AMPHASTAR PHARMACEUTICALS IN

Watch

Share

AMPH·03209R103·US·Common Stock·Healthcare - Drug Manufacturers - Specialty & Generic-13D/G

AMPH (AMPHASTAR PHARMACEUTICALS IN) is held by 110 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($105.4M), DIMENSIONAL FUND ADVISORS LP ($46.5M), STATE STREET CORP ($33.1M). Net institutional sentiment: Mixed.

110

Holders

(8 Elite)

$507M

Total Value

42% (111)

Consensus

47 buying - 64 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Loading verdict

Institutional (13F)65

Insider (Form 4)53

Activist (13D/13G)46

Congressional (STOCK Act)44

Holder Quality

69

★★★★★

Elite

41

★★★★

Strong

77

★★★

Solid

35

★★

Below

42

★

Weak

Held by 110 funds

8 elite

Who's Trading

Source dates: Price Oct 13, 2026 · Insiders Sep 23, 2026 · Activists Jul 14, 2026 · Congress none

InsiderPJPETERS WILLIAM JSell $103KSep 21, 2026

InsiderZRZhou RongExercise 10K shSep 16, 2026

InsiderZRZhou RongSell $239KSep 16, 2026

Checking access…

View all insider tradesView all activist filings

Top Holders

Top Holders (110)History

AllNewIncreasedHeldDecreasedExitedFirst report

Checking access…

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	5.2M(-3.6%)	$105.4M	0.0%	-27.28%	0
DIMENSIONAL FUND ADVISORS LP	Increased	2.3M(+13.7%)	$46.5M	0.0%	+15.56%	33
STATE STREET CORP	Increased	1.6M(+2.1%)	$33.1M	0.0%	+7.42%	29
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	1.5M(-4.0%)	$29.9M	0.0%	+34.95%	0
AMERICAN CENTURY COMPANIES INC	Increased	1.2M(+15.6%)	$23.7M	0.0%	-2.77%	33
MWMARSHALL WACE, LLP	Increased	1.1M(+4.0%)	$21.5M	0.0%	-20.96%	30
GEODE CAPITAL MANAGEMENT, LLC	Decreased	969,840(-0.7%)	$19.6M	0.0%	+5.84%	0
FULLER & THALER ASSET MANAGEMENT, INC.	Decreased	949,238(-32.0%)	$19.2M	0.1%	-16.35%	0
DED. E. Shaw & Co., Inc.	Increased	887,048(+33.3%)	$17.9M	0.0%	+13.26%	36
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	809,568(+2.8%)	$16.3M	0.0%	+34.88%	29
RENAISSANCE TECHNOLOGIES LLC	Decreased	525,100(-5.2%)	$10.6M	0.0%	-11.45%	0
GOLDMAN SACHS GROUP INC	Increased	505,360(+53.4%)	$10.2M	0.0%	-10.28%	39
MORGAN STANLEY	Increased	434,840(+3.5%)	$8.8M	0.0%	-25.34%	29
UBS Group AG	Decreased	393,110(-6.5%)	$7.9M	0.0%	+1.05%	0
HRT FINANCIAL LP	Increased	387,530(+589.8%)	$7.8M	0.0%	+32.94%	44
NORTHERN TRUST CORP	Decreased	370,991(-0.3%)	$7.5M	0.0%	-6.66%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	310,178(-3.4%)	$6.3M	0.0%	-1.28%	0
ROYCE & ASSOCIATES LP	Decreased	294,758(-27.4%)	$5.9M	0.0%	-0.11%	0
TWO SIGMA INVESTMENTS, LP	Increased	248,115(+79.6%)	$5M	0.0%	-6.38%	41
FIRST TRUST ADVISORS LP	Increased	246,951(+64.0%)	$5M	0.0%	+12.94%	39

Showing 1-20 of 125

Per page:

1 / 7

AMPHAMPHASTAR PHARMACEUTICALS IN

1M3M6M1Y3Y5Y

Continue exploring

Smart money flow

Track where institutional capital is flowing

Discover new institutional entries

Fresh positions initiated this quarter

Check sector trends

Capital flows across GICS sectors

Other Healthcare stocks held by institutions

UNHUNITEDHEALTH GROUP INC

417 holders · $300.5B

LLYELI LILLY & CO

416 holders · $881.6B

TMOTHERMO FISHER SCIENTIFIC INC

401 holders · $151.5B

JNJJOHNSON & JOHNSON

398 holders · $415.6B

DHRDANAHER CORP DEL

395 holders · $98.9B

ISRGINTUITIVE SURGICAL INC

394 holders · $111.8B

MRKMERCK & CO INC

391 holders · $230.3B

ABBVABBVIE INC

386 holders · $303.9B

BSXBOSTON SCIENTIFIC CORP

386 holders · $52.4B

ABTABBOTT LABORATORIES

383 holders · $114.2B

High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer