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Magnetar Financial’s Arcosa ACA Stock Holding History

Magnetar Financial’s Portfolio ACA Stock Details ACA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$46M Buy
+316,267
New +$39.3M 0.42% 36
2025
Q4 		– Sell
-32,961
Closed -$3.09M – 900
2025
Q3 		$3.09M Buy
+32,961
New +$3.06M 0.02% 301

Other funds holding ACA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Magnetar Financial's ACA Position: Q2 2026 in Review

Magnetar Financial opened a new position in Arcosa (ACA) in Q2 2026: 316,267 shares worth $46M. The stake represents 0.42% of the portfolio and ranks #36 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in ACA as recently as Q3 2025.

Magnetar Financial first reported a position in ACA in Q3 2025 and has held it in 2 quarters since. 427 funds tracked by Wall St. Rank hold ACA as of Q2 2026.

  • Magnetar Financial held 316,267 shares of Arcosa worth $46M as of Q2 2026.
  • Arcosa was a new Magnetar Financial position in Q2 2026.
  • Arcosa made up 0.42% of Magnetar Financial's portfolio in Q2 2026, its #36 holding.
  • Magnetar Financial first reported a position in Arcosa in Q3 2025 and has held it in 2 quarters since.
  • 427 funds tracked by Wall St. Rank held Arcosa as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.