Free Trial
→ Elon Social Security shock? (From Altimetry) (Ad) Free AMPH Stock Alerts

Amphastar Pharmaceuticals (AMPH) Institutional Ownership

Amphastar Pharmaceuticals logo
$31.30 +0.09 (+0.29%)
Closing price 02/20/2025 04:00 PM Eastern
Extended Trading
$31.50 +0.20 (+0.64%)
As of 02/20/2025 06:25 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Amphastar Pharmaceuticals (NASDAQ:AMPH)

Current
Institutional Ownership
Percentage
65.09%
Number of
Institutional Buyers
(last 12 months)
153
Total
Institutional Inflows
(last 12 months)
$342.08M
Number of
Institutional Sellers
(last 12 months)
93
Total
Institutional Outflows
(last 12 months)
$174.18M
Get AMPH Insider Trade Alerts

Want to know when executives and insiders are buying or selling Amphastar Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

AMPH Institutional Buying and Selling by Quarter

Amphastar Pharmaceuticals Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/19/2025 Invst LLC11,346$421K0.1%-21.2%0.024%
2/19/2025 GF Fund Management CO. LTD.1,010$38K0.0%N/A0.002%
2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC83,231$3.09M0.0%-85.6%0.173%
2/17/2025 Voloridge Investment Management LLC143,436$5.33M0.0%+16.2%0.298%
2/17/2025 Squarepoint Ops LLC17,664$656K0.0%+208.0%0.037%
2/17/2025 Twinbeech Capital LP46,797$1.74M0.0%N/A0.097%
2/17/2025 Two Sigma Advisers LP85,900$3.19M0.0%-12.6%0.179%
2/17/2025 Two Sigma Investments LP98,184$3.65M0.0%-0.6%0.204%
2/17/2025 Systematic Financial Management LP246,348$9.15M0.2%N/A0.512%
2/17/2025 Silvercrest Asset Management Group LLC166,814$6.19M0.0%-1.0%0.347%
2/17/2025 Point72 Asset Management L.P.9,200$342K0.0%-76.3%0.019%
2/17/2025 ProShare Advisors LLC13,852$514K0.0%+27.2%0.029%
2/17/2025 Man Group plc21,825$810K0.0%N/A0.045%
2/17/2025 Nuveen Asset Management LLC95,665$3.55M0.0%-54.0%0.199%
2/17/2025 Millennium Management LLC256,556$9.53M0.0%-1.2%0.534%
2/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.21,876$812K0.0%+3.8%0.045%
2/17/2025 Janus Henderson Group PLC189,347$7.03M0.0%+28.8%0.394%
2/17/2025 Gotham Asset Management LLC28,448$1.06M0.0%-20.4%0.059%
2/17/2025 Clark Capital Management Group Inc.148,075$5.50M0.0%-3.7%0.308%
2/17/2025 Deutsche Bank AG34,082$1.27M0.0%+46.6%0.071%
2/17/2025 D. E. Shaw & Co. Inc.118,851$4.41M0.0%+402.4%0.247%
2/17/2025 Centiva Capital LP9,803$364K0.0%+51.6%0.020%
2/17/2025 Brevan Howard Capital Management LP6,905$256K0.0%N/A0.014%
2/17/2025 BNP Paribas Financial Markets36,964$1.37M0.0%-60.9%0.077%
2/17/2025 Ameriprise Financial Inc.146,015$5.42M0.0%+1.0%0.304%
2/17/2025 Aristeia Capital L.L.C.43,235$1.61M0.1%N/A0.090%
2/14/2025 Jane Street Group LLC99,487$3.69M0.0%+23.0%0.207%
2/14/2025 Comerica Bank11,805$438K0.0%-25.8%0.025%
2/14/2025 PDT Partners LLC90,484$3.36M0.3%+11.5%0.188%
2/14/2025 Schonfeld Strategic Advisors LLC42,614$1.58M0.0%+343.6%0.089%
2/14/2025 Northern Trust Corp613,170$22.77M0.0%+5.1%1.275%
2/14/2025 The Manufacturers Life Insurance Company 21,257$789K0.0%-2.8%0.044%
2/14/2025 Aquatic Capital Management LLC7,036$261K0.0%N/A0.015%
2/14/2025 Oberweis Asset Management Inc.184,595$6.85M0.3%+14.5%0.384%
2/14/2025 Voya Investment Management LLC16,785$623K0.0%-2.5%0.035%
2/14/2025 Fuller & Thaler Asset Management Inc.1,132,926$42.07M0.2%-10.1%2.356%
2/14/2025 Price T Rowe Associates Inc. MD566,656$21.04M0.0%-0.4%1.179%
2/14/2025 Hsbc Holdings PLC8,991$330K0.0%+23.4%0.019%
2/14/2025 State of Tennessee Department of Treasury16,792$623K0.0%-15.4%0.035%
2/14/2025 Tower Research Capital LLC TRC 1,145$43K0.0%+43.7%0.002%
Texas approves new currency (Ad)

Rural Texas Town Ramps Up Global Currency War A small town has joined a radical $1.9 trillion attack on the global banking system... backed up by Elon Musk and the White House.

