Sei Investments Co

Filing Details

13F-HR/A • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-14
Total Holdings: 5,028
Total Value: 74794829820
Accession Number: 0001041062-25-000106
Form Type: 13F-HR/A
CIK: 0000350894
Manager Name: Sei Investments Co

Data Enrichment

95% identified

4,773 identified255 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

5,028 positions • $74,794,829.82K total value

5,028 positions

Manager:

SEC FilingSEC DataHachi Filing

Search and click to pin securities to the top

Page 138 of 138

Sort by:

C4 Therapeutics, Inc.

CCCC|12529R107

12429(+0.2%)

Value:

$19.9M(-55.4%)

Clear Channel Outdoor Holdings, Inc.

CCO|18453H106

16931(+0.0%)

Value:

$18.8M(-19.0%)

Cabaletta Bio, Inc.

CABA|12674W109

12181(-0.2%)

Value:

$16.9M(-39.1%)

OPKO HEALTH, INC.

OPK|68375N103

10163(+0.0%)

Value:

$16.9M(+12.9%)

enCore Energy Corp.

EU|29259W700

11570(+0.0%)

Value:

$15.9M(-59.8%)

83425V104

DTC|83425V104

84044(-86.0%)

Value:

$14.1M(-97.9%)

HARVARD BIOSCIENCE INC

HBIO|416906105

22268(+0.0%)

Value:

$12.6M(-73.2%)

Energy Vault Holdings, Inc.

NRGV|29280W109

16564(+0.0%)

Value:

$11.5M(-69.5%)

Adaptimmune Therapeutics PLC

ADAP|00653A107

54824

Value:

$10.8M

RELMADA THERAPEUTICS, INC.

RLMD|75955J402

36230(+0.0%)

Value:

$9.8M(-48.1%)

Leslie's, Inc.

LESL|527064109

11838(+0.0%)

Value:

$8.7M(-67.0%)

System1, Inc.

SST|87200P109

16217(+0.0%)

Value:

$6.2M(-57.5%)

i-80 Gold Corp.

IAUX|44955L106

10115(+0.0%)

Value:

$5.9M(+19.9%)

SES AI Corp

SES|78397Q109

11140(+0.0%)

Value:

$5.8M(-76.2%)

Forge Global Holdings, Inc.

FRGE|34629L103

10069(+0.0%)

Value:

$5.7M(-39.6%)

Allakos Inc.

ALLK|01671P100

21553

Value:

$4.9M

Lyra Therapeutics, Inc.

LYRA|55234L105

30067(-64.2%)

Value:

$3.8M(-77.9%)

Instrument	Shares		Other Manager	Value
C4 Therapeutics, Inc.(CCCCcusip12529R107)	12.4K	QoQ +0.24% (-30) YoY NEW(+12.4K)	All Managers (Combined)	$19.9K	QoQ -55.44% (-$24.7K) YoY NEW(+$19.9K)
Clear Channel Outdoor Holdings, Inc.(CCOcusip18453H106)	16.9K	QoQ 0.00% (-0) YoY -15.98% (-3.2K)	All Managers (Combined)	$18.8K	QoQ -18.97% (-$4.4K) YoY -43.48% (-$14.5K)
Cabaletta Bio, Inc.(CABAcusip12674W109)	12.2K	QoQ -0.20% (-25) YoY NEW(+12.2K)	All Managers (Combined)	$16.9K	QoQ -39.11% (-$10.8K) YoY NEW(+$16.9K)
Opko Health, Inc.(OPKcusip68375N103)	10.2K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$16.9K	QoQ +12.92% (+$1.9K) YoY +38.33% (+$4.7K)
Encore Energy Corp.(EUcusip29259W700)	11.6K	QoQ 0.00% (-0) YoY NEW(+11.6K)	All Managers (Combined)	$15.9K	QoQ -59.82% (-$23.6K) YoY NEW(+$15.9K)
(DTCcusip83425V104)	84.0K	QoQ -85.96% (-514.6K) YoY -85.56% (-498.2K)	All Managers (Combined)	$14.1K	QoQ -97.93% (-$668.4K) YoY -98.88% (-$1.2M)
Harvard Bioscience Inc(HBIOcusip416906105)	22.3K	QoQ 0.00% (-0) YoY NEW(+22.3K)	All Managers (Combined)	$12.6K	QoQ -73.17% (-$34.4K) YoY NEW(+$12.6K)
Energy Vault Holdings, Inc.(NRGVcusip29280W109)	16.6K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$11.5K	QoQ -69.49% (-$26.2K) YoY -61.15% (-$18.1K)
Adaptimmune Therapeutics Plc(ADAPcusip00653A107)	54.8K	QoQ NEW(+54.8K) YoY NEW(+54.8K)	All Managers (Combined)	$10.8K	QoQ NEW(+$10.8K) YoY NEW(+$10.8K)
Relmada Therapeutics, Inc.(RLMDcusip75955J402)	36.2K	QoQ 0.00% (-0) YoY -0.24% (-90)	All Managers (Combined)	$9.8K	QoQ -48.07% (-$9.1K) YoY -94.20% (-$159.1K)
Leslie'S, Inc.(LESLcusip527064109)	11.8K	QoQ 0.00% (-0) YoY -96.87% (-366.7K)	All Managers (Combined)	$8.7K	QoQ -67.01% (-$17.7K) YoY -99.64% (-$2.5M)
System1, Inc.(SSTcusip87200P109)	16.2K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$6.2K	QoQ -57.55% (-$8.4K) YoY -80.54% (-$25.6K)
I-80 Gold Corp.(IAUXcusip44955L106)	10.1K	QoQ 0.00% (+0) YoY 0.00% (-0)	All Managers (Combined)	$5.9K	QoQ +19.95% (+$979) YoY -56.58% (-$7.7K)
Ses Ai Corp(SEScusip78397Q109)	11.1K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$5.8K	QoQ -76.22% (-$18.6K) YoY -69.00% (-$12.9K)
Forge Global Holdings, Inc.(FRGEcusip34629L103)	10.1K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$5.7K	QoQ -39.62% (-$3.7K) YoY -70.87% (-$13.8K)
Allakos Inc.(ALLKcusip01671P100)	21.6K	QoQ NEW(+21.6K) YoY -50.03% (-21.6K)	All Managers (Combined)	$4.9K	QoQ NEW(+$4.9K) YoY -90.97% (-$49.4K)
Lyra Therapeutics, Inc.(LYRAcusip55234L105)	30.1K	QoQ -64.23% (-54.0K) YoY NEW(+30.1K)	All Managers (Combined)	$3.8K	QoQ -77.92% (-$13.5K) YoY NEW(+$3.8K)