1620 INVESTMENT ADVISORS, INC.

Position in AMPH — Amphastar Pharmaceuticals, Inc.

CIK 1907281 PLYMOUTH, MA

Position in AMPH

as of Jun 30, 2026 · filed Jul 14, 2026 Compact

Position Value

$12,410

-$1,655 QoQ

Shares Held

615

-14.3% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#156

of 208 holders

Holding Since

Jun 2024

9 quarters on record

Voting authority Sole 50% Shared 0% None 50%

Healthcare · as of Jun 30, 2026

1620 INVESTMENT ADVISORS, INC. holds $895,573 across 9 Drug Manufacturers - Specialty & Generic names. AMPH ranks #8 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VTRS	Viatris Inc	24,191	$384,153
2	UTHR	UNITED THERAPEUTICS Corp	356	$192,891
3	NBIX	Neurocrine Biosciences Inc	997	$168,034
4	TEVA	Teva Pharmaceutical Industries Ltd	1,577	$53,428
5	LNTH	Lantheus Holdings, Inc.	407	$45,152
6	PCRX	Pacira BioSciences, Inc.	834	$21,158
7	PAHC	Phibro Animal Health Corp	550	$17,270
8	AMPH	Amphastar Pharmaceuticals, Inc. This page	615	$12,410

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$12,410	615	-14.3%	Shares	Sole	2026-07-14
2026-03-31	$14,065	718	0.0%	Shares	Sole	2026-05-13
2025-12-31	$19,228	718	+5.3%	Shares	Sole	2026-02-05
2025-09-30	$18,175	682	0.0%	Shares	Sole	2025-10-07
2025-06-30	$15,658	682	-70.0%	Shares	Sole	2025-08-07
2025-03-31	$66,010	2,277	-0.5%	Shares	Sole	2025-05-14
2024-12-31	$84,953	2,288	-3.3%	Shares	Sole	2025-02-11
2024-09-30	$114,869	2,367	+2.1%	Shares	Sole	2024-10-25
2024-06-30	$92,720	2,318	—	Shares	Sole	2024-07-23
No filing history on record for this holder in this stock.