William Blair & Company’s Omnicom Group OMC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $8.61M | Buy |
118,244
+45
| +0% | +$3.39K | 0.02% | 397 |
|
|
2026
Q1 | $8.9M | Sell |
118,199
-620
| -0.5% | -$48.1K | 0.03% | 372 |
|
|
2025
Q4 | $9.59M | Buy |
118,819
+2,477
| +2% | +$189K | 0.03% | 366 |
|
|
2025
Q3 | $9.49M | Sell |
116,342
-1,031
| -0.9% | -$77.9K | 0.03% | 371 |
|
|
2025
Q2 | $8.44M | Buy |
117,373
+315
| +0.3% | +$23.3K | 0.02% | 382 |
|
|
2025
Q1 | $9.71M | Sell |
117,058
-1,240
| -1% | -$104K | 0.03% | 336 |
|
|
2024
Q4 | $10.2M | Sell |
118,298
-5,013
| -4% | -$497K | 0.03% | 338 |
|
|
2024
Q3 | $12.7M | Sell |
123,311
-719
| -0.6% | -$69.1K | 0.04% | 312 |
|
|
2024
Q2 | $11.1M | Sell |
124,030
-287
| -0.2% | -$26.6K | 0.03% | 308 |
|
|
2024
Q1 | $12M | Sell |
124,317
-4,716
| -4% | -$423K | 0.04% | 301 |
|
|
2023
Q4 | $11.2M | Sell |
129,033
-103,245
| -44% | -$8.14M | 0.04% | 298 |
|
|
2023
Q3 | $17.3M | Sell |
232,278
-441
| -0.2% | -$36.4K | 0.07% | 215 |
|
|
2023
Q2 | $22.1M | Sell |
232,719
-4,691
| -2% | -$436K | 0.08% | 191 |
|
|
2023
Q1 | $22.4M | Buy |
237,410
+3,944
| +2% | +$349K | 0.09% | 189 |
|
|
2022
Q4 | $19M | Buy |
233,466
+263
| +0.1% | +$19.5K | 0.08% | 201 |
|
|
2022
Q3 | $14.7M | Buy |
233,203
+928
| +0.4% | +$62.9K | 0.07% | 221 |
|
|
2022
Q2 | $14.8M | Buy |
232,275
+651
| +0.3% | +$48.2K | 0.07% | 233 |
|
|
2022
Q1 | $19.7M | Sell |
231,624
-6,140
| -3% | -$493K | 0.07% | 224 |
|
|
2021
Q4 | $17.4M | Buy |
237,764
+3,892
| +2% | +$277K | 0.05% | 251 |
|
|
2021
Q3 | $16.9M | Sell |
233,872
-1,083
| -0.5% | -$80.5K | 0.06% | 249 |
|
|
2021
Q2 | $18.8M | Sell |
234,955
-5,944
| -2% | -$483K | 0.07% | 229 |
|
|
2021
Q1 | $17.9M | Sell |
240,899
-4,970
| -2% | -$343K | 0.07% | 228 |
|
|
2020
Q4 | $15.3M | Sell |
245,869
-1,408
| -0.6% | -$80.5K | 0.06% | 244 |
|
|
2020
Q3 | $12.2M | Buy |
247,277
+2,226
| +0.9% | +$119K | 0.05% | 246 |
|
|
2020
Q2 | $13.4M | Buy |
245,051
+1,110
| +0.5% | +$60.4K | 0.06% | 222 |
|
|
2020
Q1 | $13.4M | Buy |
243,941
+837
| +0.3% | +$59.4K | 0.08% | 194 |
|
|
2019
Q4 | $19.7M | Sell |
243,104
-13,593
| -5% | -$1.07M | 0.1% | 194 |
|
|
2019
Q3 | $20.1M | Sell |
256,697
-1,564
| -0.6% | -$124K | 0.12% | 176 |
|
|
2019
Q2 | $21.2M | Sell |
258,261
-4,645
| -2% | -$367K | 0.12% | 164 |
|
|
2019
Q1 | $19.2M | Sell |
262,906
-4,641
| -2% | -$349K | 0.12% | 174 |
|
|
2018
Q4 | $19.6M | Sell |
267,547
-928
| -0.3% | -$68.8K | 0.14% | 152 |
|
|
2018
Q3 | $18.3M | Buy |
268,475
+162
| +0.1% | +$11.4K | 0.11% | 180 |
|
|
2018
Q2 | $20.5M | Sell |
268,313
-432
| -0.2% | -$31.9K | 0.14% | 152 |
|
|
2018
Q1 | $19.5M | Buy |
