S&CO INC

Position in ZTS — Zoetis Inc.

CIK 1082461 BOSTON, MA

Position in ZTS

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$521,306

-$85,649 QoQ

Shares Held

4,410

-8.6% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

S&CO INC holds $12,761,225 across 4 Drug Manufacturers - Specialty & Generic names. ZTS ranks #4 (4.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALKS	Alkermes plc.	244,760	$8,654,713
2	ELAN	Elanco Animal Health Inc	111,284	$2,663,026
3	NBIX	Neurocrine Biosciences Inc	7,000	$922,180
4	ZTS	Zoetis Inc. This page	4,410	$521,306

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$521,306	4,410	-8.6%	Shares	Sole	2026-05-07
2025-12-31	$606,955	4,824	-42.0%	Shares	Sole	2026-02-05
2025-09-30	$1,216,797	8,316	-14.2%	Shares	Sole	2025-11-06
2025-06-30	$1,512,091	9,696	-14.7%	Shares	Sole	2025-08-07
2025-03-31	$1,872,070	11,370	0.0%	Shares	Sole	2025-05-08
2024-12-31	$1,852,514	11,370	0.0%	Shares	Sole	2025-02-07
2024-09-30	$2,221,470	11,370	0.0%	Shares	Sole	2024-11-07
2024-06-30	$1,971,103	11,370	-0.6%	Shares	Sole	2024-08-08
2024-03-31	$1,935,762	11,440	-1.9%	Shares	Sole	2024-05-09
2023-12-31	$2,302,321	11,665	0.0%	Shares	Sole	2024-02-12
2023-09-30	$2,029,476	11,665	0.0%	Shares	Sole	2023-11-09
2023-06-30	$2,008,829	11,665	0.0%	Shares	Sole	2023-08-08
2023-03-31	$1,941,522	11,665	0.0%	Shares	Sole	2023-05-09
2022-12-31	$1,709,505	11,665	0.0%	Shares	Sole	2023-02-07
2022-09-30	$1,729,802	11,665	0.0%	Shares	Sole	2022-11-09
2022-06-30	$2,005,096	11,665	-0.1%	Shares	Sole	2022-08-09
2022-03-31	$2,201,788	11,675	0.0%	Shares	Sole	2022-05-05
2021-12-31	$2,849,050	11,675	-7.9%	Shares	Sole	2022-02-08
2021-09-30	$2,459,753	12,670	0.0%	Shares	Sole	2021-11-09
2021-06-30	$2,361,181	12,670	-8.5%	Shares	Sole	2021-07-14
2021-03-31	$2,179,523	13,840	0.0%	Shares	Sole	2021-04-23
2020-12-31	$2,290,520	13,840	-6.2%	Shares	Sole	2021-01-28
2020-09-30	$2,438,711	14,747	+3.5%	Shares	Sole	2020-12-11
2020-06-30	$1,952,408	14,247	0.0%	Shares	Sole	2020-12-16
2020-03-31	$1,676,729	14,247	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.