Mariner
WSBF icon

Mariner’s Waterstone Financial WSBF Stock Holding History

Mariner’s Portfolio WSBF Stock Details WSBF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$465K Buy
22,417
+1,050
+5% +$19.6K ﹤0.01% 2506
2026
Q1 		$385K Buy
21,367
+1,887
+10% +$33.5K ﹤0.01% 2677
2025
Q4 		$322K Buy
19,480
+4,826
+33% +$75.7K ﹤0.01% 2778
2025
Q3 		$229K Buy
14,654
+3,612
+33% +$51.8K ﹤0.01% 3054
2025
Q2 		$152K Buy
+11,042
New +$141K ﹤0.01% 3136
2025
Q1 		– Sell
-10,035
Closed -$135K – 3603
2024
Q4 		$135K Sell
10,035
-186
-2% -$2.74K ﹤0.01% 3114
2024
Q3 		$151K Buy
10,221
+51
+0.5% +$738 ﹤0.01% 3008
2024
Q2 		$130K Sell
10,170
-597
-6% -$7.15K ﹤0.01% 2896
2024
Q1 		$131K Sell
10,767
-122
-1% -$1.55K ﹤0.01% 2874
2023
Q4 		$155K Buy
+10,889
New +$129K ﹤0.01% 2763
2023
Q1 		– Sell
-11,732
Closed -$202K – 2888
2022
Q4 		$202K Buy
11,732
+25
+0.2% +$419 ﹤0.01% 2360
2022
Q3 		$189K Buy
+11,707
New +$206K ﹤0.01% 2074

Other funds holding WSBF

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
CA
CSM Advisors Warrendale, Pennsylvania $4.68B AUM 43.65% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $5.69B AUM 60.64% 1-Year Est. Return

Mariner's WSBF Position: Q2 2026 in Review

Mariner increased its Waterstone Financial (WSBF) stake by 4.9% in Q2 2026, buying an estimated $19.6K and bringing the position to 22,417 shares worth $465K. The position accounts for ﹤0.01% of the portfolio, ranked #2506.

Mariner first reported a position in WSBF in Q3 2022 and has held it in 12 quarters since. 126 funds tracked by Wall St. Rank hold WSBF as of Q2 2026.

  • Mariner held 22,417 shares of Waterstone Financial worth $465K as of Q2 2026.
  • Mariner bought 1,050 Waterstone Financial shares in Q2 2026, an estimated $19.6K.
  • Waterstone Financial made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2506 holding.
  • Mariner first reported a position in Waterstone Financial in Q3 2022 and has held it in 12 quarters since.
  • 126 funds tracked by Wall St. Rank held Waterstone Financial as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.