Calamos Advisors
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Calamos Advisors’s STMicroelectronics STM Stock Holding History

Calamos Advisors’s Portfolio STM Stock Details STM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.44M Buy
+19,251
New +$1.16M ﹤0.01% 704
2025
Q4 		– Sell
-114,000
Closed -$3.22M – 996
2025
Q3 		$3.22M Buy
+114,000
New +$3.19M 0.01% 592

Other funds holding STM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
WAM
WT Asset Management Hong Kong $5.05B AUM 589.49% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return
Walleye Capital
Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return
RS
Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
PAP
Persistent Asset Partners Hong Kong $335M AUM 275.57% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Calamos Advisors's STM Position: Q2 2026 in Review

Calamos Advisors opened a new position in STMicroelectronics (STM) in Q2 2026: 19,251 shares worth $1.44M. The stake represents ﹤0.01% of the portfolio and ranks #704 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in STM as recently as Q3 2025.

Calamos Advisors first reported a position in STM in Q3 2025 and has held it in 2 quarters since. The position peaked at $3.22M in Q3 2025. 284 funds tracked by Wall St. Rank hold STM as of Q2 2026.

  • Calamos Advisors held 19,251 shares of STMicroelectronics worth $1.44M as of Q2 2026.
  • STMicroelectronics was a new Calamos Advisors position in Q2 2026.
  • STMicroelectronics made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #704 holding.
  • Calamos Advisors first reported a position in STMicroelectronics in Q3 2025 and has held it in 2 quarters since.
  • Calamos Advisors's STMicroelectronics position peaked at $3.22M in Q3 2025.
  • 284 funds tracked by Wall St. Rank held STMicroelectronics as of Q2 2026.

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