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Amphastar Pharmaceuticals, Inc. hedge fund holdings

AMPHNASDAQ
$25.43+0.08 (+0.32% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

AMPH · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-4.1%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 202511379$96.2M$90.6M226Aug 14, 2025
Q3 20258498$93.1M$97.5M224Nov 14, 2025
Q4 20258488$120M$69.8M224Feb 14, 2026
Q1 202664105$55.7M$100M204May 15, 2026
Q2 20267575$45.1M$81.1M198Aug 14, 2026

Quarterly action breakdown

Q2 2026
198 filers
New position
29
$5.94M+294K sh
Increased
46
$39.2M+1.94M sh
Reduced
51
-$53.8M-2.67M sh
Out / sold
24
-$27.3M-1.35M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Epoch Investment Partners, Inc.Sell 100%-$17.6M$00.00%Aug 13, 2026
Rice Hall James & Associates, LLCSell 100%-$3.67M$00.00%Aug 7, 2026
Voloridge Investment Management, LLCReduce 70.26%-$2.43M$1.03M0.00%Aug 14, 2026
Denali Advisors LLCAdded 41.09%+$2.21M$7.59M0.76%Aug 10, 2026
First Trust Advisors LPAdded 63.99%+$1.94M$4.98M0.00%Aug 11, 2026
Hussman Strategic Advisors, Inc.Sell 100%-$1.23M$00.00%Aug 3, 2026
Freestone Grove Partners LPSell 100%-$585K$00.00%Aug 14, 2026
Illumine Investment Management, LLCReduce 100.00%-$550K$594K0.39%Jul 29, 2026
Campbell & CO Investment Adviser LLCNew Buy+$468K$468K0.02%Aug 3, 2026
Quantinno Capital Management LPNew Buy+$420K$420K0.00%Aug 13, 2026
Pacer Advisors, Inc.Reduce 7.76%-$410K$4.87M0.01%Aug 13, 2026
Round Rock Advisors LLCSell 100%-$401K$00.00%Aug 12, 2026
Empowered Funds, LLCReduce 10.21%-$374K$3.29M0.02%Aug 17, 2026
nVerses Capital, LLCSell 100%-$346K$00.00%Aug 4, 2026
Systematic Financial Management LPReduce 3.43%-$313K$8.83M0.18%Aug 14, 2026
Assetmark, IncAdded 27.64%+$300K$1.38M0.00%Jul 30, 2026
Fox Run Management, L.L.C.New Buy+$294K$294K0.05%Aug 4, 2026
Jain Global LLCNew Buy+$286K$286K0.00%Aug 14, 2026
Quantedge Capital Pte LtdSell 100%-$264K$00.00%Aug 6, 2026
MML Investors Services, LLCSell 100%-$242K$00.00%Aug 7, 2026
Allstate CorpNew Buy+$229K$229K0.00%Aug 13, 2026
PDT Partners, LLCSell 100%-$224K$00.00%Aug 14, 2026
Vident Advisory, LLCAdded 47.23%+$222K$691K0.01%Aug 12, 2026
Significant Wealth Partners LLCNew Buy+$210K$210K0.23%Jul 14, 2026
Gotham Asset Management, LLCNew Buy+$205K$205K0.00%Aug 14, 2026
Public Sector Pension Investment BoardReduce 7.84%-$200K$2.35M0.01%Aug 13, 2026
LSV Asset ManagementReduce 1.49%-$196K$13M0.02%Aug 6, 2026
Vestcor IncReduce 47.55%-$105K$116K0.00%Aug 11, 2026
Canada Pension Plan Investment BoardReduce 29.45%-$96.9K$232K0.00%Aug 14, 2026
Exchange Traded Concepts, LLCAdded 5.63%+$93.6K$1.76M0.01%Aug 11, 2026
