ADUR · Aduro Clean Technologies Inc.

$13.58 -0.30 (-2.16%) At close · Sep 4

Market Cap

$481.32M

35.44M

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.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 43

Total Value: $24,813,424

Total Shares: 1,574,457

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 43 13F filers · Δ vs Mar 31, 2026

Top Holder

23.6%

+4.4 pts

Top 5

60.1%

+1.4 pts

Top 10

76.2%

+0.2 pts

HHI

1,005

Broadly held+116

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: +114.0%

Shares held: +42.5%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+159,166	371,100
Mega JANE STREET GROUP, LLC	+88,502	178,490
Mega RAYMOND JAMES FINANCIAL INC	+26,752	69,148
Mega CITADEL ADVISORS LLC	+24,600	179,100
Mega TWO SIGMA INVESTMENTS, LP	+10,854	40,616

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small Diametric Capital, LP	−84,951	31,884
Mega UBS Group AG	−44,005	31,212
Large STIFEL FINANCIAL CORP	−20,200	16,692
Mid IMC-Chicago, LLC	−15,839	16,733
Large HRT FINANCIAL LP	−14,614	27,847

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid MMCAP International Inc. SPC	140,432	$2,213,208
Large MARSHALL WACE, LLP	76,525	$1,206,033
Small Fiduciary Alliance LLC	64,961	$1,023,785
Mid Aptus Capital Advisors, LLC	40,101	$631,991
Small GUARDIAN WEALTH ADVISORS, LLC / NC	40,000	$630,400

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small DGS Capital Management, LLC	37,966	$398,263
Mega GOLDMAN SACHS GROUP INC	18,742	$196,603
Mid PRELUDE CAPITAL MANAGEMENT, LLC	17,782	$186,533
Mega BANK OF AMERICA CORP /DE/	11,680	$122,523
Mid Engineers Gate Manager LP	10,887	$114,204

Filter: New 15 Increased 17 Reduced 6 Sold out 11 Unchanged 5

Showing 47 of 47

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$4,704,360

18.96%

298,500

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	298,500	$4,704,360	100.0%	Other

MMCAP International Inc. SPC

$2,213,208

8.92%

140,432

CITADEL ADVISORS LLC

$1,508,232

6.08%

95,700

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	95,700	$1,508,232	100.0%	Defined

JANE STREET GROUP, LLC

$1,390,032

5.60%

88,200

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	88,200	$1,390,032	100.0%	Defined

CITADEL ADVISORS LLC

$1,314,384

5.30%

83,400

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	83,400	$1,314,384	100.0%	Defined

MARSHALL WACE, LLP

$1,206,033

4.86%

76,525

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	76,525	$1,206,033	100.0%	Other

JANE STREET GROUP, LLC

$1,158,202

4.67%

73,490

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	73,490	$1,158,202	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,144,176

4.61%

72,600

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	72,600	$1,144,176	100.0%	Other

RAYMOND JAMES FINANCIAL INC

$1,089,772

4.39%

69,148

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	63,558	$1,001,674	91.9%	Defined
Raymond James Financial Services Advisors, Inc.	5,590	$88,098	8.1%	Defined

Fiduciary Alliance LLC

$1,023,785

4.13%

64,961

TWO SIGMA INVESTMENTS, LP

$640,108

2.58%

40,616

Aptus Capital Advisors, LLC

$631,991

2.55%

40,101

GUARDIAN WEALTH ADVISORS, LLC / NC

$630,400

2.54%

40,000

NewEdge Advisors, LLC

$604,112

2.43%

38,332

Diametric Capital, LP

$502,491

2.03%

31,884

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

Manager	Shares	Value (USD)	% of position	Discretion
Thakore Nainoor	31,884	$502,491	100.0%	Defined

UBS Group AG

$491,900

1.98%

31,212

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	20,959	$330,313	67.2%	Defined
UBS Switzerland AG	10,253	$161,587	32.8%	Defined

HRT FINANCIAL LP

$438,868

1.77%

27,847

MORGAN STANLEY

$387,396

1.56%

24,581

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

Manager	Shares	Value (USD)	% of position	Discretion
Morgan Stanley Canada LTD	528	$8,321	2.1%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	18,870	$297,391	76.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	5,183	$81,684	21.1%	Defined

One Wealth Advisors, LLC

$349,872

1.41%

22,200

Perigon Wealth Management, LLC

$334,033

1.35%

21,195

STATE STREET CORP

$304,120

1.23%

19,297

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

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC.	19,297	$304,120	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$303,096

1.22%

19,232

JANE STREET GROUP, LLC

$264,768

1.07%

16,800

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	16,800	$264,768	100.0%	Defined

IMC-Chicago, LLC

$263,712

1.06%

16,733

STIFEL FINANCIAL CORP

$263,065

1.06%

16,692

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

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	16,692	$263,065	100.0%	Defined

COMMONWEALTH EQUITY SERVICES, LLC

$245,603

0.99%

15,584

Squarepoint Ops LLC

$215,155

0.87%

13,652

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	13,652	$215,155	100.0%	Defined

ROYAL BANK OF CANADA

$202,168

0.81%

12,828

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	32	$504	0.2%	Defined
RBC Dominion Securities Inc.	12,796	$201,664	99.8%	Defined

LPL Financial LLC

$194,636

0.78%

12,350

Mariner, LLC

$161,981

0.65%

10,278

Accurate Wealth Management, LLC

$157,600

0.64%

10,000

NATIONAL BANK OF CANADA /FI/

$107,814

0.43%

6,841

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.	6,841	$107,814	100.0%	Defined

WELLS FARGO & COMPANY/MN

$68,398

0.28%

4,340

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	4,300	$67,768	99.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	40	$630	0.9%	Defined

OSAIC HOLDINGS, INC.

$62,157

0.25%

3,944

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	3,944	$62,157	100.0%	Defined

GROUP ONE TRADING LLC

$55,254

0.22%

3,506

BlackRock, Inc.

$49,990

0.20%

3,172

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

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	3,172	$49,990	100.0%	Sole

SouthState Bank Corp

$31,520

0.13%

2,000

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

Manager	Shares	Value (USD)	% of position	Discretion
SouthState Bank, National Association	2,000	$31,520	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$19,179

0.08%

1,217

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

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	1,217	$19,179	100.0%	Sole

Integrated Wealth Concepts LLC

$18,391

0.07%

1,167

Persistent Asset Partners Ltd

$17,131

0.07%

1,087

BARCLAYS PLC

$13,285

0.05%

843

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	843	$13,285	100.0%	Defined

SBI Securities Co., Ltd.

$10,244

0.04%

650

Atlatl Advisers LLC

$6,950

0.03%

441

Quaker Wealth Management, LLC

$6,304

0.03%

400

Federation des caisses Desjardins du Quebec

$4,964

0.02%

315

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

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	315	$4,964	100.0%	Defined

Global Retirement Partners, LLC

$1,576

0.01%

100

Parallel Advisors, LLC

$1,008

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	18,742	$196,603	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	11,680	$122,523	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	5,829	$61,146	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1 joint	138	$1,447	100.0%	Sole

Key facts CIK 1863934 CUSIP 007408206 13F (30d) 27 filings 27 filers Visit website Investor relations