+10,612
+5% +$300K 0.04% 318
2015
Q2 		$7.12M Buy
222,078
+18,094
+9% +$606K 0.01% 975
2015
Q1 		$6.46M Buy
203,984
+22,960
+13% +$680K 0.01% 964
2014
Q4 		$5.19M Buy
181,024
+61,300
+51% +$1.77M 0.01% 1044
2014
Q3 		$3.69M Buy
119,724
+3,224
+3% +$94.7K 0.01% 1089
2014
Q2 		$3.43M Buy
116,500
+6,600
+6% +$167K 0.01% 1103
2014
Q1 		$2.57M Buy
109,900
+9,300
+9% +$201K ﹤0.01% 1137
2013
Q4 		$2.06M Sell
100,600
-1,080
-1% -$19.4K ﹤0.01% 1172
2013
Q3 		$1.67M Buy
101,680
+16,160
+19% +$257K ﹤0.01% 1185
2013
Q2 		$1.28M Buy
+85,520
New +$1.25M ﹤0.01% 1192

Other funds holding ET

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
AA
ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.6B AUM 19.53% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $25.6B AUM 26.83% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
EIP
Energy Income Partners Westport, Connecticut $6.22B AUM 18.97% 1-Year Est. Return

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

William Blair & Company reduced its Energy Transfer Partners (ET) stake by 0.11% in Q1 2026, selling an estimated $11.1K and leaving 547,059 shares worth $10.6M. The position accounts for 0.03% of the portfolio, ranked #340.

William Blair & Company first reported a position in ET in Q2 2013 and has held it in 52 quarters since. The position peaked at $14.7M in Q2 2019. 1,293 funds tracked by Wall St. Rank hold ET as of Q1 2026.

  • William Blair & Company held 547,059 shares of Energy Transfer Partners worth $10.6M as of Q1 2026.
  • William Blair & Company sold 606 Energy Transfer Partners shares in Q1 2026, an estimated $11.1K.
  • Energy Transfer Partners made up 0.03% of William Blair & Company's portfolio in Q1 2026, its #340 holding.
  • William Blair & Company first reported a position in Energy Transfer Partners in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Energy Transfer Partners position peaked at $14.7M in Q2 2019.
  • 1,293 funds tracked by Wall St. Rank held Energy Transfer Partners as of Q1 2026.

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