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ARCI

Archimedes Tech SPAC Partners III

52 hedge funds and large institutions have $203M invested in Archimedes Tech SPAC Partners III in 2026 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 9 increasing their positions, 4 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 4

125% more repeat investments, than reductions

Existing positions increased: 9 | Existing positions reduced: 4

32% more capital invested

Capital invested by funds: $153M → $203M (+$49.3M)

30% more funds holding

Funds holding: 4052 (+12)

13.25% more ownership

Funds ownership: 44.14%57.39% (+13%)

Holders
52
Holders Change
+12
Holders Change %
+30%
% of All Funds
0.63%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
16
Increased
9
Reduced
4
Closed
4
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AAP
51
Arax Advisory Partners
Colorado
$15K +$14.9K +1,500 New
Morgan Stanley
52
Morgan Stanley
New York
$240 +$70 +7 +41%
AGM
53
Alpine Global Management
New York
-$1.48M -150,000 Closed
VF
54
Virtu Financial
New York
-$894K -90,734 Closed
Parallax Volatility Advisers
55
Parallax Volatility Advisers
California
-$495K -50,000 Closed
Royal Bank of Canada
56
Royal Bank of Canada
Ontario, Canada
-$27K -2,700 Closed

ARCI Hedge Fund Activity: Q2 2026 in Review

52 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners III (ARCI) for Q2 2026, worth a combined $203M — up 32% from $153M a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new ARCI positions and 4 closed out — a net gain of 12 holders — while 9 added to existing stakes and 4 trimmed.

The largest buyer was Alberta Investment Management Corp (AIMCo), opening a new position worth an estimated $9.93M. The largest seller was Alpine Global Management, exiting entirely with an estimated $1.48M sold.

  • 52 institutional investors held Archimedes Tech SPAC Partners III (ARCI) as of Q2 2026, up from 40 in Q1 2026.
  • Funds reported $203M of Archimedes Tech SPAC Partners III stock for Q2 2026, up 32% quarter-over-quarter.
  • 16 funds opened new Archimedes Tech SPAC Partners III positions in Q2 2026 and 4 closed out, a net change of +12 holders.
  • The largest Archimedes Tech SPAC Partners III buyer in Q2 2026 was Alberta Investment Management Corp (AIMCo), an estimated $9.93M added.
  • The largest Archimedes Tech SPAC Partners III seller in Q2 2026 was Alpine Global Management, an estimated $1.48M sold.

Based on aggregated 13F filings for Q2 2026.