Simplex Trading, LLC

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-12
Total Holdings: 8,744
Total Value: 141360883
Accession Number: 0001488542-25-000007
Form Type: 13F-HR
CIK: 0001488542
Manager Name: Simplex Trading, LLC

Data Enrichment

22% identified

1,894 identified6,850 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

8,744 positions • $141,360.883K total value

8,744 positions

Manager:

SEC FilingSEC DataHachi Filing

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357023950

200(-33.3%)

Value:

$1.0K(-50.0%)

45685K952

200(-99.4%)

Value:

$1.0K(-99.6%)

ENCORE CAPITAL GROUP INC

ECPG|292554102

Value:

$1.0K

Werewolf Therapeutics, Inc.

HOWL|95075A107

1890(+15.7%)

Value:

$1.0K(-50.0%)

550351100

2700(-75.0%)

Value:

$1.0K(-95.7%)

NATIONAL RESEARCH CORP

NRC|637372202

Value:

$1.0K

72765Q902

1300(-27.8%)

Value:

$1.0K(-50.0%)

47973J952

100(-99.3%)

Value:

$1.0K(+0.0%)

Orion Group Holdings Inc

ORN|68628V308

195

Value:

$1.0K

33733E500

Value:

$1.0K

39986L959

1300(-92.7%)

Value:

$1.0K(-96.7%)

New Mountain Finance Corp

NMFC|647551100

127(-47.5%)

Value:

$1.0K(-50.0%)

20451Q954

100(-66.7%)

Value:

$1.0K(-83.3%)

Y8900D108

664(-48.5%)

Value:

$1.0K(-66.7%)

Y-mAbs Therapeutics, Inc.

YMAB|984241109

437(-75.5%)

Value:

$1.0K(-92.3%)

82983N958

100(-66.7%)

Value:

$1.0K(-80.0%)

45781M951

100

Value:

$1.0K

G3855L956

100(-75.0%)

Value:

$1.0K(-50.0%)

81578P956

1100(+0.0%)

Value:

$1.0K(-50.0%)

03837J950

1000(-33.3%)

Value:

$1.0K(-66.7%)

Instrument	Shares		Other Manager	Value
(cusip357023950)✕	200	QoQ -33.33% (-100) YoY -90.00% (-1.8K)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY -85.71% (-$0)
(cusip45685K952)✕	200	QoQ -99.36% (-31.3K) YoY NEW(+200)	All Managers (Combined)	$1.0K	QoQ -99.62% (-$0) YoY NEW(+$0)
Encore Capital Group Inc(ECPGcusip292554102)	57	QoQ NEW(+57) YoY -96.99% (-1.8K)	All Managers (Combined)	$1.0K	QoQ NEW(+$0) YoY -98.83% (-$0)
Werewolf Therapeutics, Inc.(HOWLcusip95075A107)	1.9K	QoQ +15.66% (-256) YoY +835.64% (+1.7K)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY 0.00% (+$0)
(cusip550351100)✕	2.7K	QoQ -75.01% (-8.1K) YoY +66.76% (-1.1K)	All Managers (Combined)	$1.0K	QoQ -95.65% (-$0) YoY -80.00% (-$0)
National Research Corp(NRCcusip637372202)	98	QoQ NEW(+98) YoY NEW(+98)	All Managers (Combined)	$1.0K	QoQ NEW(+$0) YoY NEW(+$0)
(cusip72765Q902)✕	1.3K	QoQ -27.77% (-500) YoY NEW(+1.3K)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY NEW(+$0)
(cusip47973J952)✕	100	QoQ -99.25% (-13.4K) YoY -94.44% (-1.7K)	All Managers (Combined)	$1.0K	QoQ 0.00% (-$0) YoY -95.65% (-$0)
Orion Group Holdings Inc(ORNcusip68628V308)	195	QoQ NEW(+195) YoY -96.96% (-6.2K)	All Managers (Combined)	$1.0K	QoQ NEW(+$0) YoY -98.07% (-$0)
(cusip33733E500)✕	58	QoQ NEW(+58) YoY -98.61% (-4.1K)	All Managers (Combined)	$1.0K	QoQ NEW(+$0) YoY -99.31% (-$0)
(cusip39986L959)✕	1.3K	QoQ -92.69% (-16.5K) YoY -95.50% (-27.6K)	All Managers (Combined)	$1.0K	QoQ -96.66% (-$0) YoY -98.78% (-$0)
New Mountain Finance Corp(NMFCcusip647551100)	127	QoQ -47.52% (-115) YoY +95.38% (+62)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY -(+$0)
(cusip20451Q954)✕	100	QoQ -66.66% (-200) YoY -85.71% (-600)	All Managers (Combined)	$1.0K	QoQ -83.33% (-$0) YoY -93.75% (-$0)
(cusipY8900D108)✕	664	QoQ -48.48% (-625) YoY -55.46% (-827)	All Managers (Combined)	$1.0K	QoQ -66.66% (-$0) YoY -87.50% (-$0)
Y-Mabs Therapeutics, Inc.(YMABcusip984241109)	437	QoQ -75.49% (-1.3K) YoY NEW(+437)	All Managers (Combined)	$1.0K	QoQ -92.30% (-$0) YoY NEW(+$0)
(cusip82983N958)✕	100	QoQ -66.66% (-200) YoY NEW(+100)	All Managers (Combined)	$1.0K	QoQ -80.00% (-$0) YoY NEW(+$0)
(cusip45781M951)✕	100	QoQ NEW(+100) YoY -96.15% (-2.5K)	All Managers (Combined)	$1.0K	QoQ NEW(+$0) YoY -97.43% (-$0)
(cusipG3855L956)✕	100	QoQ -75.00% (-300) YoY NEW(+100)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY NEW(+$0)
(cusip81578P956)✕	1.1K	QoQ 0.00% (-0) YoY NEW(+1.1K)	All Managers (Combined)	$1.0K	QoQ -50.00% (-$0) YoY NEW(+$0)
(cusip03837J950)✕	1.0K	QoQ -33.33% (-500) YoY NEW(+1.0K)	All Managers (Combined)	$1.0K	QoQ -66.66% (-$0) YoY NEW(+$0)