Vault-13

BLACKROCK SCIENCE & TECHNOLO BSTZ

SHS BEN INT · Closed-End Fund · CUSIP 09260K101

99 institutional holders +0 vs Q1 2024
26,004,21026.0m shares reported held*
$517.7mreported value*
14 new 34 added 34 reduced 14 sold out net sold ≈ $81.3m (-4.1m shares)

* 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. Holder counts are more reliable. Implied quarter-end price ≈ $19.91.

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 84Q4 22: 105Q1 23: 94Q2 23: 91Q3 23: 105Q4 23: 108Q1 24: 99Q2 24: 9999Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202284
Q4 2022105
Q1 202394
Q2 202391
Q3 2023105
Q4 2023108
Q1 202499
Q2 202499

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 22: 62 bought or addedQ4 22: 37 cut or sold outQ4 22Q1 23: 43 bought or addedQ1 23: 59 cut or sold outQ2 23: 46 bought or addedQ2 23: 32 cut or sold outQ2 23Q3 23: 65 bought or addedQ3 23: 30 cut or sold outQ4 23: 56 bought or addedQ4 23: 47 cut or sold outQ4 23Q1 24: 54 bought or addedQ1 24: 47 cut or sold outQ2 24: 48 bought or addedQ2 24: 48 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20226237
Q1 20234359
Q2 20234632
Q3 20236530
Q4 20235647
Q1 20245447
Q2 20244848

Biggest buyers

Saba Capital Management, L.P. Added +1,259,189+1.3m
Atlas Wealth LLC New +474,224+474.2k
RIVERNORTH CAPITAL MANAGEMENT, LLC Added +447,175+447.2k
FLAGSHIP HARBOR ADVISORS, LLC New +326,375+326.4k
Potrero Capital Research LLC Added +209,857+209.9k
Karpus Management, Inc. Added +109,846+109.8k
SIT INVESTMENT ASSOCIATES INC New +88,967+89.0k
WEDBUSH SECURITIES INC Added +80,260+80.3k
Thomas J. Herzfeld Advisors, Inc. Added +71,328+71.3k
WNY Asset Management, LLC Added +30,095+30.1k

Biggest sellers

MORGAN STANLEY Reduced -6,049,006-6.0m
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Sold out -234,361-234.4k
RPO LLC Sold out -231,568-231.6k
Quantedge Capital Pte Ltd Reduced -201,895-201.9k
BOOTHBAY FUND MANAGEMENT, LLC Sold out -104,206-104.2k
UBS Group AG Reduced -77,209-77.2k
HighTower Advisors, LLC Reduced -64,199-64.2k
Qube Research & Technologies Ltd Sold out -50,547-50.5k
1607 Capital Partners, LLC Reduced -43,625-43.6k
Matisse Capital Reduced -41,600-41.6k

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.

HolderStakeChangeShares Last filed
Saba Capital Management, L.P. 13D · may seek influence +1.1 pts · filed 2026-03-17
Stated purposeNot Applicable. Full filing
 7.9% +1.1 pts 5.5m≈ $163.9m 2026-03-17

