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Mariner Investment Group’s iShares Bitcoin Trust IBIT Stock Holding History

Mariner Investment Group’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
Q2 		$104M Hold
3,129,352
– – 22.49% 1
2026
Q1 		$120M Buy
3,129,352
+982,816
+46% +$42.6M 34.76% 1
2025
Q4 		$107M Buy
2,146,536
+131,442
+7% +$7.47M 6.22% 5
2025
Q3 		$131M Buy
2,015,094
+1,183,414
+142% +$77M 39.62% 1
2025
Q2 		$50.9M Buy
+831,680
New +$46.6M 18.07% 2

Other funds holding IBIT

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
MIC
Mubadala Investment Company Abu Dhabi, United Arab Emirates $34.8B AUM 107.63% 1-Year Est. Return
AT
Avenir Tech Hong Kong $671M AUM 36.63% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
GD
Galaxy Digital New York $1.7B AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Mariner Investment Group's IBIT Position: Q2 2026 in Review

Mariner Investment Group held its iShares Bitcoin Trust (IBIT) position steady in Q2 2026 at 3,129,352 shares worth $104M. The position accounts for 22.49% of the portfolio, ranked #1.

Mariner Investment Group first reported a position in IBIT in Q2 2025 and has held it in 5 quarters since. The position peaked at $131M in Q3 2025. 1,472 funds tracked by Wall St. Rank hold IBIT as of Q2 2026.

  • Mariner Investment Group held 3,129,352 shares of iShares Bitcoin Trust worth $104M as of Q2 2026.
  • Mariner Investment Group left its iShares Bitcoin Trust share count unchanged in Q2 2026.
  • iShares Bitcoin Trust made up 22.49% of Mariner Investment Group's portfolio in Q2 2026, its #1 holding.
  • Mariner Investment Group first reported a position in iShares Bitcoin Trust in Q2 2025 and has held it in 5 quarters since.
  • Mariner Investment Group's iShares Bitcoin Trust position peaked at $131M in Q3 2025.
  • 1,472 funds tracked by Wall St. Rank held iShares Bitcoin Trust as of Q2 2026.

Based on Mariner Investment Group's 13F filing for Q2 2026, filed 27 Jul 2026.