Gagnon Securities LLC

SEC CIK: 0001125725
Latest filing: Aug 4, 2026

SEC filings (opens in a new tab)

PFE holding history

Pfizer Inc in every 13F filed by Gagnon Securities LLC, 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): 23,346
Value: $562.2K
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of PFE by Gagnon Securities LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	23,346	$562.2K	0.1%	−20,914−47.3%	Reduced	Holders
Q1 2026	44,260	$1.24M	0.3%	−93−0.2%	Reduced	Holders
Q4 2025	44,353	$1.10M	0.2%	+1,193+2.8%	Added	Holders
Q3 2025	43,160	$1.10M	0.2%	−63−0.1%	Reduced	Holders
Q2 2025	43,223	$1.05M	0.2%	+3,432+8.6%	Added	Holders
Q1 2025	39,791	$1.01M	0.2%	+4,315+12.2%	Added	Holders
Q4 2024	35,476	$941.2K	0.2%	−1,766−4.7%	Reduced	Holders
Q3 2024	37,242	$1.08M	0.2%	−366−1.0%	Reduced	Holders
Q2 2024	37,608	$1.05M	0.2%	−768−2.0%	Reduced	Holders
Q1 2024	38,376	$1.06M	0.3%	+2,454+6.8%	Added	Holders
Q4 2023	35,922	$1.03M	0.2%	+4,918+15.9%	Added	Holders
Q3 2023	31,004	$1.03M	0.3%	−3,144−9.2%	Reduced	Holders
Q2 2023	34,148	$1.25M	0.3%	+3,612+11.8%	Added	Holders
Q1 2023	30,536	$1.25M	0.3%	+4,617+17.8%	Added	Holders
Q4 2022	25,919	$1.33M	0.3%	−4,120−13.7%	Reduced	Holders
Q3 2022	30,039	$1.31M	0.3%	−3,393−10.1%	Reduced	Holders
Q2 2022	33,432	$1.75M	0.4%	−950−2.8%	Reduced	Holders
Q1 2022	34,382	$1.78M	0.3%	+425+1.3%	Added	Holders
Q4 2021	33,957	$2.00M	0.3%	00.0%	Unchanged	Holders
Q3 2021	33,957	$1.46M	0.2%	00.0%	Unchanged	Holders
Q2 2021	33,957	$1.33M	0.2%	−225−0.7%	Reduced	Holders
Q1 2021	34,182	$1.24M	0.2%	–	–	Holders

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