Mariner
BXP icon

Mariner’s Boston Properties BXP Stock Holding History

Mariner’s Portfolio BXP Stock Details BXP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-17,660
Closed -$1.31M – 3571
2025
Q3 		$1.31M Buy
17,660
+7,850
+80% +$554K ﹤0.01% 1706
2025
Q2 		$662K Sell
9,810
-7,553
-44% -$503K ﹤0.01% 2113
2025
Q1 		$1.17M Sell
17,363
-186
-1% -$13K ﹤0.01% 1585
2024
Q4 		$1.3M Sell
17,549
-59
-0.3% -$4.79K ﹤0.01% 1466
2024
Q3 		$1.42M Buy
17,608
+1,368
+8% +$98K ﹤0.01% 1381
2024
Q2 		$1,000K Buy
16,240
+484
+3% +$29.6K ﹤0.01% 1498
2024
Q1 		$1.03M Sell
15,756
-439
-3% -$29.1K ﹤0.01% 1479
2023
Q4 		$1.14M Sell
16,195
-957
-6% -$56.5K ﹤0.01% 1351
2023
Q3 		$1.02M Buy
17,152
+2,875
+20% +$184K ﹤0.01% 1311
2023
Q2 		$822K Buy
14,277
+3,845
+37% +$200K ﹤0.01% 1420
2023
Q1 		$564K Buy
10,432
+3,684
+55% +$240K ﹤0.01% 1616
2022
Q4 		$456K Sell
6,748
-1,100
-14% -$78K ﹤0.01% 1712
2022
Q3 		$588K Buy
+7,848
New +$667K ﹤0.01% 1322

Other funds holding BXP

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
AAMU
APG Asset Management US New York $13B AUM 5.3% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mariner's BXP Position: Q4 2025 in Review

Mariner sold out of Boston Properties (BXP) in Q4 2025, closing a stake of 17,660 shares — an estimated $1.31M sold.

Mariner first reported a position in BXP in Q3 2022 and held it in 13 quarters. The position peaked at $1.42M in Q3 2024. 616 funds tracked by Wall St. Rank hold BXP as of Q4 2025.

  • Mariner reported no remaining Boston Properties position as of Q4 2025 after selling out during the quarter.
  • Mariner sold 17,660 Boston Properties shares in Q4 2025, an estimated $1.31M.
  • Mariner first reported a position in Boston Properties in Q3 2022 and held it in 13 quarters.
  • Mariner's Boston Properties position peaked at $1.42M in Q3 2024.
  • 616 funds tracked by Wall St. Rank held Boston Properties as of Q4 2025.

Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.