L3VLUP
Quarter end
30 Jun 2025
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 7 Aug 2025
Managers listing it
26
at least, of 95 tracked, among listed positions
Comparable managers
95
filed both Q1 2025 and Q2 2025; 23 listed it in both
Shares listed
38,407,252
combined, among listed positions
Reported value
$6.0bn
combined, at the quarter end

Among the 95 comparable managers: 15 buyers (opened or added shares) and 12 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing ZTS in Q2 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

26 of 26 holders

ActionFiling
Wellington Management Group LLP8,889,680$1.4bn0.25%Added+2,824,30514 Aug 2025 (the filing on sec.gov)
Polen Capital Management LLC8,421,026$1.3bn4.03%Trimmed-375,82113 Aug 2025 (the filing on sec.gov)
AllianceBernstein LP3,745,037$584m0.19%Trimmed-7,111,35414 Aug 2025 (the filing on sec.gov)
Invesco Ltd3,223,761$503m0.09%Added+468,17313 Aug 2025 (the filing on sec.gov)
Janus Henderson Group Ltd2,140,346$334m0.16%Added+162,07014 Aug 2025 (the filing on sec.gov)
Neuberger Berman Group LLC1,751,133$273m0.21%Trimmed-53,04627 Oct 2026 (the filing on sec.gov)
Arrowstreet Capital LP1,470,742$229m0.16%Added+822,33413 Aug 2025 (the filing on sec.gov)
Capital Research Global Investors1,417,939$221munder 0.1%Added+3,23113 Aug 2025 (the filing on sec.gov)
AQR Capital Management LLC1,224,620$191m0.16%Added+608,23914 Aug 2025 (the filing on sec.gov)
Millennium Management LLC1,174,805$183m0.09%Added+630,37714 Aug 2025 (the filing on sec.gov)
T. Rowe Price Associates Inc975,171$152munder 0.1%Trimmed-489,64514 Aug 2025 (the filing on sec.gov)
D. E. Shaw & Co.767,644$120m0.08%Added+436,37514 Aug 2025 (the filing on sec.gov)
Artisan Partners LP743,302$116m0.17%Newnew12 Aug 2025 (the filing on sec.gov)
Capital World Investors695,387$108munder 0.1%Trimmed-3,275,06313 Aug 2025 (the filing on sec.gov)
Man Group PLC458,883$72m0.14%Trimmed-15,78614 Aug 2025 (the filing on sec.gov)
Squarepoint Ops LLC402,803$63m0.07%Trimmed-509,76027 Aug 2025 (the filing on sec.gov)
Acadian Asset Management LLC396,481$62m0.13%Added+286,0747 Aug 2025 (the filing on sec.gov)
Tudor Investment Corp342,815$53m0.12%Added+227,28814 Aug 2025 (the filing on sec.gov)
Bridgewater Associates LP64,025$10.0munder 0.1%Trimmed-80,00913 Aug 2025 (the filing on sec.gov)
Brevan Howard Capital Management LP29,525$4.6munder 0.1%Newnew14 Aug 2025 (the filing on sec.gov)
Quantbot Technologies LP27,709$4.3m0.11%Trimmed-25,55113 Aug 2025 (the filing on sec.gov)
PDT Partners LLC23,010$3.6m0.20%Added+9,00714 Aug 2025 (the filing on sec.gov)
GAMCO Investors Inc15,690$2.4munder 0.1%Added+3,90113 Aug 2025 (the filing on sec.gov)
Caxton Associates LLP2,813$439kunder 0.1%Trimmed-2,83415 Aug 2025 (the filing on sec.gov)
Dodge & Cox1,500$234kunder 0.1%Trimmed-20013 Aug 2025 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q1 2025 to Q2 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
24 in Q3 2024 to 23 in Q2 2026

Tracked managers listing it, at least.

0102030402014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
ZTS by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201321$2.9bnn.a.n.a.
Q3 201321$2.8bnn.a.n.a.
Q4 201317$2.8bnn.a.n.a.
Q1 201418$2.8bnn.a.n.a.
Q2 201415$3.2bnn.a.n.a.
Q3 201415$3.9bnn.a.n.a.
Q4 201424$5.2bnn.a.n.a.
Q1 201528$5.0bnn.a.n.a.
Q2 201527$5.1bnn.a.n.a.
Q3 201529$4.7bnn.a.n.a.
Q4 201524$5.5bnn.a.n.a.
Q1 201622$4.7bnn.a.n.a.
Q2 201620$4.7bnn.a.n.a.
Q3 201616$4.5bnn.a.n.a.
Q4 201617$4.6bnn.a.n.a.
Q1 201720$4.1bnn.a.n.a.
Q2 201719$5.0bnn.a.n.a.
Q3 201722$5.0bnn.a.n.a.
Q4 201717$5.2bnn.a.n.a.
Q1 201821$5.2bnn.a.n.a.
Q2 201825$5.5bnn.a.n.a.
Q3 201827$6.3bnn.a.n.a.
Q4 201831$6.6bnn.a.n.a.
Q1 201927$8.4bnn.a.n.a.
Q2 201930$8.9bnn.a.n.a.
Q3 201927$9.9bnn.a.n.a.
Q4 201925$10.5bnn.a.n.a.
Q1 202027$9.4bnn.a.n.a.
Q2 202023$10.8bnn.a.n.a.
Q3 202027$13.3bnn.a.n.a.
Q4 202025$13.7bnn.a.n.a.
Q1 202130$13.9bnn.a.n.a.
Q2 202128$15.8bnn.a.n.a.
Q3 202129$16.6bnn.a.n.a.
Q4 202129$21.1bnn.a.n.a.
Q1 202236$17.0bnn.a.n.a.
Q2 202237$15.4bnn.a.n.a.
Q3 202237$12.9bnn.a.n.a.
Q4 202230$12.0bnn.a.n.a.
Q1 202324$13.3bnn.a.n.a.
Q2 202326$13.3bnn.a.n.a.
Q3 202323$13.2bnn.a.n.a.
Q4 202319$14.5bn712
Q1 202435$12.2bn2511
Q2 202424$10.1bn1218
Q3 202424$9.8bn1311
Q4 202427$7.7bn1513
Q1 202528$7.2bn1710
Q2 202526$6.0bn1512
Q3 202527$5.9bn207
Q4 202521$5.1bn2322
Q1 202621$4.4bn1326
Q2 202623$2.7bn2714

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 →