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Amphastar Pharmaceuticals
AMPH

279 hedge funds and large institutions have $1.72B invested in Amphastar Pharmaceuticals in 2024 Q3 according to their latest regulatory filings, with 43 funds opening new positions, 99 increasing their positions, 93 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

248% more call options, than puts

Call options by funds: $3.91M | Put options by funds: $1.12M

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

34% more first-time investments, than exits

New positions opened: 43 | Existing positions closed: 32

25% more capital invested

Capital invested by funds: $1.37B → $1.72B (+$343M)

4% more funds holding

Funds holding: 268 → 279 (+11)

2.53% more ownership

Funds ownership: 70.26% → 72.79% (+2.5%)

6% more repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 93

Holders
279
Holders Change
+11
Holders Change %
+4.1%
% of All Funds
4.01%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
43
Increased
99
Reduced
93
Closed
32
Calls
$3.91M
Puts
$1.12M
Net Calls
+$2.79M
Net Calls Change
+$2.61M

Top Buyers

1
BTW
Boston Trust Walden
Massachusetts
+$23.7M
2
TD Asset Management
TD Asset Management
Ontario, Canada
+$19.5M
3
Marshall Wace
Marshall Wace
United Kingdom
+$15M
4
Goldman Sachs
Goldman Sachs
New York
+$13M
5
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management
California
+$9.77M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$21M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
-$8.65M
3
BCM
Boone Capital Management
Georgia
-$7.83M
4
Citadel Advisors
Citadel Advisors
Florida
-$5.61M
5
Invesco
Invesco
Georgia
-$5.18M
Name Holding Trade Value Shares
Change 		Change in
Stake
IC
301
Innealta Capital
Texas
– -$54.8K -1,371 Closed
Simplex Trading
302
Simplex Trading
Illinois
– -$35.8K -815 Closed
Group One Trading
303
Group One Trading
Illinois
– -$35.7K -814 Closed
ACM
304
ADAR1 Capital Management
Texas
– -$28K -700 Closed
PHK
305
Point72 Hong Kong
Hong Kong
– -$16K -401 Closed
TCPG
306
Trivant Custom Portfolio Group
California
– -$8K -200 Closed
QL
307
Quarry LP
New York
– -$7.28K -182 Closed
NS
308
NBC Securities
Alabama
– -$6K -165 Closed
KFS
309
Kelly Financial Services
Massachusetts
– -$6K -150 Closed
CJ
310
Caitlin John
Michigan
– -$2.16K -54 Closed
FHA
311
First Horizon Advisors
Tennessee
– -$1.44K -36 Closed
9 10 11 12
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