ATER · Aterian, Inc.

$0.48 +0.02 (+5.37%)

Market Cap

$8.13M

17.97M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 25

Total Value: $979,518

Total Shares: 742,070

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 25 13F filers · Δ vs Mar 31, 2026

Top Holder

30.1%

+5.5 pts

Top 5

69.8%

+1.9 pts

Top 10

94.4%

+2.0 pts

HHI

1,464

Broadly held+240

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -2

Institutional value: +214.0%

Shares held: +36.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large RENAISSANCE TECHNOLOGIES LLC	+174,383	223,030
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+67,227	104,218
Mega JANE STREET GROUP, LLC	+17,168	49,348
Mega UBS Group AG	+7,205	12,704
Mid Tower Research Capital LLC (TRC)	+2,329	3,795

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega GEODE CAPITAL MANAGEMENT, LLC	−72,746	61,128
Mid XTX Topco Ltd	−26,638	31,280
Mid SBI Securities Co., Ltd.	−4	311

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC	52,500	$69,300
Mid SIMPLEX TRADING, LLC	6,172	$8,147
Large MERCER GLOBAL ADVISORS INC /ADV	10	$13

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega CITADEL ADVISORS LLC	14,400	$8,251
Mid Virtu Financial LLC	10,600	$6,073
Mega ROYAL BANK OF CANADA	5,386	$3,086
Mid Apollo Management Holdings, L.P.	2,276	$1,304
Mid IFP Advisors, Inc	11	$6

Filter: New 3 Increased 7 Reduced 3 Sold out 5 Unchanged 12

Showing 26 of 26

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

RENAISSANCE TECHNOLOGIES LLC

$294,399

30.06%

223,030

BlackRock, Inc.

$95,421

9.74%

72,289

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	72,289	$95,421	100.0%	Sole

GEODE CAPITAL MANAGEMENT, LLC

$80,688

8.24%

61,128

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	3,377	$4,457	5.5%	Defined
Held directly	57,751	$76,231	94.5%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$75,302

7.69%

57,047

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$74,448

7.60%

56,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	56,400	$74,448	100.0%	Other

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$69,300

7.07%

52,500

JANE STREET GROUP, LLC

$65,138

6.65%

49,348

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	34,118	$45,035	69.1%	Defined
Jane Street Global Trading, LLC	15,230	$20,103	30.9%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$63,119

6.44%

47,818

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	47,818	$63,119	100.0%	Other

XTX Topco Ltd

$41,289

4.22%

31,280

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	31,280	$41,289	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$34,312

3.50%

25,994

STATE STREET CORP

$31,689

3.24%

24,007

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	24,007	$31,689	100.0%	Defined

NORTHERN TRUST CORP

$17,377

1.77%

13,165

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	13,165	$17,377	100.0%	Defined

UBS Group AG

$16,767

1.71%

12,704

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	87	$114	0.7%	Defined
UBS AG	234	$308	1.8%	Defined
UBS Switzerland AG	7,504	$9,905	59.1%	Defined
UBS Securities LLC	4,879	$6,440	38.4%	Defined

SIMPLEX TRADING, LLC

$8,147

0.83%

6,172

Tower Research Capital LLC (TRC)

$5,009

0.51%

3,795

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,795	$5,009	100.0%	Defined

JPMORGAN CHASE & CO

$3,674

0.38%

2,784

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	8	$10	0.3%	Defined
J.P. Morgan SE	2,776	$3,664	99.7%	Defined

Vanguard Global Advisers, LLC

$2,077

0.21%

1,574

OSAIC HOLDINGS, INC.

$766

0.08%

581

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	581	$766	100.0%	Defined

SBI Securities Co., Ltd.

$410

0.04%

311

BNP PARIBAS ARBITRAGE, SA

$96

0.01%

STANCE CAPITAL LLC

$47

0.00%

PROATHLETE WEALTH MANAGEMENT LLC

$27

0.00%

MERCER GLOBAL ADVISORS INC /ADV

$13

0.00%

NATIONAL BANK OF CANADA /FI/

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	1	$1	100.0%	Defined

TD Waterhouse Canada Inc.

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	1	$1	100.0%	Defined

MORGAN STANLEY

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	1	$1	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	14,400	$8,251	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	10,600	$6,073	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	5,386	$3,086	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Apollo Capital Management, L.P.	2,276	$1,304	100.0%	Defined

Key facts CIK 1757715 CUSIP 02156U200 13F (30d) 25 filings 25 filers Visit website Investor relations