Mariner
BBUC

Mariner’s Brookfield Business Corp Class A Subordinate Voting Shares BBUC Stock Holding History

Mariner’s Portfolio BBUC Stock Details BBUC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$356K Sell
11,257
-842
-7% -$28.9K ﹤0.01% 2727
2025
Q4 		$434K Buy
12,099
+1,515
+14% +$53.1K ﹤0.01% 2551
2025
Q3 		$355K Buy
10,584
+254
+2% +$8.21K ﹤0.01% 2683
2025
Q2 		$322K Sell
10,330
-3,331
-24% -$91K ﹤0.01% 2671
2025
Q1 		$364K Buy
+13,661
New +$347K ﹤0.01% 2467
2024
Q4 		– Sell
-8,391
Closed -$213K – 3395
2024
Q3 		$213K Buy
+8,391
New +$185K ﹤0.01% 2895

Other funds holding BBUC

BC
Brookfield Corp Toronto, Ontario, Canada $74.2B AUM 0.68% 1-Year Est. Return
OAC
OMERS Administration Corp Toronto, Ontario, Canada $15.6B AUM 24.73% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
PVI
Partners Value Investments Hamilton, Bermuda $9.34B AUM 12.2% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $33.7B AUM 35.49% 1-Year Est. Return
PIC
PCJ Investment Counsel Toronto, Ontario, Canada $352M AUM 68.32% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
BGC
Beutel, Goodman & Co Toronto, Ontario, Canada $14.8B AUM 15.12% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Mariner's BBUC Position: Q1 2026 in Review

Mariner reduced its Brookfield Business Corp Class A Subordinate Voting Shares (BBUC) stake by 7% in Q1 2026, selling an estimated $28.9K and leaving 11,257 shares worth $356K. The position accounts for ﹤0.01% of the portfolio, ranked #2727.

Mariner first reported a position in BBUC in Q3 2024 and has held it in 6 quarters since. The position peaked at $434K in Q4 2025. 142 funds tracked by Wall St. Rank hold BBUC as of Q1 2026.

  • Mariner held 11,257 shares of Brookfield Business Corp Class A Subordinate Voting Shares worth $356K as of Q1 2026.
  • Mariner sold 842 Brookfield Business Corp Class A Subordinate Voting Shares shares in Q1 2026, an estimated $28.9K.
  • Brookfield Business Corp Class A Subordinate Voting Shares made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2727 holding.
  • Mariner first reported a position in Brookfield Business Corp Class A Subordinate Voting Shares in Q3 2024 and has held it in 6 quarters since.
  • Mariner's Brookfield Business Corp Class A Subordinate Voting Shares position peaked at $434K in Q4 2025.
  • 142 funds tracked by Wall St. Rank held Brookfield Business Corp Class A Subordinate Voting Shares as of Q1 2026.

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