Marshall Wace, LLP

SEC CIK: 0001318757
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

AMGN holding history

Amgen Inc in every 13F filed by Marshall Wace, LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 99,402
Value: $36.0M
% of portfolio: <0.1%
Quarters held: 20; Since Q1 2021

Holdings of AMGN by Marshall Wace, LLP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	99,402	$36.0M	<0.1%	−217,515−68.6%	Reduced	Holders
Q1 2026	316,917	$111.5M	0.1%	+218,065+220.6%	Added	Holders
Q4 2025	98,852	$32.4M	<0.1%	+98,852	New	Holders
Q2 2025	0	$0	0.0%	−178,257−100.0%	Sold out	Holders
Q1 2025	178,257	$55.5M	0.1%	+172,186+2,836.2%	Added	Holders
Q4 2024	6,071	$1.58M	<0.1%	−699,040−99.1%	Reduced	Holders
Q3 2024	705,111	$227.2M	0.3%	+48,613+7.4%	Added	Holders
Q2 2024	656,498	$205.1M	0.3%	+173,058+35.8%	Added	Holders
Q1 2024	483,440	$137.5M	0.2%	+346,399+252.8%	Added	Holders
Q4 2023	137,041	$39.5M	0.1%	−1,411,187−91.1%	Reduced	Holders
Q3 2023	1,548,228	$416.1M	0.9%	+1,332,231+616.8%	Added	Holders
Q2 2023	215,997	$48.0M	0.1%	+72,266+50.3%	Added	Holders
Q1 2023	143,731	$34.7M	0.1%	+84,380+142.2%	Added	Holders
Q4 2022	59,351	$15.6M	<0.1%	−20,213−25.4%	Reduced	Holders
Q3 2022	79,564	$17.9M	<0.1%	−178,664−69.2%	Reduced	Holders
Q2 2022	258,228	$62.8M	0.1%	−61,702−19.3%	Reduced	Holders
Q1 2022	319,930	$77.4M	0.2%	+215,015+204.9%	Added	Holders
Q4 2021	104,915	$23.6M	<0.1%	+102,066+3,582.5%	Added	Holders
Q3 2021	2,849	$606.0K	<0.1%	−40,020−93.4%	Reduced	Holders
Q2 2021	42,869	$10.4M	0.1%	−19,556−31.3%	Reduced	Holders
Q1 2021	62,425	$15.5M	0.1%	–	–	Holders

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