S&CO Inc

SEC CIK: 0001082461
Latest filing: Aug 6, 2026

SEC filings (opens in a new tab)

PFE holding history

Pfizer Inc in every 13F filed by S&CO Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PFE overview All 13F holders of PFE Full Q2 2026 holdings

Shares (Q2 2026): 50,218
Value: $1.21M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of PFE by S&CO Inc, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	50,218	$1.21M	0.1%	00.0%	Unchanged	Holders
Q1 2026	50,218	$1.41M	0.1%	−3,270−6.1%	Reduced	Holders
Q4 2025	53,488	$1.33M	0.1%	−1,906−3.4%	Reduced	Holders
Q3 2025	55,394	$1.41M	0.1%	−2,255−3.9%	Reduced	Holders
Q2 2025	57,649	$1.40M	0.1%	−1,100−1.9%	Reduced	Holders
Q1 2025	58,749	$1.49M	0.1%	+47,049+402.1%	Added	Holders
Q4 2024	11,700	$310.0K	<0.1%	00.0%	Unchanged	Holders
Q3 2024	11,700	$338.0K	<0.1%	00.0%	Unchanged	Holders
Q2 2024	11,700	$327.0K	<0.1%	−18,998−61.9%	Reduced	Holders
Q1 2024	30,698	$851.0K	0.1%	−8,618−21.9%	Reduced	Holders
Q4 2023	39,316	$1.13M	0.1%	−3,500−8.2%	Reduced	Holders
Q3 2023	42,816	$1.42M	0.1%	+1,400+3.4%	Added	Holders
Q2 2023	41,416	$1.52M	0.1%	+8,487+25.8%	Added	Holders
Q1 2023	32,929	$1.34M	0.1%	−1,645−4.8%	Reduced	Holders
Q4 2022	34,574	$1.77M	0.2%	+304+0.9%	Added	Holders
Q3 2022	34,270	$1.50M	0.1%	+150+0.4%	Added	Holders
Q2 2022	34,120	$1.79M	0.2%	+400+1.2%	Added	Holders
Q1 2022	33,720	$1.75M	0.1%	00.0%	Unchanged	Holders
Q4 2021	33,720	$1.99M	0.1%	00.0%	Unchanged	Holders
Q3 2021	33,720	$1.45M	0.1%	+120+0.4%	Added	Holders
Q2 2021	33,600	$1.31M	0.1%	+210+0.6%	Added	Holders
Q1 2021	33,390	$1.21M	0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.