Insider purchases and sales in Q2 2024

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 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Saba Capital Management, L.P. 3.14% of their portfolio NEW YORK, NY 7,179,6647.2m $142.9m $142.9m 3.14% Added +1.3m +1,259,189
2 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 3,037,1633.0m $60.5m $60.5m 0.00% Reduced -6.0m -6,049,006
3 RIVERNORTH CAPITAL MANAGEMENT, LLC 1.63% of their portfolio WEST PALM BEACH, FL 1,735,2941.7m $34.5m $34.5m 1.63% Added +447.2k +447,175
4 Karpus Management, Inc. 0.74% of their portfolio Pittsford, NY 1,312,4231.3m $26.1m $26.1m 0.74% Added +109.8k +109,846
5 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 1,091,2591.1m $21.7m $21.7m 0.00% Reduced -23.8k -23,778
6 UBS Group AG 0.01% of their portfolio ZURICH, V8 1,078,7021.1m $21.5m $21.5m 0.01% Reduced -77.2k -77,209
7 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 939,506939.5k $18.7m $18.7m 0.01% Added +28.5k +28,494
8 Potrero Capital Research LLC 7.28% of their portfolio SAN FRANCISCO, CA 848,443848.4k $16.9m $16.9m 7.28% Added +209.9k +209,857
9 1607 Capital Partners, LLC 1.25% of their portfolio Richmond, VA 701,342701.3k $14.0m $14.0m 1.25% Reduced -43.6k -43,625
10 WEDBUSH SECURITIES INC 0.49% of their portfolio PASADENA, CA 683,666683.7k $13.6m $13.6m 0.49% Added +80.3k +80,260
11 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 619,389619.4k $12.3m $12.3m 0.00% Added +123 +123
12 AQR Arbitrage LLC 0.32% of their portfolio Greenwich, CT 617,151617.2k $12.3m $12.3m 0.32% Reduced -34.4k -34,357
13 LAZARD ASSET MANAGEMENT LLC 0.02% of their portfolio NEW YORK, NY 615,054615.1k $12.2m $12.2m 0.02% Unchanged
14 Raymond James Financial Services Advisors, Inc. 0.01% of their portfolio ST. PETERSBURG, FL 520,023520.0k $10.4m $10.4m 0.01% Reduced -1.3k -1,282
15 Atlas Wealth LLC 1.14% of their portfolio CINCINNATI, OH 474,224474.2k $9.7m $9.7m 1.14% New
16 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 473,555473.6k $9.4m $9.4m 0.00% Added +8.6k +8,639
17 FLAGSHIP HARBOR ADVISORS, LLC 0.39% of their portfolio BOSTON, MA 326,375326.4k $6.5m $6.5m 0.39% New
18 Quantedge Capital Pte Ltd 1.77% of their portfolio Singapore, U0 245,575245.6k $4.9m $4.9m 1.77% Reduced -201.9k -201,895
19 Thomas J. Herzfeld Advisors, Inc. 1.53% of their portfolio MIAMI BEACH, FL 219,390219.4k $4.4m $4.4m 1.53% Added +71.3k +71,328
20 Alpine Global Management, LLC 0.68% of their portfolio NEW YORK, NY 195,000195.0k $3.9m $3.9m 0.68% Added +28.0k +28,000
21 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.01% of their portfolio PLYMOUTH, MN 187,130187.1k $3.7m $3.7m 0.01% Reduced -4.7k -4,730
22 CITY OF LONDON INVESTMENT MANAGEMENT CO LTD 0.32% of their portfolio London, X0 186,268186.3k $3.7m $3.7m 0.32% Reduced -38.5k -38,474
23 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 175,304175.3k $3.5m $3.5m 0.00% Reduced -31.1k -31,111
24 BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC 0.65% of their portfolio BLUE BELL, PA 158,947158.9k $3.2m $3.2m 0.65% Added +29.9k +29,880
25 LM Advisors LLC 0.10% of their portfolio SAN DIEGO, CA 139,700139.7k $2.8m $2.8m 0.10% Reduced -6.5k -6,539
26 Sanctuary Advisors, LLC 0.02% of their portfolio INDIANAPOLIS, IN 125,753125.8k $2.2m $2.2m 0.02% First filing
27 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 124,734124.7k $2.5m $2.5m 0.00% Added +9.7k +9,708
28 OPPENHEIMER & CO INC 0.04% of their portfolio NEW YORK, NY 116,830116.8k $2.3m $2.3m 0.04% Reduced -5.1k -5,068
29 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 107,585107.6k $2.1m $2.1m 0.00% Reduced -2.6k -2,561
30 INTRINSIC EDGE CAPITAL MANAGEMENT LLC 0.19% of their portfolio CHICAGO, IL 100,000100.0k $2.0m $2.0m 0.19% Unchanged
