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ARCIU

Archimedes Tech SPAC Partners III Units
ARCIU

15 hedge funds and large institutions have $47.3M invested in Archimedes Tech SPAC Partners III Units in 2026 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 6 increasing their positions, 1 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

500% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 1

21.71% less ownership

Funds ownership: 44.15%22.44% (-22%)

48% less capital invested

Capital invested by funds: $91M → $47.3M (-$43.8M)

48% less funds holding

Funds holding: 2915 (-14)

93% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 15

Holders
15
Holders Change
-14
Holders Change %
-48.28%
% of All Funds
0.18%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
1
Increased
6
Reduced
1
Closed
15
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LP
1
LMR Partners
United Kingdom
$12.7M
Tudor Investment Corp
2
Tudor Investment Corp
Connecticut
$6.62M
Toronto Dominion Bank
3
Toronto Dominion Bank
Ontario, Canada
$6.59M +$3.99M +396,217 +158%
OAC
4
OMERS Administration Corp
Ontario, Canada
$4.89M
AC
5
Aristeia Capital
Connecticut
$4.08M +$9.95K +989 +0.2%
LPC
6
Lineage Point Capital
Florida
$3.01M +$139K +13,776 +5%
BCM
7
BlueCrest Capital Management
Jersey
$2.82M
Millennium Management
8
Millennium Management
New York
$1.83M -$1.71M -170,257 -49%
Qube Research & Technologies (QRT)
9
Qube Research & Technologies (QRT)
United Kingdom
$1.54M
Calamos Advisors
10
Calamos Advisors
Illinois
$1.29M
WCMNY
11
Westchester Capital Management (New York)
New York
$1.02M
CS
12
Clear Street
New York
$349K +$243K +24,194 +240%
HF
13
HRT Financial
New York
$256K +$40 +4 +0%
GCL
14
Glazer Capital LLC
New York
$110K +$106K +10,523 New
TCM
15
Tuttle Capital Management
Connecticut
$109K +$7.74K +769 +8%
AIMCA
16
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
-$10M -1,000,000 Closed
AA
17
AQR Arbitrage
Connecticut
-$7.56M -757,625 Closed
LIP
18
Lighthouse Investment Partners
Florida
-$5M -500,000 Closed
RCM
19
Rivernorth Capital Management
Florida
-$5M -500,000 Closed
BNP Paribas Financial Markets
20
BNP Paribas Financial Markets
France
-$4.92M -492,375 Closed
COPPSERS
21
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
-$4M -400,000 Closed
MI
22
MMCAP International
Cayman Islands
-$3M -300,000 Closed
SSA
23
Schonfeld Strategic Advisors
New York
-$2.36M -236,368 Closed
WC
24
Wealthspring Capital
New York
-$1.66M -166,480 Closed
PMAM
25
Picton Mahoney Asset Management
Ontario, Canada
-$1.5M -150,000 Closed

ARCIU Hedge Fund Activity: Q2 2026 in Review

15 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners III Units (ARCIU) for Q2 2026, worth a combined $47.3M — down 48% from $91M a quarter earlier.

Sellers outnumbered buyers: 15 funds closed out of ARCIU and 1 opened new positions — a net loss of 14 holders — while 1 trimmed existing stakes and 6 added.

The largest buyer was Toronto Dominion Bank, adding an estimated $3.99M. The largest seller was Alberta Investment Management Corp (AIMCo), exiting entirely with an estimated $10M sold.

  • 15 institutional investors held Archimedes Tech SPAC Partners III Units (ARCIU) as of Q2 2026, down from 29 in Q1 2026.
  • Funds reported $47.3M of Archimedes Tech SPAC Partners III Units stock for Q2 2026, down 48% quarter-over-quarter.
  • 1 fund opened new Archimedes Tech SPAC Partners III Units positions in Q2 2026 and 15 closed out, a net change of -14 holders.
  • The largest Archimedes Tech SPAC Partners III Units buyer in Q2 2026 was Toronto Dominion Bank, an estimated $3.99M added.
  • The largest Archimedes Tech SPAC Partners III Units seller in Q2 2026 was Alberta Investment Management Corp (AIMCo), an estimated $10M sold.

Based on aggregated 13F filings for Q2 2026.