Bridge City Capital, LLCAdded 1.08%+$72.7K$6.84M1.56%Aug 11, 2026
CANADA LIFE ASSURANCE CoReduce 11.35%-$69.3K$541K0.00%Aug 13, 2026
New Age Alpha Advisors, LLCNew Buy+$63.5K$63.5K0.00%Aug 13, 2026
Nordea Investment Management ABAdded 2.51%+$62.6K$2.56M0.00%Aug 5, 2026
State of New Jersey Common Pension Fund DReduce 16.91%-$42.9K$211K0.00%Aug 4, 2026
Illinois Municipal Retirement FundReduce 10.63%-$41.9K$352K0.00%Aug 12, 2026
Fulcrum Asset Management LLPNew Buy+$36.2K$36.2K0.00%Aug 18, 2026
CX InstitutionalReduce 57.65%-$34K$25K0.00%Jul 2, 2026
Profund Advisors LLCAdded 12.73%+$27.4K$242K0.01%Aug 11, 2026
Thrivent Financial for LutheransReduce 5.60%-$26.7K$450K0.00%Aug 14, 2026
China Universal Asset Management Co., Ltd.Reduce 12.84%-$20.9K$142K0.01%Jul 24, 2026
State of Alaska, Department of RevenueReduce 3.56%-$19.6K$531K0.01%Jul 20, 2026
Pinnacle Wealth Planning Services, Inc.Added 311.66%+$17.8K$23.5K0.00%Aug 7, 2026
Bessemer Group IncReduce 0.57%-$14.1K$2.45M0.00%Aug 12, 2026
Huntington National BankNew Buy+$10.6K$10.6K0.00%Aug 13, 2026
Oregon Public Employees Retirement FundReduce 3.73%-$6.05K$156K0.00%Jul 29, 2026
Aster Capital Management (DIFC) LtdNew Buy+$4.8K$4.8K0.00%Aug 14, 2026
SteelPeak Wealth, LLCAdded 0.46%+$4.48K$982K0.03%Jul 13, 2026
MassMutual Private Wealth & Trust, FSBAdded 93.30%+$4.22K$8.74K0.00%Jul 2, 2026
Twin Peaks Wealth Advisors, LLCSell 100%-$3.47K$00.00%Aug 13, 2026
UMB Bank, n.a.Added 62.22%+$2.26K$5.89K0.00%Aug 13, 2026
1620 Investment Advisors, Inc.Reduce 14.35%-$2.08K$12.4K0.01%Jul 14, 2026
Bank of New HampshireReduce 46.60%-$1.94K$2.22K0.00%Jul 14, 2026
Truvestments Capital LLCSell 100%-$1.88K$00.00%Aug 12, 2026
Salomon & Ludwin, LLCNew Buy+$1.63K$1.63K0.00%Aug 7, 2026
Zions Bancorporation, National AssociationNew Buy+$747$7470.00%Jul 31, 2026
Keating Financial Advisory Services, Inc.New Buy+$565$5650.00%Aug 11, 2026
Picton Mahoney Asset ManagementSell 100%-$470$00.00%Aug 13, 2026
Sound Income Strategies, LLCSell 100%-$466$00.00%Jul 20, 2026
Bare Financial Services, IncReduce 50.00%-$464$4640.00%Jul 27, 2026
Legacy Wealth Managment, LLCSell 100%-$412$00.00%Aug 13, 2026
Continuum Advisory, LLCNew Buy+$343$3430.00%Aug 6, 2026
Owl Creek Wealth Partners LLCSell 100%-$196$00.00%Jul 20, 2026
JFS Wealth Advisors, LLCNew Buy+$122$1220.00%Jul 10, 2026
Gilpin Wealth Management, LLCAdded 60.00%+$61$1620.00%Jul 24, 2026
Advisory Research IncAdded 0.01%+$40$511K0.05%Aug 13, 2026
Davis Capital ManagementNew Buy+$40$400.00%Jul 16, 2026
Cedar Mountain Advisors, LLCSell 100%-$20$00.00%Jul 2, 2026
Hughes Financial Services, LLCNew Buy+$20$200.00%Jul 20, 2026

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