The largest holder of Interpublic Group of Companies stock is Vanguard Fiduciary Trust Co., with 42.8 million shares (11.47% of the company), worth about $1.19 billion as of November 8, 2025. The 10 largest holders together own 45.1%.
In Q2 2026, 1 institutional holdings reports listed 1 shares worth $25.
Insiders reported 16 transactions in the last two years: 3 sales worth $1.38 million and no purchases. The newest one on file is from May 1, 2025 (Carter-Miller Jocelyn E. Cpa, Director).
Major holders as of November 8, 2025; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 1, 2025.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Vanguard Fiduciary Trust Co. | 42.8 million | 11.47% | $1.2B |
| BlackRock Advisors LLC | 29.4 million | 7.89% | $821.0M |
| State Street Corporation | 28.1 million | 7.55% | $785.0M |
| Canada Pension Plan Investment Board | 14.8 million | 3.98% | $414.0M |
| Invesco Advisers, Inc. | 10.6 million | 2.85% | $296.0M |
| Geode Capital Management LLC | 9.6 million | 2.58% | $268.0M |
| Beutel, Goodman & Co. Ltd. | 8.6 million | 2.31% | $240.0M |
| JPMorgan Investment Management, Inc. | 8.2 million | 2.19% | $228.0M |
| BlackRock Life Ltd. | 8.2 million | 2.19% | $228.0M |
| Millennium Management LLC | 7.9 million | 2.11% | $220.0M |
As of November 8, 2025.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1 | 1 | $25 |
| Q1 2026 | 2 | 34,400 | $608,000 |
| Q4 2025 | 4 | 191,000 | $6.1M |
| Q3 2025 | 659 | – | $10.7B |
| Q2 2025 | 674 | 384.0 million | $9.4B |
| Q1 2025 | 730 | 391.0 million | $10.6B |
| Q4 2024 | 777 | 373.0 million | $10.5B |
| Q3 2024 | 752 | 390.0 million | $12.3B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Carter-Miller Jocelyn E. Cpa | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Benitez Jorge L | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Moore Patrick Q | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Guilfoile Mary J. Steele | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Sanford Linda S | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Miller Jonathan Frank | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Hudson Beach Dawn E | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Wyatt E Lee Jr | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $224,970 |
| Thomas David M | May 1, 2025 | Director | Stock Award(Grant) at price 25.03 per share. | $299,960 |
| Carroll Christopher F | Mar 3, 2025 | Officer | Sale at price 26.82 per share. | $241,380 |
| Johnson Ellen Tobi | Mar 3, 2025 | Chief Financial Officer | Sale at price 26.82 per share. | $574,672 |
| Bonzani Andrew | Mar 3, 2025 | General Counsel | Sale at price 26.82 per share. | $566,707 |
Newest 12 of 16 insider transactions in the last two years.
Vanguard Fiduciary Trust Co., with 11.47% of the company (as of November 8, 2025). Next: BlackRock Advisors LLC (7.89%) and State Street Corporation (7.55%).
1 institutional holdings reports listed Interpublic Group of Companies shares in Q2 2026, 1 shares in all worth $25.
In the last two years insiders reported 3 sales and no purchases (16 transactions in all); the newest on file is from May 1, 2025.