TANH
Tantech Holdings LtdCompany with tickers: TANH
CIK
1588084
CUSIP
G8675X156
Shares Outstanding
14,427,144
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.
Holders: 5
Total Value: $35,817
Total Shares: 60,814
Institutional Ownership Trend
6 quarters
Holder Concentration
Across 5 13F filers · Δ vs Dec 31, 2025Top Holder
56.1%
−25.5 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
4,022
Highly concentrated−2,949
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
1
Decreased
1
Sold Out
1
Unchanged
0
Holder count:
+2
Institutional value:
-39.1%
Shares held:
+3.5%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid SBI Securities Co., Ltd. | +600 | 1,001 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Marex Group plc | −13,828 | 34,112 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Micro Ground Swell Capital, LLC | 13,801 | $8,128 | |
| Small StoneX Group Inc. | 11,489 | $6,767 | |
| Mega UBS Group AG | 411 | $242 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | 10,424 | $10,424 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large Marex Group plc | $20,091 | 56.09% | 34,112 | Shares | Defined | 2026-05-13 | ||||
| Micro Ground Swell Capital, LLC | $8,128 | 22.69% | 13,801 | Shares | Sole | 2026-04-21 | ||||
| Small StoneX Group Inc. | $6,767 | 18.89% | 11,489 | Shares | Defined | 2026-05-14 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $589 | 1.64% | 1,001 | Shares | Defined | 2026-04-28 | ||||
| Mega UBS Group AG | $242 | 0.68% | 411 | Shares | Defined | 2026-05-05 | ||||
| No holders match your search. | ||||||||||