BLACKROCK SCIENCE & TECHNOLO BSTZ
SHS BEN INT · Closed-End Fund · CUSIP 09260K101
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($605.5k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $18.11.
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 84 |
| Q4 2022 | 105 |
| Q1 2023 | 94 |
| Q2 2023 | 91 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 62 | 37 |
| Q1 2023 | 43 | 59 |
| Q2 2023 | 46 | 32 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $0 | $3.0k | — |
| Q4 2022 | $0 | $0 | — |
| Q1 2023 | $0 | $0 | — |
| Q2 2023 | $0 | $0 | — |
Biggest buyers
| HighTower Advisors, LLC | New | +137.8k |
| Thomas J. Herzfeld Advisors, Inc. | Added | +75.9k |
| WEDBUSH SECURITIES INC | Added | +54.9k |
| AQR Arbitrage LLC | Added | +52.4k |
| 1607 Capital Partners, LLC | Added | +50.0k |
| RPO LLC | New | +41.0k |
| WELLS FARGO & COMPANY/MN | Added | +25.8k |
| PFG Investments, LLC | New | +25.1k |
| Quarry LP | Added | +24.3k |
| CLOUGH CAPITAL PARTNERS L P | Added | +24.3k |
Biggest sellers
| MORGAN STANLEY | Reduced | -265.9k |
| SMITH, MOORE & CO. | Sold out | -182.9k |
| BANK OF AMERICA CORP /DE/ | Reduced | -96.1k |
| Logan Stone Capital, LLC | Sold out | -77.2k |
| JPMORGAN CHASE & CO | Sold out | -59.0k |
| Saba Capital Management, L.P. | Reduced | -57.1k |
| UBS Group AG | Reduced | -48.1k |
| STIFEL FINANCIAL CORP | Reduced | -30.1k |
| Invesco Ltd. | Reduced | -29.7k |
| BANK OF MONTREAL /CAN/ | Sold out | -29.5k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Saba Capital Management, L.P.
13D · may seek influence
+1.1 pts · filed 2026-03-17
Stated purposeNot Applicable. Full filing |
7.9% |
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| MORGAN STANLEY 0.01% of their portfolio | 3.8m $68.9m | Reduced -265.9k |
| UBS Group AG 0.01% of their portfolio | 1.3m $24.4m | Reduced -48.1k |
| Karpus Management, Inc. 0.72% of their portfolio | 1.3m $23.0m | Reduced -3.7k |
| Invesco Ltd. 0.01% of their portfolio | 1.1m $20.5m | Reduced -29.7k |
| RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio | 923.9k $16.7m | Added +13.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 705.4k $12.8m | Reduced -96.1k |
| 1607 Capital Partners, LLC 0.76% of their portfolio | 589.2k $10.7m | Added +50.0k |
| Saba Capital Management, L.P. 0.28% of their portfolio | 467.0k $8.5m | Reduced -57.1k |
| Raymond James Financial Services Advisors, Inc. 0.01% of their portfolio | 445.8k $8.1m | Added +17.4k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 384.1k $7.0m | Added +25.8k |
| WEDBUSH SECURITIES INC 0.33% of their portfolio | 376.4k $6.8m | Added +54.9k |
| Quantedge Capital Pte Ltd 2.79% of their portfolio | 346.0k $6.3m | Reduced -26.4k |
| LAZARD ASSET MANAGEMENT LLC 0.01% of their portfolio | 339.5k $6.1m | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 302.7k $5.5m | Reduced -19.1k |
| PREVAIL INNOVATIVE WEALTH ADVISORS, LLC 2.76% of their portfolio | 277.6k $5.0m | First filing |
| CLOUGH CAPITAL PARTNERS L P 0.45% of their portfolio | 247.9k $4.5m | Added +24.3k |
| CITY OF LONDON INVESTMENT MANAGEMENT CO LTD 0.33% of their portfolio | 226.0k $4.1m | Unchanged |
| LPL Financial LLC 0.00% of their portfolio | 210.7k $3.8m | Reduced -7.3k |
| Woodline Partners LP 0.03% of their portfolio | 162.1k $2.9m | Unchanged |
| HighTower Advisors, LLC 0.00% of their portfolio | 137.8k $2.5m | New |
| Rockefeller Capital Management L.P. 0.01% of their portfolio | 137.7k $2.5m | First filing |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 98.6k $1.8m | Reduced -30.1k |
| AQR Arbitrage LLC 0.08% of their portfolio | 97.8k $1.8m | Added +52.4k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 95.7k $1.7m | Added +6.9k |
| Claro Advisors Inc. 0.37% of their portfolio | 82.7k $1.5m | Added +104 |
| Matisse Capital 0.90% of their portfolio | 80.0k $1.4m | Unchanged |
| Thomas J. Herzfeld Advisors, Inc. 0.55% of their portfolio | 76.1k $1.4m | Added +75.9k |
| TRUIST FINANCIAL CORP 0.00% of their portfolio | 72.3k $1.3m | Added +1.8k |
| Steward Partners Investment Advisory, LLC 0.02% of their portfolio | 67.7k $1.2m | Added +4.8k |
| OPPENHEIMER & CO INC 0.02% of their portfolio | 63.2k $1.1m | Added +4.8k |
| J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio | 60.7k $1.1m | Reduced -8.4k |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 0.14% of their portfolio | 59.3k $1.1m | Added +10.6k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 57.0k $1.0m | Added +646 |
| NewEdge Wealth, LLC 0.03% of their portfolio | 53.9k $976.5k | Added +7.8k |
