William Blair & Company’s ConocoPhillips COP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$7M Buy
53,028
+2,825
+6% +$313K 0.02% 425
2025
Q4
$4.7M Sell
50,203
-2,114
-4% -$191K 0.01% 535
2025
Q3
$4.95M Sell
52,317
-185
-0.4% -$17.5K 0.01% 512
2025
Q2
$4.71M Sell
52,502
-329
-0.6% -$29.6K 0.01% 509
2025
Q1
$5.55M Buy
52,831
+620
+1% +$61.8K 0.02% 456
2024
Q4
$5.18M Sell
52,211
-826
-2% -$87.7K 0.02% 490
2024
Q3
$5.58M Sell
53,037
-1,094
-2% -$120K 0.02% 474
2024
Q2
$6.19M Sell
54,131
-5,931
-10% -$720K 0.02% 431
2024
Q1
$7.64M Sell
60,062
-148
-0.2% -$16.9K 0.02% 382
2023
Q4
$6.99M Sell
60,210
-2,587
-4% -$303K 0.02% 387
2023
Q3
$7.52M Buy
62,797
+122
+0.2% +$14.2K 0.03% 356
2023
Q2
$6.49M Buy
62,675
+5,468
+10% +$562K 0.02% 392
2023
Q1
$5.68M Buy
57,207
+5,845
+11% +$640K 0.02% 415
2022
Q4
$6.06M Sell
51,362
-1,790
-3% -$218K 0.03% 388
2022
Q3
$5.44M Buy
53,152
+489
+0.9% +$48.8K 0.03% 390
2022
Q2
$4.73M Sell
52,663
-5,322
-9% -$548K 0.02% 432
2022
Q1
$5.8M Sell
57,985
-937
-2% -$86.2K 0.02% 433
2021
Q4
$4.25M Sell
58,922
-5,372
-8% -$391K 0.01% 513
2021
Q3
$4.36M Sell
64,294
-1,957
-3% -$113K 0.01% 489
2021
Q2
$4.04M Sell
66,251
-15,157
-19% -$845K 0.01% 509
2021
Q1
$4.31M Sell
81,408
-3,494
-4% -$172K 0.02% 483
2020
Q4
$3.4M Buy
84,902
+3,502
+4% +$129K 0.01% 522
2020
Q3
$2.67M Buy
81,400
+4,858
+6% +$184K 0.01% 525
2020
Q2
$3.22M Sell
76,542
-26,998
-26% -$1.09M 0.02% 464
2020
Q1
$3.19M Sell
103,540
-10,507
-9% -$535K 0.02% 423
2019
Q4
$7.42M Sell
114,047
-14,040
-11% -$826K 0.04% 311
2019
Q3
$7.3M Sell
128,087
-6,880
-5% -$392K 0.04% 304
2019
Q2
$8.23M Sell
134,967
-304
-0.2% -$18.9K 0.05% 294
2019
Q1
$9.03M Buy
135,271
+1,211
+0.9% +$81.5K 0.06% 275
2018
Q4
$8.36M Sell
134,060
-948
-0.7% -$64.5K 0.06% 259
2018
Q3
$10.4M Sell
135,008
-7,954
-6% -$574K 0.06% 247
2018
Q2
$9.95M Sell
142,962
-765
-0.5% -$51K 0.07% 243
2018
Q1
$8.52M Sell
143,727
-8,331
-5% -$471K 0.06% 260
2017
Q4
$8.35M Sell
152,058
-873
-0.6% -$44.9K 0.06% 263
2017
Q3
$7.65M Sell
152,931
-555
-0.4% -$24.9K 0.06% 266
2017
Q2
$6.75M Buy
153,486
+2,867
+2% +$134K 0.05% 287
2017
Q1
$7.35M Buy
150,619
+18,995
+14% +$918K 0.06% 259
2016
Q4
$6.6M Buy
131,624
+1,706
+1% +$78.7K 0.06% 262
2016
Q3
$5.65M Sell
129,918
-24,938
-16% -$1.04M 0.05% 291
2016
Q2
$6.75M Sell
154,856
-15,439
-9% -$681K 0.06% 250
2016
Q1
$6.86M Sell
170,295
-11,658
-6% -$443K 0.06% 239
2015
Q4
$8.49M Sell
181,953
-9,663
-5% -$505K 0.08% 223
2015
Q3
$9.19M Sell
191,616
-735
-0.4% -$37.4K 0.08% 234
2015
Q2
$11.8M Buy
192,351
+19,110
+11% +$1.25M 0.02% 839
2015
Q1
$10.8M Sell
173,241
-5,272
-3% -$341K 0.02% 828
2014
Q4
$12.3M Buy
178,513
+35,606
+25% +$2.49M 0.02% 778
2014
Q3
$10.9M Buy
142,907
+4,816
+3% +$394K 0.02% 802
2014
Q2
$11.8M Buy
138,091
+1,177
+0.9% +$91.7K 0.02% 791
2014
Q1
$9.63M Buy
136,914
+12,052
+10% +$807K 0.02% 832
2013
Q4
$8.82M Sell
124,862
-945
-0.8% -$67.9K 0.01% 817
2013
Q3
$8.74M Sell
125,807
-5,181
-4% -$346K 0.02% 777
2013
Q2
$7.92M Buy
+130,988
New +$7.97M 0.02% 786

Other funds holding COP

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

William Blair & Company increased its ConocoPhillips (COP) stake by 5.6% in Q1 2026, buying an estimated $313K and bringing the position to 53,028 shares worth $7M. The position accounts for 0.02% of the portfolio, ranked #425.

William Blair & Company first reported a position in COP in Q2 2013 and has held it in 52 quarters since. The position peaked at $12.3M in Q4 2014. 2,565 funds tracked by Wall St. Rank hold COP as of Q1 2026.

  • William Blair & Company held 53,028 shares of ConocoPhillips worth $7M as of Q1 2026.
  • William Blair & Company bought 2,825 ConocoPhillips shares in Q1 2026, an estimated $313K.
  • ConocoPhillips made up 0.02% of William Blair & Company's portfolio in Q1 2026, its #425 holding.
  • William Blair & Company first reported a position in ConocoPhillips in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's ConocoPhillips position peaked at $12.3M in Q4 2014.
  • 2,565 funds tracked by Wall St. Rank held ConocoPhillips as of Q1 2026.

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