Calamos Advisors
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Calamos Advisors’s Seagate STX Stock Holding History

Calamos Advisors’s Portfolio STX Stock Details STX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$9.09M Buy
+23,213
New +$8.86M 0.03% 425
2018
Q4 		– Sell
-6,470
Closed -$306K – 711
2018
Q3 		$306K Buy
+6,470
New +$346K ﹤0.01% 637

Other funds holding STX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Sanders Capital
Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Calamos Advisors's STX Position: Q1 2026 in Review

Calamos Advisors opened a new position in Seagate (STX) in Q1 2026: 23,213 shares worth $9.09M. The stake represents 0.03% of the portfolio and ranks #425 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in STX as recently as Q3 2018.

Calamos Advisors first reported a position in STX in Q3 2018 and has held it in 2 quarters since. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

  • Calamos Advisors held 23,213 shares of Seagate worth $9.09M as of Q1 2026.
  • Seagate was a new Calamos Advisors position in Q1 2026.
  • Seagate made up 0.03% of Calamos Advisors's portfolio in Q1 2026, its #425 holding.
  • Calamos Advisors first reported a position in Seagate in Q3 2018 and has held it in 2 quarters since.
  • 1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.