Amphastar Pharmaceuticals Inc. (AMPH)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
Oaktree Capital ManagementCONVERTIBLE BOND

Howard Marks

43,578,000 $40,401,163 +145% 0.57%
2.
Marshall Wace LLP

Paul Marshall And Ian Wace

1,237,284 $33,134,466 +42% 0.03%
3.
Empyrean Capital PartnersNOTE 2.000% 3/1

Michael A. Price And Amos Meron

16,265,000 $14,994,297 +9% 0.52%
4.
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

559,426 $14,981,428 +43% 0.01%
5.
D E Shaw

D. E. Shaw

557,066 $14,918,227 +8% 0.01%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$20.26 1,000 $20,260.00 13,151 2020-08-14 Filing
$16.06 15,000 $240,853.50 2,080,619 2018-05-16 Filing
$16.08 25,000 $401,970.00 2,065,619 2018-05-15 Filing
$10.84 6,000 $65,022.00 101,215 2014-08-25 Filing
$10.00 3,500 $34,999.65 17,639 2014-08-19 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$26.20 9,787 $256,379.27 138,043 2025-12-17 Filing
$25.92 2,426 $62,888.23 71,368 2025-12-12 Filing
$25.69 1,737 $44,620.06 73,794 2025-12-11 Filing
$27.10 4,179 $113,253.41 35,183 2025-11-25 Filing
$26.49 16,679 $441,836.72 75,531 2025-11-13 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 5,462,015 $146,272,762 0%
2. 93,574,000 $86,579,656 0.53%
3. 2,608,158 $69,846,471 0%
4. 1,963,052 $52,570,533 0.04%
5. 1,799,685 $48,196,126 0.01%
News See All