Marshall Wace’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
Q1
$384K Sell
5,100
-99,472
-95% -$7.72M ﹤0.01% 2562
2025
Q4
$8.44M Sell
104,572
-200,914
-66% -$15.4M 0.01% 936
2025
Q3
$24.9M Sell
305,486
-286,226
-48% -$21.6M 0.03% 563
2025
Q2
$42.6M Sell
591,712
-240,136
-29% -$17.7M 0.05% 337
2025
Q1
$69M Buy
831,848
+796,807
+2,274% +$66.5M 0.09% 203
2024
Q4
$3.01M Buy
+35,041
New +$3.47M ﹤0.01% 1287
2024
Q1
Sell
-4,900
Closed -$424K 2703
2023
Q4
$424K Buy
+4,900
New +$386K ﹤0.01% 1773
2023
Q2
Sell
-36,300
Closed -$3.42M 2827
2023
Q1
$3.42M Buy
+36,300
New +$3.22M 0.01% 1179
2022
Q4
Sell
-230,939
Closed -$14.6M 3287
2022
Q3
$14.6M Buy
230,939
+125,295
+119% +$8.5M 0.03% 619
2022
Q2
$6.72M Buy
+105,644
New +$7.82M 0.01% 1144
2022
Q1
Sell
-835,595
Closed -$61.2M 3830
2021
Q4
$61.2M Buy
835,595
+530,470
+174% +$37.7M 0.11% 172
2021
Q3
$22.1M Buy
305,125
+227,280
+292% +$16.9M 0.09% 244
2021
Q2
$6.23M Buy
77,845
+65,771
+545% +$5.34M 0.03% 716
2021
Q1
$896K Sell
12,074
-142,639
-92% -$9.85M ﹤0.01% 1719
2020
Q4
$9.65M Sell
154,713
-108,178
-41% -$6.18M 0.05% 362
2020
Q3
$13M Buy
262,891
+102,301
+64% +$5.48M 0.08% 239
2020
Q2
$8.77M Sell
160,590
-209,739
-57% -$11.4M 0.06% 317
2020
Q1
$20.3M Buy
+370,329
New +$26.3M 0.2% 109
2019
Q4
Sell
-54,031
Closed -$4.23M 1967
2019
Q3
$4.23M Buy
+54,031
New +$4.29M 0.03% 548
2017
Q2
Sell
-20,221
Closed -$1.74M 370
2017
Q1
$1.74M Sell
20,221
-129,561
-86% -$11.1M 0.08% 154
2016
Q4
$12.7M Buy
149,782
+124,210
+486% +$10.4M 0.08% 274
2016
Q3
$2.17M Buy
+25,572
New +$2.14M 0.02% 577
2014
Q3
Sell
-251,225
Closed -$17.9M 989
2014
Q2
$17.9M Buy
251,225
+225,945
+894% +$15.7M 0.26% 106
2014
Q1
$1.83M Buy
+25,280
New +$1.86M 0.03% 370

Other funds holding OMC

Marshall Wace's OMC Position: Q1 2026 in Review

Marshall Wace reduced its Omnicom Group (OMC) stake by 95% in Q1 2026, selling an estimated $7.72M and leaving 5,100 shares worth $384K. The position accounts for ﹤0.01% of the portfolio, ranked #2562.

Marshall Wace first reported a position in OMC in Q1 2014 and has held it in 24 quarters since. The position peaked at $69M in Q1 2025. 1,121 funds tracked by Wall St. Rank hold OMC as of Q1 2026.

  • Marshall Wace held 5,100 shares of Omnicom Group worth $384K as of Q1 2026.
  • Marshall Wace sold 99,472 Omnicom Group shares in Q1 2026, an estimated $7.72M.
  • Omnicom Group made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2562 holding.
  • Marshall Wace first reported a position in Omnicom Group in Q1 2014 and has held it in 24 quarters since.
  • Marshall Wace's Omnicom Group position peaked at $69M in Q1 2025.
  • 1,121 funds tracked by Wall St. Rank held Omnicom Group as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.