Read about it here.
2/14/2025 MetLife Investment Management LLC23,452$871K0.0%+3.7%0.049%
2/14/2025 Mesirow Institutional Investment Management Inc.380,389$14.12M1.1%-8.1%0.791%
2/14/2025 Dimensional Fund Advisors LP1,198,590$44.50M0.0%+9.6%2.493%
2/14/2025 First Trust Advisors LP81,129$3.01M0.0%+350.0%0.169%
2/14/2025 Epoch Investment Partners Inc.1,101,273$40.89M0.2%-7.5%2.291%
2/13/2025 CANADA LIFE ASSURANCE Co35,045$1.30M0.0%-5.1%0.073%
2/13/2025 Marshall Wace LLP608,706$22.60M0.0%+7.1%1.266%
2/13/2025 Portolan Capital Management LLC131,123$4.87M0.3%-60.0%0.273%
2/13/2025 Walleye Capital LLC8,666$322K0.0%N/A0.018%
2/13/2025 Barclays PLC84,790$3.15M0.0%+13.9%0.176%
2/13/2025 Granite Investment Partners LLC396,702$14.73M0.6%-2.2%0.825%
2/13/2025 LSV Asset Management36,400$1.35M0.0%-54.7%0.076%
2/13/2025 Bessemer Group Inc.488,630$18.14M0.0%+2.4%1.016%
2/13/2025 Raymond James Financial Inc.92,904$3.45M0.0%N/A0.193%
2/13/2025 Renaissance Group LLC99,572$3.70M0.2%+42.5%0.207%
2/13/2025 Renaissance Technologies LLC525,500$19.51M0.0%+7.4%1.093%
2/13/2025 Legal & General Group Plc103,741$3.85M0.0%-3.6%0.216%
2/13/2025 Bank of Montreal Can8,215$305K0.0%+4.6%0.017%
2/13/2025 Trek Financial LLC7,638$284K0.0%+15.4%0.016%
2/13/2025 Aster Capital Management DIFC Ltd2,869$107K0.0%N/A0.006%
2/13/2025 Federated Hermes Inc.823,487$30.58M0.1%-57.7%1.713%
2/13/2025 Envestnet Asset Management Inc.32,203$1.20M0.0%-7.1%0.067%
2/13/2025 Dynamic Technology Lab Private Ltd19,150$711K0.1%+309.0%0.040%
2/12/2025 Huntington National Bank1,340$50K0.0%+36.9%0.003%
2/12/2025 Trexquant Investment LP105,528$3.92M0.0%+18.2%0.219%
2/12/2025 Geode Capital Management LLC916,081$34.02M0.0%-0.5%1.905%
2/12/2025 Franklin Resources Inc.27,405$1.02M0.0%-3.7%0.057%
2/12/2025 Alliancebernstein L.P.50,630$1.88M0.0%+1.8%0.105%
2/12/2025 Wellington Management Group LLP17,784$660K0.0%-9.8%0.037%
2/12/2025 JPMorgan Chase & Co.153,571$5.70M0.0%-71.5%0.319%
2/11/2025 EntryPoint Capital LLC13,658$507K0.2%+46.7%0.028%
2/11/2025 Prudential Financial Inc.38,694$1.44M0.0%-1.6%0.080%
2/11/2025 Corebridge Financial Inc.20,449$759K0.0%-7.3%0.043%
2/11/2025 Vanguard Group Inc.2,714,628$100.79M0.0%+0.1%5.646%
2/11/2025 Bridge City Capital LLC70,095$2.60M0.7%-1.4%0.146%
2/11/2025 LPL Financial LLC20,366$756K0.0%+8.0%0.042%
2/11/2025 Fox Run Management L.L.C.18,526$688K0.1%N/A0.039%
2/11/2025 KLP Kapitalforvaltning AS7,400$275K0.0%N/A0.015%
2/11/2025 AXQ Capital LP6,621$246K0.1%N/A0.014%
2/11/2025 American Century Companies Inc.472,017$17.53M0.0%-26.2%0.982%
2/11/2025 Quantbot Technologies LP25,454$945K0.0%N/A0.053%
2/11/2025 TD Private Client Wealth LLC2,099$78K0.0%+22.7%0.004%
2/11/2025 Teacher Retirement System of Texas11,548$429K0.0%+17.7%0.024%
2/11/2025 Boston Partners426,636$15.78M0.0%N/A0.887%
2/11/2025 Intech Investment Management LLC42,156$1.57M0.0%+224.6%0.088%
2/10/2025 Thrivent Financial for Lutherans28,988$1.08M0.0%-2.8%0.060%
2/10/2025 Connor Clark & Lunn Investment Management Ltd.67,367$2.50M0.0%-19.5%0.140%
2/7/2025 Wealthfront Advisers LLC249,605$9.27M0.0%N/A0.519%
2/7/2025 Tiemann Investment Advisors LLC6,962$258K0.1%N/A0.014%
2/7/2025 AlphaQuest LLC4,862$181K0.0%-35.9%0.010%
Texas approves new currency (Ad)

Rural Texas Town Ramps Up Global Currency War A small town has joined a radical $1.9 trillion attack on the global banking system... backed up by Elon Musk and the White House.

