Vault-13

BLACKROCK SCIENCE & TECHNOLO BST

SHS · Closed-End Fund · CUSIP 09258G104

129 institutional holders +7 vs Q1 2025
7,236,6947.2m shares reported held*
$276.3mreported value*
15 new 61 added 24 reduced 10 sold out net bought ≈ $16.7m (+438.8k 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 ≈ $38.18.

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 88Q4 22: 97Q1 23: 96Q2 23: 94Q3 23: 102Q4 23: 109Q1 24: 107Q2 24: 112Q3 24: 119Q4 24: 122Q1 25: 122Q2 25: 129129Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202288
Q4 202297
Q1 202396
Q2 202394
Q3 2023102
Q4 2023109
Q1 2024107
Q2 2024112
Q3 2024119
Q4 2024122
Q1 2025122
Q2 2025129

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 23: 46 bought or addedQ3 23: 35 cut or sold outQ4 23: 50 bought or addedQ4 23: 44 cut or sold outQ4 23Q1 24: 49 bought or addedQ1 24: 48 cut or sold outQ2 24: 46 bought or addedQ2 24: 48 cut or sold outQ2 24Q3 24: 61 bought or addedQ3 24: 42 cut or sold outQ4 24: 52 bought or addedQ4 24: 52 cut or sold outQ4 24Q1 25: 57 bought or addedQ1 25: 49 cut or sold outQ2 25: 76 bought or addedQ2 25: 34 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20234635
Q4 20235044
Q1 20244948
Q2 20244648
Q3 20246142
Q4 20245252
Q1 20255749
Q2 20257634

Biggest buyers

ROYAL BANK OF CANADA Added +295,398+295.4k
NFSG Corp New +68,399+68.4k
WELLS FARGO & COMPANY/MN Added +47,566+47.6k
Balyasny Asset Management L.P. New +37,096+37.1k
Shaker Financial Services, LLC Added +27,297+27.3k
RAYMOND JAMES FINANCIAL INC Added +24,328+24.3k
Karpus Management, Inc. Added +22,215+22.2k
Mission Hills Financial Advisory, LLC New +13,402+13.4k
WOLVERINE ASSET MANAGEMENT LLC New +13,153+13.2k
Abel Hall, LLC New +13,000+13.0k

Biggest sellers

Invesco Ltd. Reduced -61,265-61.3k
1607 Capital Partners, LLC Reduced -26,611-26.6k
IHT Wealth Management, LLC Sold out -23,961-24.0k
WEDBUSH SECURITIES INC Reduced -21,766-21.8k
MORGAN STANLEY Reduced -19,179-19.2k
Cambridge Investment Research Advisors, Inc. Reduced -18,670-18.7k
Virtu Financial LLC Sold out -17,718-17.7k
Marex Group Ltd Sold out -15,772-15.8k
JANE STREET GROUP, LLC Reduced -10,140-10.1k
AMERIPRISE FINANCIAL INC Reduced -9,840-9.8k

