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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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BlackRock

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  • Asset Manager · CIK 0002012383
  • Mega-Fund

BlackRock, an asset manager overseeing $5.89T in disclosed equity holdings (SEC CIK 0002012383). The latest portfolio (2025Q4) discloses 5484 positions across 11 sectors, with the largest positions in NVDA, AAPL and MSFT. On a mark-to-market basis the tracked portfolio has returned 20.8% since 2024Q3. OpenStocks tracks 6 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track BlackRock's filingsView holdings↓
Portfolio
$5.89T
Positions
5484
Quarter
2025Q4
Filings tracked
6
Since filing+20.8%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q3

Not enough filing history to compute mark-to-market returns for BlackRock.

We need at least one year of portfolio coverage with priceable positions.

Performance overview

We mark BlackRock's disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). BlackRock’s portfolio is 20.8% since 2024Q3.

Portfolio growth vs SPY
Rebased to 100 at 2024Q3 · through 2025Q4
BlackRock
+31.6%
SPY
+20.7%
Alpha
+11.0pp
951051151251352024Q32025Q12025Q4
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
+$201.75B+$100.88B$0-$100.88B-$201.75B'24Q4'25Q1'25Q2'25Q3'25Q4
Latest · 2025Q4
+$140.27B
Lifetime buys
$725.13B
Lifetime sells
$346.80B
Portfolio over time
AUMPositions
$0$1.94T$3.89T$5.89T54845171'24Q3'25Q1'25Q4
QoQ AUM
+3.7%
6Q lifetime AUM
+23.9%
QoQ positions
+87
6Q lifetime positions
+313
Position concentration
5484 positions
Top 1
6%
of book
  • Top 16%$362.52BNVDA
  • Top 2-516%$912.85BAAPL, MSFT, AMZN
  • Top 6-109%$524.08BAVGO, GOOG, META
  • Top 11-208%$460.96BJPM, BRK.B, IVV
  • Rest62%$3.63TRest of port