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Custos Family Office’s SES AI SES Stock Holding History

Custos Family Office’s Portfolio SES Stock Details SES Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.1K Buy
+11,600
New +$12.6K 0.01% 68
2026
Q1 		– Sell
-10,000
Closed -$18K – 66
2025
Q4 		$18K Hold
10,000
– – 0.01% 60
2025
Q3 		$16.7K Buy
+10,000
New +$12K 0.01% 65

Other funds holding SES

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
GMH
General Motors Holdings Detroit, Michigan $79.8M AUM 24.73% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Custos Family Office's SES Position: Q2 2026 in Review

Custos Family Office opened a new position in SES AI (SES) in Q2 2026: 11,600 shares worth $11.1K. The stake represents 0.01% of the portfolio and ranks #68 among its holdings. This is a return to the name: Custos Family Office previously reported a position in SES as recently as Q4 2025.

Custos Family Office first reported a position in SES in Q3 2025 and has held it in 3 quarters since. The position peaked at $18K in Q4 2025. 130 funds tracked by Wall St. Rank hold SES as of Q2 2026.

  • Custos Family Office held 11,600 shares of SES AI worth $11.1K as of Q2 2026.
  • SES AI was a new Custos Family Office position in Q2 2026.
  • SES AI made up 0.01% of Custos Family Office's portfolio in Q2 2026, its #68 holding.
  • Custos Family Office first reported a position in SES AI in Q3 2025 and has held it in 3 quarters since.
  • Custos Family Office's SES AI position peaked at $18K in Q4 2025.
  • 130 funds tracked by Wall St. Rank held SES AI as of Q2 2026.

Based on Custos Family Office's 13F filing for Q2 2026, filed 19 Aug 2026.