Insider purchases and sales in Q2 2025

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.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24Q3 24: 0 buyingQ3 24: 0 sellingQ4 24: 1 buyingQ4 24: 0 sellingQ4 24Q1 25: 0 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—0——
Q1 20240—0——
Q2 20240—0——
Q3 20240—0——
Q4 20241$1.1k0——
Q1 20250—0——
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,281,1941.3m $48.9m $48.9m 0.00% Reduced -19.2k -19,179
2 RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio ST. PETERSBURG, FL 1,045,9021.0m $39.9m $39.9m 0.01% Added +24.3k +24,328
3 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 592,224592.2k $22.6m $22.6m 0.00% Added +295.4k +295,398
4 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 434,074434.1k $16.6m $16.6m 0.00% Reduced -9.8k -9,840
5 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 432,215432.2k $16.5m $16.5m 0.00% Reduced -61.3k -61,265
6 Karpus Management, Inc. 0.40% of their portfolio Pittsford, NY 322,983323.0k $12.3m $12.3m 0.40% Added +22.2k +22,215
7 1607 Capital Partners, LLC 0.88% of their portfolio Richmond, VA 284,950284.9k $10.9m $10.9m 0.88% Reduced -26.6k -26,611
8 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 260,467260.5k $9.9m $9.9m 0.00% Added +10.6k +10,603
9 WEDBUSH SECURITIES INC 0.29% of their portfolio PASADENA, CA 220,815220.8k $8.4m $8.4m 0.29% Reduced -21.8k -21,766
10 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 192,302192.3k $7.3m $7.3m 0.00% Added +2.5k +2,502
11 Steward Partners Investment Advisory, LLC 0.05% of their portfolio STAMFORD, CT 169,148169.1k $6.5m $6.5m 0.05% Reduced -579 -579
12 Janney Montgomery Scott LLC 0.01% of their portfolio PHILADELPHIA, PA 148,438148.4k $5.7m $5.7m 0.01% Added +602 +602
13 OSAIC HOLDINGS, INC. 0.01% of their portfolio SCOTTSDALE, AZ 148,258148.3k $5.7m $5.7m 0.01% Added +12.9k +12,948
14 UBS Group AG 0.00% of their portfolio ZURICH, V8 123,252123.3k $4.7m $4.7m 0.00% Added +8.6k +8,602
15 Cornerstone Advisors, LLC 0.11% of their portfolio ASHEVILLE, NC 87,52587.5k $3.3m $3.3m 0.11% Added +3.3k +3,284
16 NWF Advisory Services Inc. 0.35% of their portfolio Los Angeles, CA 76,73576.7k $2.9m $2.9m 0.35% Added +1.7k +1,735
17 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 70,66370.7k $2.7m $2.7m 0.00% Reduced -571 -571
18 NFSG Corp 0.42% of their portfolio BOCA RATON, FL 68,39968.4k $2.6m $2.6m 0.42% New
19 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 67,21867.2k $2.6m $2.6m 0.00% Added +47.6k +47,566
20 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 59,46559.5k $2.3m $2.3m 0.00% Added +4.8k +4,810
21 Wealthspire Retirement, LLC 0.15% of their portfolio ALISO VIEJO, CA 58,52758.5k $2.2m $2.2m 0.15% Reduced -1.1k -1,140
22 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 49,87149.9k $1.9m $1.9m 0.00% Added +1.8k +1,768
23 Cambridge Investment Research Advisors, Inc. 0.01% of their portfolio FAIRFIELD, IA 46,04346.0k $1.8m $1.8m 0.01% Reduced -18.7k -18,670
24 OPPENHEIMER & CO INC 0.02% of their portfolio NEW YORK, NY 44,40744.4k $1.7m $1.7m 0.02% Added +1.6k +1,592
25 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 39,89739.9k $1.5m $1.5m 0.00% Reduced -566 -566
26 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 37,09637.1k $1.4m $1.4m 0.00% New
27 Shaker Financial Services, LLC 0.50% of their portfolio Arlington, VA 36,01436.0k $1.4m $1.4m 0.50% Added +27.3k +27,297
28 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 35,41335.4k $1.4m $1.4m 0.00% Added +519 +519
29 J.W. COLE ADVISORS, INC. 0.03% of their portfolio TAMPA, FL 32,45132.5k $1.2m $1.2m 0.03% Added +3.9k +3,851
30 TRUIST FINANCIAL CORP 0.00% of their portfolio CHARLOTTE, NC 32,37332.4k $1.2m $1.2m 0.00% Added +2.4k +2,424
31 David J Yvars Group 0.63% of their portfolio UNIVERSITY PARK, FL 28,04528.0k $1.1m $1.1m 0.63% Added +159 +159
