Tantech Holdings Ltd (TANH) Ownership

NASDAQ: TANHTop holders, insider trades and short interest.

TANH ownership summary

as of October 18, 2026
Institutions
0.7%
of shares outstanding
Insiders
0.22%
of shares outstanding
Shares outstanding
668K
Float
284K
shares available to trade
Short interest
7.39%
49K shares short
Days to cover
0.34
short interest down 42.8% vs prior month
  • Institutions 0.69%
  • Insiders 0.22%
  • Other investors 99.09%

TANH top institutional holders

10 largest
Tantech Holdings Ltd top institutional holders
#Holder% of sharesSharesValueChangeReported
1XTX Topco Ltd0.18%60K$814,027+59,767 (0.0%)June 30, 2026
2Virtu Financial LLC0.13%42K$572,217+42,013 (0.0%)June 30, 2026
3Susquehanna International Group, LLP0.11%38K$511,254+37,537 (0.0%)June 30, 2026
4Jane Street Group LLC0.09%31K$427,954+31,421 (0.0%)June 30, 2026
5HRT FINANCIAL LLC0.09%30K$410,956+30,173 (0.0%)June 30, 2026
6Marex Group Ltd0.08%28K$384,574−5,876 (−17.2%)June 30, 2026
7UBS Group AG0.01%1,795$24,448+1,384 (+336.7%)June 30, 2026
8SBI Securities Co Ltd<0.01%1,036$14,110+35 (+3.5%)June 30, 2026
9Ground Swell Capital, LLC0.00%——−13,801 (−100.0%)June 30, 2026
10StoneX Group Inc0.00%——−11,489 (−100.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 10, 7 holders added 202K shares and 3 cut 31K.

TANH top mutual fund and ETF holders

1 largest
Tantech Holdings Ltd top fund holders
#Holder% of sharesSharesValueChangeReported
1Blackstone Alternative Multi-Strategy I<0.01%38$518—March 31, 2024

Funds report holdings monthly or quarterly; dates differ by fund.

TANH shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns TANH

Institutional investors own 0.7% of Tantech's shares and insiders 0.22%. The largest holder is XTX Topco Ltd with 0.18% of the shares (60K), as of June 30, 2026. Among the top 10 institutions, 7 added shares and 3 reduced their stake in the latest filings. Short interest is 7.39% of the float, or 0.34 days of average trading volume. The share count fell 91.6% since 2014.

Related: TANH key metrics. See the TANH stock overview for the latest quote and news.

TANH ownership FAQ

Who owns the most Tantech stock?

The largest shareholders of Tantech are XTX Topco Ltd (0.18%), Virtu Financial LLC (0.13%), Susquehanna International Group, LLP (0.11%), Jane Street Group LLC (0.09%), HRT FINANCIAL LLC (0.09%).

What percentage of Tantech is owned by institutions?

Institutions hold 0.7% of Tantech's shares outstanding; insiders hold 0.22%.

Which funds own Tantech?

The largest fund holders of Tantech are Blackstone Alternative Multi-Strategy I (<0.01%).

What is Tantech's short interest?

49K shares of Tantech were sold short, 7.39% of the float; at the average daily volume it would take 0.34 days to cover.

How many shares of Tantech are outstanding?

Tantech has 668K shares outstanding, of which 284K are in the public float.

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