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Tantech Holdings
TANH

4 hedge funds and large institutions have $115K invested in Tantech Holdings in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

355% more capital invested

Capital invested by funds: $25.2K → $115K (+$89.6K)

100% more funds holding

Funds holding: 2 → 4 (+2)

3.91% more ownership

Funds ownership: 1.02% → 4.93% (+3.9%)

0% more repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 1

Holders
4
Holders Change
+2
Holders Change %
+100%
% of All Funds
0.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
1
Reduced
1
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$74.2K
2
MG
Marex Group
+$44.5K
3
SS
SBI Securities
Japan
+$205

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$23.6K
Name Holding Trade Value Shares
Change 		Change in
Stake
Citadel Advisors
1
Citadel Advisors
Florida
$71K +$74.2K +36,213 New
MG
2
Marex Group
$42.6K +$44.5K +21,737 New
SS
3
SBI Securities
Japan
$792 +$205 +100 +33%
UBS Group
4
UBS Group
Switzerland
$510 -$23.6K -11,516 -98%

TANH Hedge Fund Activity: Q2 2025 in Review

4 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Tantech Holdings (TANH) for Q2 2025, worth a combined $115K — up 355% from $25.2K a quarter earlier.

Buyers outnumbered sellers: 2 funds opened new TANH positions and 0 closed out — a net gain of 2 holders — while 1 added to existing stakes and 1 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $74.2K. The largest seller was UBS Group, cutting an estimated $23.6K.

  • 4 institutional investors held Tantech Holdings (TANH) as of Q2 2025, up from 2 in Q1 2025.
  • Funds reported $115K of Tantech Holdings stock for Q2 2025, up 355% quarter-over-quarter.
  • 2 funds opened new Tantech Holdings positions in Q2 2025 and 0 closed out, a net change of +2 holders.
  • The largest Tantech Holdings buyer in Q2 2025 was Citadel Advisors, an estimated $74.2K added.
  • The largest Tantech Holdings seller in Q2 2025 was UBS Group, an estimated $23.6K sold.

Based on aggregated 13F filings for Q2 2025.