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Amphastar Pharmaceuticals
AMPH

168 hedge funds and large institutions have $678M invested in Amphastar Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 62 increasing their positions, 48 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

443% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 7

29% more repeat investments, than reductions

Existing positions increased: 62 | Existing positions reduced: 48

28% more capital invested

Capital invested by funds: $530M → $678M (+$148M)

21% more funds holding

Funds holding: 139 → 168 (+29)

2.81% more ownership

Funds ownership: 58.15% → 60.96% (+2.8%)

Holders
168
Holders Change
+29
Holders Change %
+20.86%
% of All Funds
2.59%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
38
Increased
62
Reduced
48
Closed
7
Calls
$291K
Puts
–
Net Calls
+$291K
Net Calls Change
+$291K

Top Buyers

1
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$7.15M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$4.45M
3
Citadel Advisors
Citadel Advisors
Florida
+$4.37M
4
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
+$4.3M
5
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$2.17M

Top Sellers

1
Wells Fargo
Wells Fargo
California
-$4.97M
2
Millennium Management
Millennium Management
New York
-$2.53M
3
Norges Bank
Norges Bank
Norway
-$1.65M
4
JP Morgan Chase
JP Morgan Chase
New York
-$1.29M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$1.11M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$167M -$346K -16,916 -0.2%
Federated Hermes
2
Federated Hermes
Pennsylvania
$80.7M -$14.1K -690 -0%
Vanguard Group
3
Vanguard Group
Pennsylvania
$57.5M -$1.11M -54,513 -2%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$41.2M +$530K +25,936 +1%
State Street
5
State Street
Massachusetts
$33.5M -$432K -21,128 -1%
Janus Henderson Group
6
Janus Henderson Group
United Kingdom
$22.7M +$54K +2,642 +0.3%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$16.6M +$224K +10,958 +2%
Invesco
8
Invesco
Georgia
$16.2M -$356K -17,430 -2%
Morgan Stanley
9
Morgan Stanley
New York
$14.4M +$2.07M +101,307 +20%
Fuller & Thaler Asset Management
10
Fuller & Thaler Asset Management
California
$14.2M +$4.3M +210,362 +52%
Goldman Sachs
11
Goldman Sachs
New York
$13.7M +$278K +13,592 +2%
Assenagon Asset Management
12
Assenagon Asset Management
Luxembourg
$12.3M +$7.15M +349,875 +197%
Northern Trust
13
Northern Trust
Illinois
$9.83M -$29.3K -1,434 -0.3%
Arrowstreet Capital
14
Arrowstreet Capital
Massachusetts
$9.69M +$4.45M +217,577 +110%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$8.64M +$142K +6,943 +2%
SAM
16
Silvercrest Asset Management
New York
$8.59M – – –
N
17
Nuveen
North Carolina
$8.26M +$188K +9,175 +2%
Renaissance Technologies
18
Renaissance Technologies
New York
$6.75M +$288K +14,100 +5%
Principal Financial Group
19
Principal Financial Group
Iowa
$6.54M +$588K +28,772 +11%
Nordea Investment Management
20
Nordea Investment Management
Sweden
$6.45M -$89.2K -4,362 -2%
Charles Schwab
21
Charles Schwab
California
$6.08M +$167K +8,168 +3%
FCM
22
Frontier Capital Management
Massachusetts
$5.87M -$73.7K -3,605 -1%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$5.87M +$5.15M +251,961 New
EAM
24
Eagle Asset Management
Florida
$5.82M -$675K -33,002 -12%
Citadel Advisors
25
Citadel Advisors
Florida
$4.97M +$4.37M +213,522 New
1
2 3 4 5

AMPH Hedge Fund Activity: Q4 2021 in Review

168 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Amphastar Pharmaceuticals (AMPH) for Q4 2021, worth a combined $678M — up 28% from $530M a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new AMPH positions and 7 closed out — a net gain of 31 holders — while 62 added to existing stakes and 48 trimmed.

The largest buyer was Assenagon Asset Management, adding an estimated $7.15M. The largest seller was Wells Fargo, cutting an estimated $4.97M.

  • 168 institutional investors held Amphastar Pharmaceuticals (AMPH) as of Q4 2021, up from 139 in Q3 2021.
  • Funds reported $678M of Amphastar Pharmaceuticals stock for Q4 2021, up 28% quarter-over-quarter.
  • 38 funds opened new Amphastar Pharmaceuticals positions in Q4 2021 and 7 closed out, a net change of +31 holders.
  • The largest Amphastar Pharmaceuticals buyer in Q4 2021 was Assenagon Asset Management, an estimated $7.15M added.
  • The largest Amphastar Pharmaceuticals seller in Q4 2021 was Wells Fargo, an estimated $4.97M sold.

Based on aggregated 13F filings for Q4 2021.