MHR
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Matthew Hamilton Rosenberg’s Blackrock BLK Stock Holding History

Matthew Hamilton Rosenberg’s Portfolio BLK Stock Details BLK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$326K Buy
339
+18
+6% +$18.6K 0.06% 154
2026
Q1 		$309K Hold
321
– – 0.06% 144
2025
Q4 		$344K Hold
321
– – 0.07% 129
2025
Q3 		$374K Hold
321
– – 0.08% 118
2025
Q2 		$337K Buy
321
+11
+4% +$10.4K 0.08% 126
2025
Q1 		$293K Buy
310
+2
+0.6% +$1.96K 0.07% 132
2024
Q4 		$316K Sell
308
-3
-1% -$3.04K 0.08% 119
2024
Q3 		$295K Hold
311
– – 0.08% 133
2024
Q2 		$243K Buy
311
+13
+4% +$10.1K 0.07% 152
2024
Q1 		$246K Sell
298
-7
-2% -$5.62K 0.07% 154
2023
Q4 		$248K Buy
305
+7
+2% +$4.89K 0.08% 143
2023
Q3 		$193K Sell
298
-11
-4% -$7.68K 0.06% 166
2023
Q2 		$214K Sell
309
-27
-8% -$18.1K 0.07% 160
2023
Q1 		$225K Hold
336
– – 0.07% 168
2022
Q4 		$238K Buy
336
+11
+3% +$7.34K 0.08% 155
2022
Q3 		$179K Buy
325
+15
+5% +$9.82K 0.07% 177
2022
Q2 		$191K Buy
310
+25
+9% +$16.3K 0.07% 176
2022
Q1 		$218K Hold
285
– – 0.08% 175
2021
Q4 		$261K Hold
285
– – 0.09% 141
2021
Q3 		$239K Buy
285
+28
+11% +$25.1K 0.09% 140
2021
Q2 		$225K Hold
257
– – 0.12% 117
2021
Q1 		$194K Hold
257
– – 0.11% 126
2020
Q4 		$185K Hold
257
– – 0.12% 123
2020
Q3 		$145K Hold
257
– – 0.11% 126
2020
Q2 		$140K Hold
257
– – 0.11% 121
2020
Q1 		$114K Buy
+257
New +$127K 0.11% 104

Other funds holding BLK

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Matthew Hamilton Rosenberg's BLK Position: Q2 2026 in Review

Matthew Hamilton Rosenberg increased its Blackrock (BLK) stake by 5.6% in Q2 2026, buying an estimated $18.6K and bringing the position to 339 shares worth $326K. The position accounts for 0.06% of the portfolio, ranked #154.

Matthew Hamilton Rosenberg first reported a position in BLK in Q1 2020 and has held it in 26 quarters since. The position peaked at $374K in Q3 2025. 2,322 funds tracked by Wall St. Rank hold BLK as of Q2 2026.

  • Matthew Hamilton Rosenberg held 339 shares of Blackrock worth $326K as of Q2 2026.
  • Matthew Hamilton Rosenberg bought 18 Blackrock shares in Q2 2026, an estimated $18.6K.
  • Blackrock made up 0.06% of Matthew Hamilton Rosenberg's portfolio in Q2 2026, its #154 holding.
  • Matthew Hamilton Rosenberg first reported a position in Blackrock in Q1 2020 and has held it in 26 quarters since.
  • Matthew Hamilton Rosenberg's Blackrock position peaked at $374K in Q3 2025.
  • 2,322 funds tracked by Wall St. Rank held Blackrock as of Q2 2026.

Based on Matthew Hamilton Rosenberg's 13F filing for Q2 2026, filed 17 Jul 2026.