William Blair & Company’s ONE Gas OGS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$299K Buy
3,471
+385
+12% +$31.9K ﹤0.01% 1340
2025
Q4
$238K Sell
3,086
-157
-5% -$12.6K ﹤0.01% 1397
2025
Q3
$262K Buy
3,243
+246
+8% +$18.4K ﹤0.01% 1351
2025
Q2
$215K Buy
2,997
+1
+0% +$75 ﹤0.01% 1395
2025
Q1
$227K Hold
2,996
﹤0.01% 1361
2024
Q4
$207K Buy
2,996
+1
+0% +$73 ﹤0.01% 1430
2024
Q3
$223K Buy
+2,995
New +$206K ﹤0.01% 1397
2023
Q4
Sell
-3,080
Closed -$210K 1832
2023
Q3
$210K Buy
3,080
+238
+8% +$18K ﹤0.01% 1371
2023
Q2
$218K Buy
2,842
+63
+2% +$5.03K ﹤0.01% 1380
2023
Q1
$220K Sell
2,779
-19
-0.7% -$1.51K ﹤0.01% 1366
2022
Q4
$212K Buy
+2,798
New +$216K ﹤0.01% 1350
2022
Q3
Sell
-2,798
Closed -$227K 1868
2022
Q2
$227K Buy
2,798
+93
+3% +$7.96K ﹤0.01% 1366
2022
Q1
$239K Hold
2,705
﹤0.01% 1451
2021
Q4
$210K Buy
+2,705
New +$188K ﹤0.01% 1553
2021
Q3
Sell
-2,705
Closed -$200K 1923
2021
Q2
$200K Sell
2,705
-132
-5% -$10.2K ﹤0.01% 1507
2021
Q1
$218K Sell
2,837
-15
-0.5% -$1.09K ﹤0.01% 1453
2020
Q4
$219K Sell
2,852
-456
-14% -$34.5K ﹤0.01% 1397
2020
Q3
$228K Buy
3,308
+297
+10% +$21.9K ﹤0.01% 1249
2020
Q2
$232K Hold
3,011
﹤0.01% 1180
2020
Q1
$252K Sell
3,011
-500
-14% -$44.2K ﹤0.01% 1077
2019
Q4
$329K Buy
3,511
+484
+16% +$44.3K ﹤0.01% 1142
2019
Q3
$291K Hold
3,027
﹤0.01% 1127
2019
Q2
$273K Buy
3,027
+360
+13% +$31.8K ﹤0.01% 1179
2019
Q1
$237K Sell
2,667
-1,344
-34% -$113K ﹤0.01% 1242
2018
Q4
$319K Sell
4,011
-120
-3% -$9.89K ﹤0.01% 1068
2018
Q3
$340K Buy
4,131
+127
+3% +$9.94K ﹤0.01% 1089
2018
Q2
$299K Hold
4,004
﹤0.01% 1121
2018
Q1
$264K Buy
4,004
+460
+13% +$31K ﹤0.01% 1115
2017
Q4
$260K Hold
3,544
﹤0.01% 1173
2017
Q3
$261K Hold
3,544
﹤0.01% 1163
2017
Q2
$247K Buy
+3,544
New +$247K ﹤0.01% 1271

Other funds holding OGS

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

William Blair & Company increased its ONE Gas (OGS) stake by 12% in Q1 2026, buying an estimated $31.9K and bringing the position to 3,471 shares worth $299K. The position accounts for ﹤0.01% of the portfolio, ranked #1340.

William Blair & Company first reported a position in OGS in Q2 2017 and has held it in 31 quarters since. The position peaked at $340K in Q3 2018. 427 funds tracked by Wall St. Rank hold OGS as of Q1 2026.

  • William Blair & Company held 3,471 shares of ONE Gas worth $299K as of Q1 2026.
  • William Blair & Company bought 385 ONE Gas shares in Q1 2026, an estimated $31.9K.
  • ONE Gas made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1340 holding.
  • William Blair & Company first reported a position in ONE Gas in Q2 2017 and has held it in 31 quarters since.
  • William Blair & Company's ONE Gas position peaked at $340K in Q3 2018.
  • 427 funds tracked by Wall St. Rank held ONE Gas as of Q1 2026.

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