| Janney Montgomery Scott LLC 0.00% of their portfolio | 44.9k $813.0k | Reduced -6.2k |
| Baird Financial Group, Inc. 0.00% of their portfolio | 43.0k $778.9k | Added +2.1k |
| RPO LLC 0.76% of their portfolio | 41.0k $743.3k | New |
| Quarry LP 0.46% of their portfolio | 39.4k $714.3k | Added +24.3k |
| Dakota Wealth Management 0.03% of their portfolio | 33.7k $610.5k | Added +1.5k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 32.9k $596.1k | Added +65 |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 31.5k $570.8k | Added +1.2k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 29.3k $530.0k | Added +1.2k |
| NWF Advisory Services Inc. 0.11% of their portfolio | 26.0k $470.4k | Unchanged |
| INSIGNEO ADVISORY SERVICES, LLC 0.09% of their portfolio | 25.6k $464.4k | Reduced -5.2k |
| PFG Investments, LLC 0.08% of their portfolio | 25.1k $455.5k | New |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 25.0k $453.5k | Unchanged |
| FIRETHORN WEALTH PARTNERS, LLC 0.27% of their portfolio | 20.3k $366.9k | Added +363 |
| CENTAURUS FINANCIAL, INC. 0.03% of their portfolio | 20.3k $367.0k | Reduced -5.6k |
| Eudaimonia Partners, LLC 0.08% of their portfolio | 19.4k $350.6k | Added +730 |
| BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio | 18.5k $334.5k | New |
| Amplius Wealth Advisors, LLC 0.04% of their portfolio | 17.2k $311.6k | Reduced -8.7k |
| RAYMOND JAMES TRUST N.A. 0.01% of their portfolio | 16.8k $304.0k | Unchanged |
| Cetera Advisor Networks LLC 0.00% of their portfolio | 15.9k $288.0k | Unchanged |
| TRANSCEND CAPITAL ADVISORS, LLC 0.03% of their portfolio | 15.4k $278.5k | Added +186 |
| SeaCrest Wealth Management, LLC 0.03% of their portfolio | 15.1k $273.5k | Added +502 |
| Delta Investment Management, LLC 0.07% of their portfolio | 13.6k $246.3k | Unchanged |
| Atria Wealth Solutions, Inc. 0.00% of their portfolio | 13.6k $246.3k | Reduced -100 |
| Creative Planning 0.00% of their portfolio | 13.3k $241.1k | Added +115 |
| B. Riley Wealth Advisors, Inc. 0.01% of their portfolio | 13.3k $240.9k | Added +2.4k |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio | 12.7k $229.7k | New |
| SENTINEL TRUST CO LBA 0.03% of their portfolio | 12.7k $229.0k | Unchanged |
| Focus Financial Network, Inc. 0.01% of their portfolio | 12.4k $223.8k | Added +1.1k |
| WALLED LAKE PLANNING & WEALTH MANAGEMENT, LLC 0.10% of their portfolio | 11.8k $213.7k | Added +151 |
| Compound Planning, Inc. 0.09% of their portfolio | 11.5k $207.8k | Reduced -4.1k |
| WNY Asset Management, LLC 0.04% of their portfolio | 10.5k $190.2k | New |
| Stockman Wealth Management, Inc. 0.04% of their portfolio | 10.5k $189.6k | Reduced -3.8k |
| CITIGROUP INC 0.00% of their portfolio | 9.3k $168.6k | Reduced -2.3k |
| BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC 0.04% of their portfolio | 8.0k $145.5k | Added +711 |
| Parallel Advisors, LLC 0.00% of their portfolio | 5.1k $93.2k | Added +141 |
| BlackRock Inc. 0.00% of their portfolio | 5.0k $90.5k | Reduced -2.4k |
| Castleview Partners, LLC 0.08% of their portfolio | 4.7k $85.8k | Added +4.6k |
| Sunbelt Securities, Inc. 0.01% of their portfolio | 3.0k $54.3k | Unchanged |
| NewEdge Advisors, LLC 0.00% of their portfolio | 1.9k $34.9k | Added +426 |
| US BANCORP \DE\ 0.00% of their portfolio | 1.8k $31.7k | Reduced -950 |
| Anchor Investment Management, LLC 0.00% of their portfolio | 1.8k $31.7k | Unchanged |
| Aspire Private Capital, LLC 0.01% of their portfolio | 1.7k $31.2k | Added +47 |
| Clearstead Advisors, LLC 0.00% of their portfolio | 1.3k $23.9k | Unchanged |
| Focused Wealth Management, Inc 0.00% of their portfolio | 1.3k $23.3k | Added +3 |
| ICA Group Wealth Management, LLC 0.01% of their portfolio | 1.1k $20.3k | Unchanged |
| Ancora Advisors LLC 0.00% of their portfolio | 1.1k $20.0k | Unchanged |
| SIGNATUREFD, LLC 0.00% of their portfolio | 1.0k $18.1k | Unchanged |
| Retirement Group, LLC 0.01% of their portfolio | 982 $17.8k | Added +17 |
| JFS WEALTH ADVISORS, LLC 0.00% of their portfolio | 976 $17.7k | Added +13 |
| Larson Financial Group LLC 0.00% of their portfolio | 850 $15.4k | Added +150 |
| HHM Wealth Advisors, LLC 0.00% of their portfolio | 612 $11.1k | Unchanged |
| ARMSTRONG ADVISORY GROUP, INC 0.00% of their portfolio | 550 $10.0k | New |
| M&R CAPITAL MANAGEMENT INC 0.00% of their portfolio | 463 $8.4k | Reduced -442 |
| VALLEY NATIONAL ADVISERS INC 0.00% of their portfolio | 70 $2.0k | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 14 $253 | Unchanged |
| CWM, LLC 0.00% of their portfolio | 1 $0 | Unchanged |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |