Comparable stake leader
Streeterville Capital LLC
SEC ownership of TANTECH HOLDINGS LTD
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001588084.
Disclosed value leader
Streeterville Capital LLC
Comparable rows
6/7
Latest evidence
31 Mar 2026
- Public ticker
- TANH on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Streeterville Capital LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
6 of 7
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Streeterville Capital LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001588084
- Issuer location
- Zhejiang, China
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TANTECH HOLDINGS LTD (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Streeterville Capital LLC
Disclosed value leader
Streeterville Capital LLC
Comparable rows
6/7
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 8.4%
1 rows are not safely comparable across share classes.
13D/G row: Streeterville Capital LLC
Quick read
Streeterville Capital LLC leads the comparable SEC ownership view at 8.4%.
6 of 7 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Streeterville Capital LLC's linked filing trail.
Comparable ownership
Top 5
Streeterville Capital LLC
8.4%
Marex Group Ltd
4%
Ground Swell Capital, LLC
1.6%
StoneX Group Inc.
1.4%
SBI Securities Co., Ltd.
0.12%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-7 of 7 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Streeterville Capital LLC |
13D/G
|
8.4%
|
$162,302
71,185 shares
|
$0 | 21 Apr 2025 |
| Marex Group Ltd |
13F
Company
|
4%
|
$20,092
34,112 shares
|
— | 31 Mar 2026 |
| Ground Swell Capital, LLC |
13F
Company
|
1.6%
|
$8,129
13,801 shares
|
— | 31 Mar 2026 |
| StoneX Group Inc. |
13F
Company
|
1.4%
|
$6,767
11,489 shares
|
— | 31 Mar 2026 |
| SBI Securities Co., Ltd. |
13F
Company
|
0.12%
|
$590
1,001 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0.05%
|
$242
411 shares
|
— | 31 Mar 2026 |
| Yefang Zhang |
3/4/5
Director
|
—
class O/S missing
|
—
1,142 shares
|
— | 29 Jun 2013 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 09 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-5 of 5 reporting-owner rows connected to TANTECH HOLDINGS LTD. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Yefang Zhang
Net 12M change
$0
Latest report
29 May 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Yefang Zhang | Director | Mixed | 29 Jun 2013 | |||
| Shudong Wang | Director | Mixed | 01 Jul 2014 | |||
| Hongdao Qian | Director | Mixed | 01 Jul 2014 | |||
| Mengqi Liao | Director | Mixed | 26 May 2023 | |||
| Zheyuan Liu | Ceo | Mixed | 29 May 2025 |
Recent insider transactions for TANTECH HOLDINGS LTD
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.