Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ZTS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 35.6M | $4.21B | -4.7% | 8.488% | 0.07% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 26.1M | $3.08B | β | 6.219% | 0.08% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 24.0M | $2.83B | β | 5.717% | 0.15% |
| 4 | STATE STREET CORP | 19.3M | $2.28B | -2.4% | 4.609% | 0.08% |
| 5 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 15.9M | $1.88B | 0.0% | 3.791% | 1.48% |
| 6 | MORGAN STANLEY | 14.1M | $1.67B | -8.5% | 3.374% | 0.10% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 11.3M | $1.34B | +0.2% | 2.707% | 0.08% |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | 10.2M | $1.20B | -10.9% | 2.421% | 0.22% |
| 9 | NORDEA INVESTMENT MANAGEMENT AB | 5.9M | $679.8M | +18.9% | 1.399% | 0.63% |
| 10 | WELLS FARGO & COMPANY/MN | 5.7M | $669.6M | +18.3% | 1.351% | 0.15% |
| 11 | NORTHERN TRUST CORP | 5.5M | $655.6M | -3.5% | 1.323% | 0.09% |
| 12 | DEUTSCHE BANK AG\ | 5.5M | $653.9M | -0.5% | 1.320% | 0.22% |
| 13 | FIL Ltd | 5.5M | $648.6M | +157.1% | 1.309% | 0.50% |
| 14 | BANK OF AMERICA CORP /DE/ | 4.8M | $571.1M | +7.3% | 1.153% | 0.04% |
| 15 | UBS ASSET MANAGEMENT AMERICAS INC | 4.4M | $519.9M | +14.9% | 1.049% | 0.11% |
| 16 | Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 4.2M | $501.7M | +0.1% | 1.012% | 0.34% |
| 17 | POLEN CAPITAL MANAGEMENT LLC | 4.2M | $499.2M | -24.1% | 1.007% | 3.45% |
| 18 | BROWN ADVISORY INC | 4.2M | $495.1M | +3.5% | 0.999% | 0.81% |
| 19 | Bank of New York Mellon Corp | 3.9M | $461.0M | -9.4% | 0.930% | 0.08% |
| 20 | Fundsmith LLP | 3.9M | $458.4M | -0.6% | 0.925% | 3.57% |
| 21 | ALLIANCEBERNSTEIN L.P. | 3.6M | $457.1M | -1.8% | 0.867% | 0.15% |
| 22 | GOLDMAN SACHS GROUP INC | 3.9M | $456.7M | +8.1% | 0.922% | 0.05% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.7M | $440.1M | +1.8% | 0.887% | 0.07% |
| 24 | JANUS HENDERSON GROUP PLC | 3.7M | $437.6M | -4.7% | 0.883% | 0.22% |
| 25 | Legal & General Group Plc | 3.7M | $431.6M | +2.7% | 0.871% | 0.10% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ZTS β a direct measure of their conviction.
Filings activity in ZTS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ZTS position in Q1 2026
Institutions that fully closed their ZTS position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 1,557 | 4.0% | 138.41% | 11.48 pp | $46.17B | 7.7% |
| Q4 2025 | 1,622 | 6.0% | 149.89% | 28.36 pp | $50.00B | 16% |
| Q3 2025 | 1,725 | 4.5% | 178.25% | 9.63 pp | $59.46B | 5.1% |
| Q2 2025 | 1,806 | 0.1% | 187.88% | 0.97 pp | $62.67B | 0.5% |
| Q1 2025 | 1,807 | +1.8% | 188.85% | 1.57 pp | $63.00B | 0.8% |
| Q4 2024 | 1,775 | +4.2% | 190.42% | 9.57 pp | $63.52B | 31% |
| Q3 2024 | 1,704 | +3.3% | 199.99% | +0.00 pp | $92.64B | +18% |
| Q2 2024 | 1,650 | β | 199.99% | β | $78.76B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 13, 2026 | Bisaro Paul | Buy | 2K | $75.88 | $152K |
| May 13, 2026 | DAMELIO FRANK A | Buy | 7K | $75.39 | $501K |
Quick answers to the most common questions about buying ZTS stock.
Based on Q1 2026 13F filings, institutional ownership of Zoetis Inc. stands at 138.4%, held across 1,557 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ZTS, with approximately 35,584,312 shares worth $4.21B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of ZTS.
Our composite Smart Money Score for ZTS is 17 out of 100 (Heavy Distribution). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
171 institutions opened new positions in ZTS during Q1 2026, while 236 fully exited. 403 added to existing positions and 977 trimmed.
ZTS institutional ownership fell by 11.48 percentage points quarter-over-quarter, with a net change of -65 holders.
The top 10 institutions account for 43.0% of all reported 13F value in ZTS, and the top 25 account for 59.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.