Read about it here.
2/7/2025 Amundi19,583$717K0.0%+193.0%0.041%
2/7/2025 PNC Financial Services Group Inc.4,203$156K0.0%+90.1%0.009%
2/7/2025 Chatham Capital Group Inc.27,295$1.01M0.2%-1.4%0.057%
2/6/2025 Raymond James Financial Inc.92,904$3.45M0.0%N/A0.193%
2/6/2025 Assetmark Inc.41,921$1.56M0.0%-4.5%0.087%
2/6/2025 Victory Capital Management Inc.63,387$2.35M0.0%-71.0%0.132%
2/6/2025 Charles Schwab Investment Management Inc.347,512$12.90M0.0%-0.7%0.723%
2/5/2025 Smartleaf Asset Management LLC715$26K0.0%+222.1%0.001%
2/5/2025 US Bancorp DE848$31K0.0%-88.5%0.002%
2/5/2025 Illumine Investment Management LLC17,049$633K0.5%N/A0.035%
(Data available from 1/1/2016 forward)

AMPH Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AMPH shares?

During the previous two years, 282 institutional investors and hedge funds held shares of Amphastar Pharmaceuticals. The most heavily invested institutionals were Vanguard Group Inc. ($100.79M), State Street Corp ($74.27M), TD Asset Management Inc ($67.66M), Pacer Advisors Inc. ($50.14M), Dimensional Fund Advisors LP ($44.50M), Fuller & Thaler Asset Management Inc. ($42.07M), and Epoch Investment Partners Inc. ($40.89M).Learn more on AMPH's institutional investors.

What percentage of Amphastar Pharmaceuticals stock is owned by institutional investors?

65.09% of Amphastar Pharmaceuticals stock is owned by institutional investors. Learn more on AMPH's institutional investor holdings.

Which institutional investors have been buying Amphastar Pharmaceuticals stock?

Of the 238 institutional investors that purchased Amphastar Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: TD Asset Management Inc ($1.48M), Pacer Advisors Inc. ($1.35M), Epoch Investment Partners Inc. ($1.08M), Boston Trust Walden Corp ($978.92K), Granite Investment Partners LLC ($581.57K), Boston Partners ($426.64K), and Boone Capital Management LLC ($400K).

How much institutional buying is happening at Amphastar Pharmaceuticals?

Institutional investors have bought a total of 13,809,028 shares in the last 24 months. This purchase volume represents approximately $634.11M in transactions.

Which Amphastar Pharmaceuticals major shareholders have been selling company stock?

Of the 137 institutional investors that sold Amphastar Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Federated Hermes Inc. ($1.43M), Dimensional Fund Advisors LP ($662.15K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($493.21K), JPMorgan Chase & Co. ($385.35K), Portolan Capital Management LLC ($354.99K), LSV Asset Management ($281.20K), and Mesirow Institutional Investment Management Inc. ($278.51K).

How much institutional selling is happening at Amphastar Pharmaceuticals?

Institutional investors have sold a total of 7,099,905 shares in the last 24 months. This volume of shares sold represents approximately $319.95M in transactions.


Related Companies

This page (NASDAQ:AMPH) was last updated on 2/21/2025 by MarketBeat.com Staff
From Our Partners
Collect $7k per month from Tesla’s SECRET dividend
Tesla doesn't pay a traditional dividend.... But I just discovered a secret backdoor to collect a secret 69...
Investors Alley | Sponsored
Elon “obliterates” Bill Gates?
All 10 of the world's biggest money managers follow my work, and the Pentagon, the FBI and Harvard professors ...
Altimetry | Sponsored
NVDA Crash Update
An overseas AI rival sent shockwaves through the U.S. tech market last week... Leaving millions of investor...
Chaikin Analytics | Sponsored
$2 Trillion Disappears Because of Fed's Secretive New Move
$2 trillion has disappeared from the US government's books. The reason why is a new, secretive move being c...
Stansberry Research | Sponsored
Nvidia > DeepSeek
Everyone's getting it all wrong … Sure, DeepSeek's reveal caused AI stocks to tumble … But, in the long ...
Weiss Ratings | Sponsored
Is Starlink Set For The Largest IPO In History?
He turned PayPal from a tiny, off-the-radar startup… to a massive $64 billion giant. Then, he did it again ...
Paradigm Press | Sponsored
Better than Bitcoin – and potentially more profitable
The world is obsessed with Bitcoin again... And for a good reason: It just soared beyond $100,000. Bitcoin ...
Brownstone Research | Sponsored
Buy this AI Stock Before Elon’s Announcement
With Trump back in office, xAI is primed to become the leader in generative AI, leaving competitors in the dus...
InvestorPlace | Sponsored