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BSTZ · BlackRock Science & Technology Term Trust

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$30.65 -0.40 (-1.29%)
Market Cap
$2.15B
Shares
68.74M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 152
Total Value: $659,585,326
Total Shares: 21,964,216
Showing 1–100 of 152 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 152 13F filers · Δ vs Mar 31, 2026
Top Holder
25.9%
Sep 2023 → Jun 2026 · range 17.1% – 27.8%
−0.4 pts
Top 5
57.7%
Sep 2023 → Jun 2026 · range 48.3% – 60.0%
−2.3 pts
Top 10
74.6%
Sep 2023 → Jun 2026 · range 65.7% – 77.2%
−2.6 pts
HHI
1,075
Sep 2023 → Jun 2026 · range 711 – 1,139
Broadly held−64

Quarterly Activity

vs Mar 31, 2026
New
27
Increased
58
Decreased
37
Sold Out
9
Unchanged
30
Holder count: +18
Institutional value: +41.7%
Shares held: +4.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 152
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1768666 CUSIP 09260K101 13F (30d) 95 filings 95 filers Visit website Investor relations