32 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 27,41027.4k $1.0m $1.0m 0.00% Added +677 +677
33 Kingsview Wealth Management, LLC 0.02% of their portfolio GRANTS PASS, OR 24,45324.5k $933.4k $933.4k 0.02% Unchanged
34 Kestra Advisory Services, LLC 0.00% of their portfolio AUSTIN, TX 21,64621.6k $826.2k $826.2k 0.00% Added +812 +812
35 SFG Wealth Management, LLC. 0.47% of their portfolio TOWSON, MD 20,55220.6k $784.5k $784.5k 0.47% Unchanged
36 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 20,26620.3k $773.6k $773.6k 0.00% Added +10.2k +10,199
37 Stolper Co 0.23% of their portfolio TULSA, OK 18,39018.4k $702.0k $702.0k 0.23% Added +839 +839
38 Anchor Capital Management Group Inc 0.32% of their portfolio ALISO VIEJO, CA 18,00018.0k $687.1k $687.1k 0.32% Unchanged
39 Apollon Wealth Management, LLC 0.01% of their portfolio MOUNT PLEASANT, SC 17,98018.0k $686.3k $686.3k 0.01% Added +3.0k +3,027
40 STEPHENS INC /AR/ 0.01% of their portfolio LITTLE ROCK, AR 16,48516.5k $629.2k $629.2k 0.01% Added +500 +500
41 LANARK FINANCIAL, INC. 0.05% of their portfolio BIRMINGHAM, AL 16,43116.4k $627.0k $627.0k 0.05% Reduced -3 -3
42 Focus Financial Network, Inc. 0.02% of their portfolio MINNEAPOLIS, MN 15,77315.8k $602.1k $602.1k 0.02% Added +1.4k +1,351
43 D.A. DAVIDSON & CO. 0.00% of their portfolio GREAT FALLS, MT 15,34015.3k $585.5k $585.5k 0.00% Added +2.9k +2,904
44 SMITH, MOORE & CO. 0.05% of their portfolio CLAYTON, MO 15,17315.2k $579.2k $579.2k 0.05% Added +50 +50
45 Hilltop Holdings Inc. 0.04% of their portfolio DALLAS, TX 14,98815.0k $572.1k $572.1k 0.04% Added +766 +766
46 Polar Asset Management Partners Inc. 0.01% of their portfolio TORONTO, A6 14,73014.7k $562.2k $562.2k 0.01% Added +213 +213
47 Prospera Financial Services Inc 0.01% of their portfolio Dallas, TX 14,68514.7k $560.5k $560.5k 0.01% Added +65 +65
48 WEALTH EFFECTS LLC 0.21% of their portfolio BOSTON, MA 14,68514.7k $560.5k $560.5k 0.21% Reduced -2.5k -2,475
49 Mutual Advisors, LLC 0.01% of their portfolio OMAHA, NE 14,24514.2k $554.8k $554.8k 0.01% Added +730 +730
50 Future Financial Wealth Managment LLC 0.36% of their portfolio CINCINNATI, OH 14,00014.0k $534.4k $534.4k 0.36% Unchanged
51 INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio ORLANDO, FL 13,65213.7k $521.1k $521.1k 0.04% Added +310 +310
52 Mission Hills Financial Advisory, LLC 0.32% of their portfolio SAN DIEGO, CA 13,40213.4k $511.6k $511.6k 0.32% New
53 WOLVERINE ASSET MANAGEMENT LLC 0.01% of their portfolio CHICAGO, IL 13,15313.2k $502.1k $502.1k 0.01% New
54 Elequin Capital, LP 0.07% of their portfolio NEW YORK, NY 13,02413.0k $497.1k $497.1k 0.07% Added +12.4k +12,421
55 Abel Hall, LLC 0.23% of their portfolio BATON ROUGE, LA 13,00013.0k $496.2k $496.2k 0.23% New
56 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 12,97413.0k $495.2k $495.2k 0.00% Added +745 +745
57 Atria Wealth Solutions, Inc. 0.01% of their portfolio NEW YORK, NY 12,48212.5k $476.7k $476.7k 0.01% New
58 Compound Planning, Inc. 0.02% of their portfolio NEW YORK, NY 11,76511.8k $449.1k $449.1k 0.02% Reduced -1.2k -1,210
59 Sunbelt Securities, Inc. 0.04% of their portfolio HOUSTON, TX 11,43511.4k $418.1k $418.1k 0.04% Added +5.6k +5,635
60 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 10,77710.8k $411.4k $411.4k 0.00% Reduced -10.1k -10,140
61 &PARTNERS 0.00% of their portfolio NASHVILLE, TN 10,05610.1k $383.8k $383.8k 0.00% Added +26 +26
62 GREAT VALLEY ADVISOR GROUP, INC. 0.01% of their portfolio WILMINGTON, DE 9,98010.0k $380.9k $380.9k 0.01% Unchanged
63 B. Riley Wealth Advisors, Inc. 0.02% of their portfolio MEMPHIS, TN 9,8349.8k $375.4k $375.4k 0.02% Added +244 +244
64 Next Level Private LLC 0.12% of their portfolio HARRISON, NY 9,5219.5k $363.4k $363.4k 0.12% Added +123 +123
65 READYSTATE ASSET MANAGEMENT LP 0.01% of their portfolio CHICAGO, IL 8,9719.0k $342.4k $342.4k 0.01% New
