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CSS LLC’s iShares Bitcoin Trust IBIT Stock Holding History

CSS LLC’s Portfolio IBIT Stock Details IBIT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.31M Sell
34,000
-52,500
-61% -$2.27M 0.06% 245
2025
Q4 		$4.29M Buy
86,500
+22,500
+35% +$1.28M 0.19% 92
2025
Q3 		$4.16M Buy
64,000
+34,000
+113% +$2.21M 0.19% 96
2025
Q2 		$1.84M Buy
+30,000
New +$1.68M 0.09% 184

Other funds holding IBIT

BHCM
Brevan Howard Capital Management St. Helier, Jersey $11.3B AUM 35.84% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
AT
Avenir Tech Hong Kong $790M AUM 17.91% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
MIC
Mubadala Investment Company Abu Dhabi, United Arab Emirates $20.5B AUM 19.39% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ADIC
Abu Dhabi Investment Council Abu Dhabi, United Arab Emirates $975M AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
GD
Galaxy Digital New York $1.16B AUM

CSS LLC's IBIT Position: Q1 2026 in Review

CSS LLC increased its iShares Bitcoin Trust (IBIT) stake by 220% in Q1 2026, buying an estimated $1.87M and bringing the position to 62,811 shares worth $2.41M. The position accounts for 0.12% of the portfolio, ranked #146.

CSS LLC first reported a position in IBIT in Q1 2024 and has held it in 9 quarters since. The position peaked at $4.48M in Q3 2025. 1,535 funds tracked by Wall St. Rank hold IBIT as of Q1 2026.

  • CSS LLC held 62,811 shares of iShares Bitcoin Trust worth $2.41M as of Q1 2026.
  • CSS LLC bought 43,177 iShares Bitcoin Trust shares in Q1 2026, an estimated $1.87M.
  • iShares Bitcoin Trust made up 0.12% of CSS LLC's portfolio in Q1 2026, its #146 holding.
  • CSS LLC first reported a position in iShares Bitcoin Trust in Q1 2024 and has held it in 9 quarters since.
  • CSS LLC's iShares Bitcoin Trust position peaked at $4.48M in Q3 2025.
  • 1,535 funds tracked by Wall St. Rank held iShares Bitcoin Trust as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.