Calamos Advisors
ARCIU

Calamos Advisors’s Archimedes Tech SPAC Partners III Units ARCIU Stock Holding History

Calamos Advisors’s Portfolio ARCIU Stock Details ARCIU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.29M Hold
124,000
– – ﹤0.01% 724
2026
Q1 		$1.24M Buy
+124,000
New +$1.25M ﹤0.01% 739

Other funds holding ARCIU

LP
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
Tudor Investment Corp
Tudor Investment Corp Stamford, Connecticut $71.9B AUM 42.37% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
OAC
OMERS Administration Corp Toronto, Ontario, Canada $16.7B AUM 35.96% 1-Year Est. Return
AC
Aristeia Capital Greenwich, Connecticut $7.69B AUM 15.48% 1-Year Est. Return
LPC
Lineage Point Capital Palm Beach, Florida $487M AUM
BCM
BlueCrest Capital Management St Helier, Jersey $3.04B AUM 26.78% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return

Calamos Advisors's ARCIU Position: Q2 2026 in Review

Calamos Advisors held its Archimedes Tech SPAC Partners III Units (ARCIU) position steady in Q2 2026 at 124,000 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #724.

Calamos Advisors first reported a position in ARCIU in Q1 2026 and has held it in 2 quarters since. 15 funds tracked by Wall St. Rank hold ARCIU as of Q2 2026.

  • Calamos Advisors held 124,000 shares of Archimedes Tech SPAC Partners III Units worth $1.29M as of Q2 2026.
  • Calamos Advisors left its Archimedes Tech SPAC Partners III Units share count unchanged in Q2 2026.
  • Archimedes Tech SPAC Partners III Units made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #724 holding.
  • Calamos Advisors first reported a position in Archimedes Tech SPAC Partners III Units in Q1 2026 and has held it in 2 quarters since.
  • 15 funds tracked by Wall St. Rank held Archimedes Tech SPAC Partners III Units as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.