ACM
SOMN

Advent Capital Management’s The Southern Company 2025 Series A Corp Units SOMN Stock Holding History

Advent Capital Management’s Portfolio SOMN Stock Details SOMN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$60.8M Buy
1,215,477
+94,102
+8% +$4.77M 1.36% 17
2026
Q1 		$58.1M Buy
1,121,375
+204,386
+22% +$10.5M 1.6% 13
2025
Q4 		$45.6M Buy
+916,989
New +$45.5M 0.92% 25

Other funds holding SOMN

Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Calamos Advisors
Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
PSC
Portman Square Capital London, United Kingdom $2.11B AUM 19.71% 1-Year Est. Return
CAM
Camden Asset Management Los Angeles, California $3.43B AUM 14.75% 1-Year Est. Return

Advent Capital Management's SOMN Position: Q2 2026 in Review

Advent Capital Management increased its The Southern Company 2025 Series A Corp Units (SOMN) stake by 8.4% in Q2 2026, buying an estimated $4.77M and bringing the position to 1,215,477 shares worth $60.8M. The position accounts for 1.36% of the portfolio, ranked #17.

Advent Capital Management first reported a position in SOMN in Q4 2025 and has held it in 3 quarters since. 49 funds tracked by Wall St. Rank hold SOMN as of Q2 2026.

  • Advent Capital Management held 1,215,477 shares of The Southern Company 2025 Series A Corp Units worth $60.8M as of Q2 2026.
  • Advent Capital Management bought 94,102 The Southern Company 2025 Series A Corp Units shares in Q2 2026, an estimated $4.77M.
  • The Southern Company 2025 Series A Corp Units made up 1.36% of Advent Capital Management's portfolio in Q2 2026, its #17 holding.
  • Advent Capital Management first reported a position in The Southern Company 2025 Series A Corp Units in Q4 2025 and has held it in 3 quarters since.
  • 49 funds tracked by Wall St. Rank held The Southern Company 2025 Series A Corp Units as of Q2 2026.

Based on Advent Capital Management's 13F filing for Q2 2026, filed 11 Aug 2026.