# ADURO CLEAN TECHNOLOGIES INC (ADUR)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ADUR/

- Reporting holders: 44
- Reported value: $31.5M
- Shares held by institutions: 957,354 of 29,613,178 outstanding
- Held through calls: 29.7%
- Held through puts: 22.4%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $5.8M | 0 | 0.0% | 5 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $5.6M | 0 | 0.0% | 5 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $2.8M | 73,490 | 0.0% | 4 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $2.3M | 16,733 | 0.0% | 3 |
| [MMCAP International Inc. SPC](https://holderbook.com/funds/1304857-mmcap-international-inc-spc/) | $2.2M | 140,432 | 0.2% | 1 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $1.2M | 76,525 | 0.0% | 1 |
| [RAYMOND JAMES FINANCIAL INC](https://holderbook.com/funds/720005-raymond-james-financial-inc/) | $1.1M | 69,148 | 0.0% | 3 |
| [Fiduciary Alliance LLC](https://holderbook.com/funds/1954805-fiduciary-alliance-llc/) | $1.0M | 64,961 | 0.1% | 1 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $934.6K | 0 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $734.0K | 46,647 | 0.0% | 2 |
| [TWO SIGMA INVESTMENTS, LP](https://holderbook.com/funds/1179392-two-sigma-investments-lp/) | $640.1K | 40,616 | 0.0% | 4 |
| [Aptus Capital Advisors, LLC](https://holderbook.com/funds/1664193-aptus-capital-advisors-llc/) | $632.0K | 40,101 | 0.0% | 1 |
| [GUARDIAN WEALTH ADVISORS, LLC / NC](https://holderbook.com/funds/1901403-guardian-wealth-advisors-llc-nc/) | $630.4K | 40,000 | 0.0% | 1 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $608.2K | 38,594 | 0.0% | 4 |
| [NewEdge Advisors, LLC](https://holderbook.com/funds/1633516-newedge-advisors-llc/) | $604.1K | 38,332 | 0.0% | 1 |
| [Diametric Capital, LP](https://holderbook.com/funds/1719087-diametric-capital-lp/) | $502.5K | 31,884 | 0.1% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $491.9K | 31,212 | 0.0% | 6 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $387.4K | 24,581 | 0.0% | 6 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $365.7K | 3,506 | 0.0% | 4 |
| [One Wealth Advisors, LLC](https://holderbook.com/funds/1725297-one-wealth-advisors-llc/) | $349.9K | 22,200 | 0.0% | 7 |
| [Perigon Wealth Management, LLC](https://holderbook.com/funds/1575239-perigon-wealth-management-llc/) | $334.0K | 21,195 | 0.0% | 3 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $303.1K | 19,232 | 0.0% | 5 |
| [STIFEL FINANCIAL CORP](https://holderbook.com/funds/720672-stifel-financial-corp/) | $263.1K | 16,692 | 0.0% | 2 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://holderbook.com/funds/312272-commonwealth-equity-services-llc/) | $245.6K | 15,584 | 0.0% | 1 |
| [Squarepoint Ops LLC](https://holderbook.com/funds/1642575-squarepoint-ops-llc/) | $215.2K | 13,652 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 44 | $31.5M |
| Q1 2026 | 38 | $12.7M |
| Q4 2025 | 34 | $13.9M |
| Q3 2025 | 30 | $9.7M |
| Q2 2025 | 23 | $3.3M |
| Q1 2025 | 12 | $269.8K |
| Q4 2024 | 8 | $316.1K |