BlackRock
SOMN

BlackRock’s The Southern Company 2025 Series A Corp Units SOMN Stock Holding History

BlackRock’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 		$122M Sell
2,461,903
-289,064
-11% -$14.7M ﹤0.01% 2105
2026
Q1 		$141M Buy
+2,750,967
New +$142M ﹤0.01% 1889

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
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
ACM
Advent Capital Management New York $4.46B AUM 0.73% 1-Year Est. Return
CAM
Camden Asset Management Los Angeles, California $3.43B AUM 14.75% 1-Year Est. Return

BlackRock's SOMN Position: Q2 2026 in Review

BlackRock reduced its The Southern Company 2025 Series A Corp Units (SOMN) stake by 11% in Q2 2026, selling an estimated $14.7M and leaving 2,461,903 shares worth $122M. The position accounts for ﹤0.01% of the portfolio, ranked #2105.

BlackRock first reported a position in SOMN in Q1 2026 and has held it in 2 quarters since. The position peaked at $141M in Q1 2026. 49 funds tracked by Wall St. Rank hold SOMN as of Q2 2026.

  • BlackRock held 2,461,903 shares of The Southern Company 2025 Series A Corp Units worth $122M as of Q2 2026.
  • BlackRock sold 289,064 The Southern Company 2025 Series A Corp Units shares in Q2 2026, an estimated $14.7M.
  • The Southern Company 2025 Series A Corp Units made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2105 holding.
  • BlackRock first reported a position in The Southern Company 2025 Series A Corp Units in Q1 2026 and has held it in 2 quarters since.
  • BlackRock's The Southern Company 2025 Series A Corp Units position peaked at $141M in Q1 2026.
  • 49 funds tracked by Wall St. Rank held The Southern Company 2025 Series A Corp Units as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.