268,745
+768
| +0.3% | +$57.6K | 0.14% | 154 |
|
|
2017
Q4 | $19.5M | Sell |
267,977
-808
| -0.3% | -$58K | 0.13% | 162 |
|
|
2017
Q3 | $19.9M | Sell |
268,785
-454
| -0.2% | -$35K | 0.15% | 151 |
|
|
2017
Q2 | $22.3M | Sell |
269,239
-4,558
| -2% | -$380K | 0.17% | 141 |
|
|
2017
Q1 | $23.6M | Sell |
273,797
-874
| -0.3% | -$74.6K | 0.19% | 132 |
|
|
2016
Q4 | $23.4M | Sell |
274,671
-664
| -0.2% | -$55.7K | 0.21% | 123 |
|
|
2016
Q3 | $23.4M | Buy |
275,335
+1,555
| +0.6% | +$130K | 0.21% | 121 |
|
|
2016
Q2 | $22.3M | Buy |
273,780
+716
| +0.3% | +$59.5K | 0.21% | 124 |
|
|
2016
Q1 | $22.7M | Buy |
273,064
+243,236
| +815% | +$18.3M | 0.21% | 125 |
|
|
2015
Q4 | $2.26M | Sell |
29,828
-1
| -0% | -$73 | 0.02% | 439 |
|
|
2015
Q3 | $1.97M | Sell |
29,829
-3,840
| -11% | -$269K | 0.02% | 533 |
|
|
2015
Q2 | $2.34M | Buy |
33,669
+3,428
| +11% | +$259K | ﹤0.01% | 1289 |
|
|
2015
Q1 | $2.36M | Sell |
30,241
-1,593
| -5% | -$122K | ﹤0.01% | 1264 |
|
|
2014
Q4 | $2.47M | Buy |
31,834
+15,424
| +94% | +$1.13M | ﹤0.01% | 1237 |
|
|
2014
Q3 | $1.13M | Buy |
16,410
+1,068
| +7% | +$76.2K | ﹤0.01% | 1427 |
|
|
2014
Q2 | $1.09M | Sell |
15,342
-22,700
| -60% | -$1.58M | ﹤0.01% | 1427 |
|
|
2014
Q1 | $2.76M | Sell |
38,042
-4,012
| -10% | -$295K | ﹤0.01% | 1110 |
|
|
2013
Q4 | $3.13M | Sell |
42,054
-1,244
| -3% | -$85.5K | 0.01% | 1037 |
|
|
2013
Q3 | $2.75M | Buy |
43,298
+27,970
| +182% | +$1.78M | ﹤0.01% | 1045 |
|
|
2013
Q2 | $964K | Buy |
+15,328
| New | +$940K | ﹤0.01% | 1292 |
|
Other funds holding OMC
William Blair & Company's OMC Position: Q2 2026 in Review
William Blair & Company increased its Omnicom Group (OMC) stake by 0.04% in Q2 2026, buying an estimated $3.39K and bringing the position to 118,244 shares worth $8.61M. The position accounts for 0.02% of the portfolio, ranked #397.
William Blair & Company first reported a position in OMC in Q2 2013 and has held it in 53 quarters since. The position peaked at $23.6M in Q1 2017. 1,098 funds tracked by Wall St. Rank hold OMC as of Q2 2026.
- William Blair & Company held 118,244 shares of Omnicom Group worth $8.61M as of Q2 2026.
- William Blair & Company bought 45 Omnicom Group shares in Q2 2026, an estimated $3.39K.
- Omnicom Group made up 0.02% of William Blair & Company's portfolio in Q2 2026, its #397 holding.
- William Blair & Company first reported a position in Omnicom Group in Q2 2013 and has held it in 53 quarters since.
- William Blair & Company's Omnicom Group position peaked at $23.6M in Q1 2017.
- 1,098 funds tracked by Wall St. Rank held Omnicom Group as of Q2 2026.
Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.