Aduro Clean Technologies ADUR Institutional Ownership

NASDAQ ADUR

$12.12 -0.37 (-2.96%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

41 Institutions

Increased 30 73.2%

Unchanged 5 12.2%

Reduced 6 14.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

2.86%

▲+0.21 pp QoQ

Shares Held by Institutions

919.26K

of 32.17Mn outstanding

▲+71.98% QoQ

Shares Outstanding

32.17Mn

31.25Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+384.75K

accumulated since last quarter

Value of Holdings

$11.48Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Aduro Clean Technologies Inc. (NASDAQ:ADUR) has 41 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 2.9% of outstanding shares in June 2026, up from 2.7% in March 2026.
They increased total shares held in Aduro Clean Technologies by 71.98% from the prior quarter, while the number of investors in ADUR increased 86.36% year over year.
Of these 41 funds, 30 grew their exposure to Aduro Clean Technologies, 6 cut back, and 5 maintained positions.
The aggregate institutional position in Aduro Clean Technologies amounted to 919.26K shares as of June 2026, up by 384.74K shares quarter on quarter, and up 619.29K shares year over year.
As of June 30, 2026, MMCAP International Inc. SPC held the largest stake in Aduro Clean Technologies with 140.43K shares, accounting for 0.44% of total shares outstanding.
The biggest buyers of Aduro Clean Technologies for the quarter ending June 2026 included MMCAP International Inc. SPC (140.43K), MARSHALL WACE, LLP (76.53K), Fiduciary Alliance LLC (64.96K), JANE STREET GROUP, LLC (47.0K), Aptus Capital Advisors, LLC (40.1K).
The largest sales of ADUR for the quarter ending June 2026 came from Diametric Capital, LP (84.95K), UBS Group AG (44.0K), Stifel Financial Corp (20.2K), IMC-Chicago, LLC (15.84K), HRT FINANCIAL LP (14.61K).
Aduro Clean Technologies's 10 largest shareholders as of June 2026 include MMCAP International Inc. SPC (140.43K), MARSHALL WACE, LLP (76.53K), JANE STREET GROUP, LLC (73.49K), Raymond James Financial Inc (69.15K), Fiduciary Alliance LLC (64.96K), TWO SIGMA INVESTMENTS, LP (40.62K), Aptus Capital Advisors, LLC (40.1K), GUARDIAN WEALTH ADVISORS, LLC / NC (40.0K), NewEdge Advisors, LLC (38.33K), Diametric Capital, LP (31.88K) per Business Quant data.

Form 13F Holdings

41 Institutional Holders

Report period 30 Jun, 2026

Total shares held 919.26K

Of outstanding 2.86%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MMCAP International Inc. SPC	0001304857	140,432	0.44%	▲140,432	0.00%	$2.21Mn
2	MARSHALL WACE, LLP	0001318757	76,525	0.24%	▲76,525	0.00%	$1.21Mn
3	JANE STREET GROUP, LLC	0001595888	73,490	0.23%	▲47,002	+177.45%	$1.16Mn
4	Raymond James Financial Inc	0000720005	69,148	0.21%	▲26,752	+63.10%	$1.09Mn
5	Fiduciary Alliance LLC	0001954805	64,961	0.20%	▲64,961	0.00%	$1.02Mn
6	TWO SIGMA INVESTMENTS, LP	0001179392	40,616	0.13%	▲10,854	+36.47%	$640.11K
7	Aptus Capital Advisors, LLC	0001664193	40,101	0.12%	▲40,101	0.00%	$631.99K
8	GUARDIAN WEALTH ADVISORS, LLC / NC	0001901403	40,000	0.12%	▲40,000	0.00%	$630.40K
9	NewEdge Advisors, LLC	0001633516	38,332	0.12%	▲38,332	0.00%	$604.11K
10	Diametric Capital, LP	0001719087	31,884	0.10%	▼84,951	-72.71%	$502.49K
11	UBS Group AG	0001610520	31,212	0.10%	▼44,005	-58.50%	$491.90K
12	HRT FINANCIAL LP	0001475597	27,847	0.09%	▼14,614	-34.42%	$438
13	Morgan Stanley	0000895421	24,581	0.08%	▲3,472	+16.45%	$387.40K
14	One Wealth Advisors, LLC	0001725297	22,200	0.07%	0	0.00%	$349.87K
15	Perigon Wealth Management, LLC	0001575239	21,195	0.07%	▲5,700	+36.79%	$334.03K
16	State Street Corp	0000093751	19,297	0.06%	▲199	+1.04%	$304.12K
17	GEODE CAPITAL MANAGEMENT, LLC	0001214717	19,232	0.06%	0	0.00%	$303.10K
18	IMC-Chicago, LLC	0001452861	16,733	0.05%	▼15,839	-48.63%	$263.71K
19	Stifel Financial Corp	0000720672	16,692	0.05%	▼20,200	-54.75%	$263.07K
20	COMMONWEALTH EQUITY SERVICES, LLC	0000312272	15,584	0.05%	▲15,584	0.00%	$245.60K

Showing 1 to 20 of 41 holders