31 Matisse Capital 0.97% of their portfolio PORTLAND, OR 98,40098.4k $2.0m $2.0m 0.97% Reduced -41.6k -41,600
32 SIT INVESTMENT ASSOCIATES INC 0.04% of their portfolio Minneapolis, MN 88,96789.0k $1.8m $1.8m 0.04% New
33 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 87,08787.1k $1.7m $1.7m 0.00% Reduced -8.7k -8,706
34 Skyline Advisors, Inc. 0.75% of their portfolio BELLINGHAM, WA 86,96887.0k $1.7m $1.7m 0.75% Added +765 +765
35 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 82,42682.4k $1.6m $1.6m 0.00% Reduced -18.0k -18,044
36 Flow State Investments, L.P. 0.50% of their portfolio CHICAGO, IL 79,22179.2k $1.6m $1.6m 0.50% Added +12.4k +12,439
37 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 74,39474.4k $1.5m $1.5m 0.00% Reduced -64.2k -64,199
38 Steward Partners Investment Advisory, LLC 0.02% of their portfolio STAMFORD, CT 71,99072.0k $1.4m $1.4m 0.02% Added +806 +806
39 HBK INVESTMENTS L P 0.03% of their portfolio DALLAS, TX 66,66866.7k $1.3m $1.3m 0.03% Not comparable
40 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 62,93262.9k $1.3m $1.3m 0.00% Reduced -11.7k -11,659
41 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 62,37762.4k $1.2m $1.2m 0.00% Added +7.0k +6,954
42 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 62,02262.0k $1.2m $1.2m 0.00% Reduced -2.0k -1,976
43 TRUIST FINANCIAL CORP 0.00% of their portfolio CHARLOTTE, NC 56,97657.0k $1.1m $1.1m 0.00% Added +531 +531
44 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 49,60349.6k $988.0k $988.0k 0.00% Added +5.9k +5,858
45 Claro Advisors Inc. 0.15% of their portfolio BOSTON, MA 49,48349.5k $985.2k $985.2k 0.15% Reduced -39.6k -39,613
46 WNY Asset Management, LLC 0.11% of their portfolio Williamsville, NY 42,47542.5k $845.7k $845.7k 0.11% Added +30.1k +30,095
47 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 40,18940.2k $800.2k $800.2k 0.00% Added +8.2k +8,165
48 NewEdge Wealth, LLC 0.02% of their portfolio STAMFORD, CT 39,93339.9k $795.1k $795.1k 0.02% Reduced -1.5k -1,500
49 PFG Investments, LLC 0.05% of their portfolio WOODBURY, NY 37,24937.2k $741.6k $741.6k 0.05% Reduced -3.3k -3,287
50 Dakota Wealth Management 0.02% of their portfolio PALM BEACH GARDENS, FL 35,91535.9k $715.1k $715.1k 0.02% Added +710 +710
51 Mathes Company, Inc. 0.16% of their portfolio New York, NY 21,95021.9k $437.0k $437.0k 0.16% Added +750 +750
52 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 21,19221.2k $421.9k $421.9k 0.00% Reduced -673 -673
53 NWF Advisory Services Inc. 0.07% of their portfolio Los Angeles, CA 20,88520.9k $415.8k $415.8k 0.07% Reduced -173 -173
54 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 19,65919.7k $391.4k $391.4k 0.00% Reduced -847 -847
55 CSS LLC/IL 0.03% of their portfolio CHICAGO, IL 17,30017.3k $344.4k $344.4k 0.03% New
56 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 17,27417.3k $343.9k $343.9k 0.00% Reduced -3.6k -3,605
57 Virtu Financial LLC 0.02% of their portfolio New York, NY 17,09117.1k $340.0k $340.0k 0.02% New
58 Atria Wealth Solutions, Inc. 0.00% of their portfolio NEW YORK, NY 16,80016.8k $334.5k $334.5k 0.00% Added +2.1k +2,150
59 Amplius Wealth Advisors, LLC 0.04% of their portfolio BLUE BELL, PA 16,75916.8k $333.7k $333.7k 0.04% Added +66 +66
60 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 15,81415.8k $314.9k $314.9k 0.00% Reduced -5.0k -5,028
61 Focus Financial Network, Inc. 0.01% of their portfolio MINNEAPOLIS, MN 14,52214.5k $289.1k $289.1k 0.01% Added +231 +231
62 Delta Investment Management, LLC 0.06% of their portfolio SAN FRANCISCO, CA 13,60013.6k $270.8k $270.8k 0.06% Unchanged
63 Advisory Services Network, LLC 0.01% of their portfolio ATLANTA, GA 12,95913.0k $258.0k $258.0k 0.01% New
