Hudson Bay Capital Management LP

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-14
Total Holdings: 979
Total Value: 16481120991
Accession Number: 0001393825-25-000010
Form Type: 13F-HR
CIK: 0001393825
Manager Name: Hudson Bay Capital Management LP

Data Enrichment

79% identified

773 identified206 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

979 positions • $16,481,120.991K total value

979 positions

Manager:

SEC FilingSEC DataHachi Filing

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Gossamer Bio, Inc.

GOSS|38341P102

36900

Value:

$40.6M

aTYR PHARMA INC

ATYR|002120202

13320

Value:

$40.2M

UNITED STATES ANTIMONY CORP

UAMY|911549103

18140

Value:

$39.9M

G0135E126

501000(+0.0%)

Value:

$38.9M(+1010.0%)

Amylyx Pharmaceuticals, Inc.

AMLX|03237H101

10340

Value:

$36.6M

G32901129

202500

Value:

$36.5M

Bayview Acquisition Corp

BAYAR|07323B118

175000(+0.0%)

Value:

$32.8M(+44.2%)

42600H116

213061(-27.8%)

Value:

$32.0M(-10.6%)

Protalix BioTherapeutics, Inc.

PLX|74365A309

12000

Value:

$30.7M

Expensify, Inc.

EXFY|30219Q106

10050

Value:

$30.6M

67091J602

1500000(+3091.5%)

Value:

$29.7M(-57.9%)

12664M111

290000

Value:

$29.4M

SANGAMO THERAPEUTICS, INC

SGMO|800677106

42370

Value:

$27.8M

G0544A145

200000

Value:

$27.7M

RICHTECH ROBOTICS INC.

RR|765504105

13460

Value:

$26.7M

60938K114

100000(+0.0%)

Value:

$26.5M(+45.0%)

98741Y111

471180(+0.0%)

Value:

$25.8M(-5.7%)

74841A113

14090(+0.0%)

Value:

$23.2M(+17.9%)

Vuzix Corp

VUZI|92921W300

11000

Value:

$22.4M

SELLAS Life Sciences Group, Inc.

SLS|81642T209

20660

Value:

$22.3M

Instrument	Shares		Other Manager	Value
Gossamer Bio, Inc.(GOSScusip38341P102)	36.9K	QoQ NEW(+36.9K) YoY NEW(+36.9K)	All Managers (Combined)	$40.6K	QoQ NEW(+$40.6K) YoY NEW(+$40.6K)
Atyr Pharma Inc(ATYRcusip002120202)	13.3K	QoQ NEW(+13.3K) YoY NEW(+13.3K)	All Managers (Combined)	$40.2K	QoQ NEW(+$40.2K) YoY NEW(+$40.2K)
United States Antimony Corp(UAMYcusip911549103)	18.1K	QoQ NEW(+18.1K) YoY NEW(+18.1K)	All Managers (Combined)	$39.9K	QoQ NEW(+$39.9K) YoY NEW(+$39.9K)
(cusipG0135E126)✕	501.0K	QoQ 0.00% (+0) YoY -23.04% (-150.0K)	All Managers (Combined)	$38.9K	QoQ +1010.00% (+$35.4K) YoY +296.01% (-$29.1K)
Amylyx Pharmaceuticals, Inc.(AMLXcusip03237H101)	10.3K	QoQ NEW(+10.3K) YoY -97.92% (-487.7K)	All Managers (Combined)	$36.6K	QoQ NEW(+$36.6K) YoY -97.41% (-$1.4M)
(cusipG32901129)✕	202.5K	QoQ NEW(+202.5K) YoY NEW(+202.5K)	All Managers (Combined)	$36.5K	QoQ NEW(+$36.5K) YoY NEW(+$36.5K)
Bayview Acquisition Corp(BAYARcusip07323B118)	175.0K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$32.8K	QoQ +44.23% (+$10.1K) YoY +70.45% (+$13.6K)
(cusip42600H116)✕	213.1K	QoQ -27.84% (-82.2K) YoY NEW(+213.1K)	All Managers (Combined)	$32.0K	QoQ -10.62% (-$3.8K) YoY NEW(+$32.0K)
Protalix Biotherapeutics, Inc.(PLXcusip74365A309)	12.0K	QoQ NEW(+12.0K) YoY NEW(+12.0K)	All Managers (Combined)	$30.7K	QoQ NEW(+$30.7K) YoY NEW(+$30.7K)
Expensify, Inc.(EXFYcusip30219Q106)	10.1K	QoQ NEW(+10.1K) YoY NEW(+10.1K)	All Managers (Combined)	$30.6K	QoQ NEW(+$30.6K) YoY NEW(+$30.6K)
(cusip67091J602)✕	1.5M	QoQ +3091.48% (-1.5M) YoY NEW(+1.5M)	All Managers (Combined)	$29.7K	QoQ -57.87% (-$40.8K) YoY NEW(+$29.7K)
(cusip12664M111)✕	290.0K	QoQ NEW(+290.0K) YoY NEW(+290.0K)	All Managers (Combined)	$29.4K	QoQ NEW(+$29.4K) YoY NEW(+$29.4K)
Sangamo Therapeutics, Inc(SGMOcusip800677106)	42.4K	QoQ NEW(+42.4K) YoY -96.91% (-1.3M)	All Managers (Combined)	$27.8K	QoQ NEW(+$27.8K) YoY -96.98% (-$892.7K)
(cusipG0544A145)✕	200.0K	QoQ NEW(+200.0K) YoY NEW(+200.0K)	All Managers (Combined)	$27.7K	QoQ NEW(+$27.7K) YoY NEW(+$27.7K)
Richtech Robotics Inc.(RRcusip765504105)	13.5K	QoQ NEW(+13.5K) YoY NEW(+13.5K)	All Managers (Combined)	$26.7K	QoQ NEW(+$26.7K) YoY NEW(+$26.7K)
(cusip60938K114)✕	100.0K	QoQ 0.00% (+0) YoY NEW(+100.0K)	All Managers (Combined)	$26.5K	QoQ +44.96% (+$8.2K) YoY NEW(+$26.5K)
(cusip98741Y111)✕	471.2K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$25.8K	QoQ -5.68% (-$1.6K) YoY +207.30% (+$17.4K)
(cusip74841A113)✕	14.1K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$23.2K	QoQ +17.85% (+$3.5K) YoY +55.66% (+$8.3K)
Vuzix Corp(VUZIcusip92921W300)	11.0K	QoQ NEW(+11.0K) YoY NEW(+11.0K)	All Managers (Combined)	$22.4K	QoQ NEW(+$22.4K) YoY NEW(+$22.4K)
Sellas Life Sciences Group, Inc.(SLScusip81642T209)	20.7K	QoQ NEW(+20.7K) YoY NEW(+20.7K)	All Managers (Combined)	$22.3K	QoQ NEW(+$22.3K) YoY NEW(+$22.3K)