- Quarter end
- 30 Jun 2026
- the date the book describes
- Filed
- 27 Oct 2026
- latest of these filings; the earliest 31 Jul 2026
- Managers listing it
- 40
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q1 2026 and Q2 2026; 20 listed it in both
- Shares listed
- 45,254,803
- combined, among listed positions
- Reported value
- $3.3bn
- combined, at the quarter end
AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.
Among the 91 comparable managers: 27 buyers (opened or added shares) and 14 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +4,881,496.
Managers listing ZTS in Q2 2026
40 of 40 holders
Largest increases and reductions, by shares
Increases
- Citadel Advisors LLCexisting position · 3,188,263 shares now+2,687,252
- Jane Street Group LLCexisting position · 2,011,337 shares now+2,004,257
- Invesco Ltdexisting position · 5,523,018 shares now+1,982,050
- Voloridge Investment Management LLCexisting position · 2,416,056 shares now+1,562,993
- Arrowstreet Capital LPexisting position · 3,137,442 shares now+1,161,883
Reductions
- Polen Capital Management LLCexisting position · 320,420 shares now-3,902,656
- AllianceBernstein LPexisting position · 698,452 shares now-2,934,866
- Janus Henderson Group Ltdexisting position · 1,937,891 shares now-1,763,856
- Wellington Management Group LLPexisting position · 9,423,895 shares now-726,201
- Capital Research Global Investorsexisting position · 980,811 shares now-427,786
New positions and exits
New (5)
Exited (1)
- Freestone Grove Partners LPwas $1.1m
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q2 2013 | 21 | $2.9bn | n.a. | n.a. |
| Q3 2013 | 21 | $2.8bn | n.a. | n.a. |
| Q4 2013 | 17 | $2.8bn | n.a. | n.a. |
| Q1 2014 | 18 | $2.8bn | n.a. | n.a. |
| Q2 2014 | 15 | $3.2bn | n.a. | n.a. |
| Q3 2014 | 15 | $3.9bn | n.a. | n.a. |
| Q4 2014 | 24 | $5.2bn | n.a. | n.a. |
| Q1 2015 | 28 | $5.0bn | n.a. | n.a. |
| Q2 2015 | 27 | $5.1bn | n.a. | n.a. |
| Q3 2015 | 29 | $4.7bn | n.a. | n.a. |
| Q4 2015 | 24 | $5.5bn | n.a. | n.a. |
| Q1 2016 | 22 | $4.7bn | n.a. | n.a. |
| Q2 2016 | 20 | $4.7bn | n.a. | n.a. |
| Q3 2016 | 16 | $4.5bn | n.a. | n.a. |
| Q4 2016 | 17 | $4.6bn | n.a. | n.a. |
| Q1 2017 | 20 | $4.1bn | n.a. | n.a. |
| Q2 2017 | 19 | $5.0bn | n.a. | n.a. |
| Q3 2017 | 22 | $5.0bn | n.a. | n.a. |
| Q4 2017 | 17 | $5.2bn | n.a. | n.a. |
| Q1 2018 | 21 | $5.2bn | n.a. | n.a. |
| Q2 2018 | 25 | $5.5bn | n.a. | n.a. |
| Q3 2018 | 27 | $6.3bn | n.a. | n.a. |
| Q4 2018 | 31 | $6.6bn | n.a. | n.a. |
| Q1 2019 | 27 | $8.4bn | n.a. | n.a. |
| Q2 2019 | 30 | $8.9bn | n.a. | n.a. |
| Q3 2019 | 27 | $9.9bn | n.a. | n.a. |
| Q4 2019 | 25 | $10.5bn | n.a. | n.a. |
| Q1 2020 | 27 | $9.4bn | n.a. | n.a. |
| Q2 2020 | 23 | $10.8bn | n.a. | n.a. |
| Q3 2020 | 27 | $13.3bn | n.a. | n.a. |
| Q4 2020 | 25 | $13.7bn | n.a. | n.a. |
| Q1 2021 | 30 | $13.9bn | n.a. | n.a. |
| Q2 2021 | 28 | $15.8bn | n.a. | n.a. |
| Q3 2021 | 29 | $16.6bn | n.a. | n.a. |
| Q4 2021 | 29 | $21.1bn | n.a. | n.a. |
| Q1 2022 | 36 | $17.0bn | n.a. | n.a. |
| Q2 2022 | 37 | $15.4bn | n.a. | n.a. |
| Q3 2022 | 37 | $12.9bn | n.a. | n.a. |
| Q4 2022 | 30 | $12.0bn | n.a. | n.a. |
| Q1 2023 | 24 | $13.3bn | n.a. | n.a. |
| Q2 2023 | 26 | $13.3bn | n.a. | n.a. |
| Q3 2023 | 23 | $13.2bn | n.a. | n.a. |
| Q4 2023 | 19 | $14.5bn | 7 | 12 |
| Q1 2024 | 35 | $12.2bn | 25 | 11 |
| Q2 2024 | 24 | $10.1bn | 12 | 18 |
| Q3 2024 | 24 | $9.8bn | 13 | 11 |
| Q4 2024 | 27 | $7.7bn | 15 | 13 |
| Q1 2025 | 28 | $7.2bn | 17 | 10 |
| Q2 2025 | 26 | $6.0bn | 15 | 12 |
| Q3 2025 | 27 | $5.9bn | 20 | 7 |
| Q4 2025 | 21 | $5.1bn | 23 | 22 |
| Q1 2026 | 21 | $4.4bn | 13 | 26 |
| Q2 2026 | 23 | $2.7bn | 27 | 14 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
ZTS and LLY →ZTS and JNJ →ZTS and VRTX →Choose a stock to compare with ZTS →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own ZTS, latest filings →Back to the 13F Explorer →