64 INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio ORLANDO, FL 12,81512.8k $255.2k $255.2k 0.02% Added +500 +500
65 Concurrent Investment Advisors, LLC 0.01% of their portfolio Tampa, FL 12,49912.5k $248.9k $248.9k 0.01% Unchanged
66 B. Riley Wealth Advisors, Inc. 0.01% of their portfolio MEMPHIS, TN 12,10412.1k $241.1k $241.1k 0.01% Reduced -3.5k -3,490
67 Sunbelt Securities, Inc. 0.02% of their portfolio HOUSTON, TX 12,06312.1k $240.2k $240.2k 0.02% Added +78 +78
68 ABSOLUTE INVESTMENT ADVISERS, LLC 0.03% of their portfolio ROSEMARY BEACH, FL 11,84311.8k $235.8k $235.8k 0.03% New
69 SENTINEL TRUST CO LBA 0.03% of their portfolio HOUSTON, TX 11,82111.8k $235.0k $235.0k 0.03% Reduced -835 -835
70 Stockman Wealth Management, Inc. 0.04% of their portfolio BILLINGS, MT 10,89610.9k $216.9k $216.9k 0.04% Added +31 +31
71 Mariner, LLC 0.00% of their portfolio Overland Park, KS 10,85210.9k $216.1k $216.1k 0.00% New
72 MOSAIC FINANCIAL GROUP, LLC 0.14% of their portfolio CHICAGO, IL 10,00010.0k $199.0k $199.0k 0.14% Unchanged
73 Painted Porch Advisors LLC 0.11% of their portfolio SANTA BARBARA, CA 9,8689.9k $196.5k $196.5k 0.11% New
74 Quarry LP 0.04% of their portfolio NEW YORK, NY 8,6888.7k $173.0k $173.0k 0.04% New
75 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 8,5588.6k $170.4k $170.4k 0.00% Added +938 +938
76 Register Financial Advisors LLC 0.07% of their portfolio ATLANTA, GA 6,8806.9k $137.0k $137.0k 0.07% Added +148 +148
77 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 5,6045.6k $111.6k $111.6k 0.00% Added +121 +121
78 BlackRock Inc. 0.00% of their portfolio New York, NY 5,0005.0k $99.5k $99.5k 0.00% Unchanged
79 SALEM INVESTMENT COUNSELORS INC 0.00% of their portfolio WINSTON-SALEM, NC 2,8062.8k $55.9k $55.9k 0.00% New
80 COMERICA BANK 0.00% of their portfolio DALLAS, TX 2,2912.3k $45.6k $45.6k 0.00% Added +57 +57
81 LANARK FINANCIAL, INC. 0.00% of their portfolio BIRMINGHAM, AL 2,2602.3k $45.0k $45.0k 0.00% Reduced -59 -59
82 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 1,7501.8k $34.8k $34.8k 0.00% Unchanged
83 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 1,6301.6k $32.5k $32.5k 0.00% New
84 Aspire Private Capital, LLC 0.01% of their portfolio Cornelius, NC 1,3451.3k $26.8k $26.8k 0.01% Reduced -489 -489
85 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 1,0001.0k $19.9k $19.9k 0.00% Unchanged
86 Larson Financial Group LLC 0.00% of their portfolio ST LOUIS, MO 860860 $17.1k $17.1k 0.00% Unchanged
87 United Community Bank 0.01% of their portfolio GREENVILLE, SC 785785 $15.6k $15.6k 0.01% New
88 JFS WEALTH ADVISORS, LLC 0.00% of their portfolio HERMITAGE, PA 771771 $15.4k $15.4k 0.00% Reduced -234 -234
89 ICA Group Wealth Management, LLC 0.01% of their portfolio DENVER, CO 560560 $11.2k $11.2k 0.01% Reduced -560 -560
90 ARMSTRONG ADVISORY GROUP, INC 0.00% of their portfolio NEEDHAM, MA 550550 $11.0k $11.0k 0.00% Unchanged
91 CIBC Private Wealth Group LLC 0.00% of their portfolio ATLANTA, GA 536536 $10.9k $10.9k 0.00% Added +50 +50
92 PRINCIPAL SECURITIES, INC. 0.00% of their portfolio DES MOINES, IA 327327 $6.5k $6.5k 0.00% Added +7 +7
93 Ancora Advisors LLC 0.00% of their portfolio Cleveland, OH 180180 $3.6k $3.6k 0.00% Unchanged
94 VALLEY NATIONAL ADVISERS INC 0.00% of their portfolio BETHLEHEM, PA 175175 $3.0k $3.0k 0.00% Unchanged
95 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 175175 $3.5k $3.5k 0.00% New
96 ASSETMARK, INC 0.00% of their portfolio CONCORD, CA 173173 $3.4k $3.4k 0.00% Unchanged
97 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 1515 $296 $296 0.00% Unchanged
98 CWM, LLC 0.00% of their portfolio OMAHA, NE 11 $0 $0 0.00% Reduced -200 -200
99 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged