Mariner
IBIT icon

Mariner’s iShares Bitcoin Trust IBIT Stock Holding History

Mariner’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 		$36.6M Buy
951,784
+23,793
+3% +$1.03M 0.04% 325
2025
Q4 		$46.1M Buy
927,991
+235,076
+34% +$13.4M 0.05% 272
2025
Q3 		$45M Buy
692,915
+117,266
+20% +$7.63M 0.06% 263
2025
Q2 		$35.2M Buy
575,649
+44,715
+8% +$2.51M 0.05% 289
2025
Q1 		$24.9M Buy
530,934
+85,960
+19% +$4.55M 0.04% 337
2024
Q4 		$23.6M Buy
444,974
+285,162
+178% +$13.5M 0.04% 341
2024
Q3 		$5.77M Buy
159,812
+32,939
+26% +$1.14M 0.01% 731
2024
Q2 		$4.33M Buy
126,873
+53,322
+72% +$1.99M 0.01% 783
2024
Q1 		$2.98M Buy
+73,551
New +$2.29M 0.01% 924

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

Mariner's IBIT Position: Q1 2026 in Review

Mariner increased its iShares Bitcoin Trust (IBIT) stake by 2.6% in Q1 2026, buying an estimated $1.03M and bringing the position to 951,784 shares worth $36.6M. The position accounts for 0.04% of the portfolio, ranked #325.

Mariner first reported a position in IBIT in Q1 2024 and has held it in 9 quarters since. The position peaked at $46.1M in Q4 2025. 1,535 funds tracked by Wall St. Rank hold IBIT as of Q1 2026.

  • Mariner held 951,784 shares of iShares Bitcoin Trust worth $36.6M as of Q1 2026.
  • Mariner bought 23,793 iShares Bitcoin Trust shares in Q1 2026, an estimated $1.03M.
  • iShares Bitcoin Trust made up 0.04% of Mariner's portfolio in Q1 2026, its #325 holding.
  • Mariner first reported a position in iShares Bitcoin Trust in Q1 2024 and has held it in 9 quarters since.
  • Mariner's iShares Bitcoin Trust position peaked at $46.1M in Q4 2025.
  • 1,535 funds tracked by Wall St. Rank held iShares Bitcoin Trust as of Q1 2026.

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