Mariner
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Mariner’s Sidus Space SIDU Stock Holding History

Mariner’s Portfolio SIDU Stock Details SIDU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-22,044
Closed -$69.2K – 3795
2025
Q4 		$69.2K Buy
+22,044
New +$25.4K ﹤0.01% 3383

Other funds holding SIDU

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
PCM
Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FIA
Foundations Investment Advisors Phoenix, Arizona $8.07B AUM 24.97% 1-Year Est. Return
SH
SLT Holdings Scottsdale, Arizona $160M AUM 52.3% 1-Year Est. Return

Mariner's SIDU Position: Q1 2026 in Review

Mariner sold out of Sidus Space (SIDU) in Q1 2026, closing a stake of 22,044 shares — an estimated $69.2K sold.

Mariner first reported a position in SIDU in Q4 2025 and held it in 1 quarter. The position peaked at $69.2K in Q4 2025. 61 funds tracked by Wall St. Rank hold SIDU as of Q1 2026.

  • Mariner reported no remaining Sidus Space position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 22,044 Sidus Space shares in Q1 2026, an estimated $69.2K.
  • Mariner first reported a position in Sidus Space in Q4 2025 and held it in 1 quarter.
  • Mariner's Sidus Space position peaked at $69.2K in Q4 2025.
  • 61 funds tracked by Wall St. Rank held Sidus Space as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.