66 Aurora Private Wealth, Inc. 0.25% of their portfolio ROCKAWAY, NJ 8,8088.8k $336.0k $336.0k 0.25% Added +127 +127
67 Faithward Advisors, LLC 0.05% of their portfolio LANCASTER, PA 8,6738.7k $331.0k $331.0k 0.05% Added +78 +78
68 Claro Advisors Inc. 0.05% of their portfolio BOSTON, MA 8,5948.6k $328.0k $328.0k 0.05% Added +99 +99
69 WALLED LAKE PLANNING & WEALTH MANAGEMENT, LLC 0.11% of their portfolio HIGHLAND PARK, IL 8,5918.6k $327.9k $327.9k 0.11% Added +177 +177
70 Calamos Advisors LLC 0.00% of their portfolio NAPERVILLE, IL 8,5868.6k $327.7k $327.7k 0.00% Added +94 +94
71 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 8,3478.3k $318.6k $318.6k 0.00% Added +2.2k +2,200
72 Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors 0.04% of their portfolio CONCORD, MA 8,2218.2k $313.8k $313.8k 0.04% Added +206 +206
73 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 7,8407.8k $299.3k $299.3k 0.00% Reduced -3.9k -3,949
74 Mirador Capital Partners LP 0.05% of their portfolio PLEASANTON, CA 7,5977.6k $290.0k $290.0k 0.05% Added +55 +55
75 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 7,4497.4k $284.3k $284.3k 0.00% Added +842 +842
76 Arkadios Wealth Advisors 0.01% of their portfolio ATLANTA, GA 7,2977.3k $278.5k $278.5k 0.01% Reduced -847 -847
77 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 7,2107.2k $275.2k $275.2k 0.00% Added +761 +761
78 Consolidated Portfolio Review Corp 0.04% of their portfolio WOODBURY, NY 6,9016.9k $263.4k $263.4k 0.04% Reduced -81 -81
79 Perigon Wealth Management, LLC 0.01% of their portfolio SAN FRANCISCO, CA 6,8266.8k $260.5k $260.5k 0.01% Reduced -880 -880
80 VISTA INVESTMENT PARTNERS II, LLC 0.12% of their portfolio RICHMOND, IN 6,7626.8k $258.1k $258.1k 0.12% Added +29 +29
81 Keystone Financial Group 0.02% of their portfolio LEXINGTON, KY 6,7346.7k $257.0k $257.0k 0.02% Unchanged
82 Capital Investment Advisory Services, LLC 0.02% of their portfolio RALEIGH, NC 6,4476.4k $246.1k $246.1k 0.02% Added +365 +365
83 Symphony Financial Services, Inc. 0.14% of their portfolio AKRON, OH 6,3116.3k $240.9k $240.9k 0.14% Reduced -45 -45
84 Herold Advisors, Inc. 0.05% of their portfolio New York, NY 6,2336.2k $237.9k $237.9k 0.05% Added +101 +101
85 DAYMARK WEALTH PARTNERS, LLC 0.01% of their portfolio CINCINNATI, OH 5,9756.0k $228.1k $228.1k 0.01% New
86 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 5,8565.9k $223.5k $223.5k 0.00% New
87 LEVEL FOUR ADVISORY SERVICES, LLC 0.01% of their portfolio DALLAS, TX 5,7765.8k $220.5k $220.5k 0.01% Reduced -1.2k -1,241
88 World Investment Advisors 0.00% of their portfolio LINCROFT, NJ 5,3675.4k $204.8k $204.8k 0.00% New
89 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 3,8593.9k $147.3k $147.3k 0.00% Added +1.0k +1,033
90 CWM, LLC 0.00% of their portfolio OMAHA, NE 3,3363.3k $127.0k $127.0k 0.00% Reduced -87 -87
91 HARBOR INVESTMENT ADVISORY, LLC 0.01% of their portfolio LUTHERVILLE, MD 3,1633.2k $120.7k $120.7k 0.01% Reduced -328 -328
92 COMERICA BANK 0.00% of their portfolio DALLAS, TX 2,3302.3k $88.9k $88.9k 0.00% Added +182 +182
93 Wilmington Savings Fund Society, FSB 0.00% of their portfolio WILMINGTON, DE 2,1502.1k $82.1k $82.1k 0.00% Unchanged
94 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 2,1002.1k $80.2k $80.2k 0.00% Unchanged
95 PRINCIPAL SECURITIES, INC. 0.00% of their portfolio DES MOINES, IA 2,0742.1k $79.2k $79.2k 0.00% Added +237 +237
96 TRUST CO OF VERMONT 0.00% of their portfolio BRATTLEBORO, VT 1,5001.5k $57.3k $57.3k 0.00% Unchanged
97 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 1,4551.5k $55.5k $55.5k 0.00% Unchanged
98 AdvisorNet Financial, Inc 0.00% of their portfolio MINNETONKA, MN 1,3631.4k $52.0k $52.0k 0.00% Added +621 +621
99 MAI Capital Management 0.00% of their portfolio INDEPENDENCE, OH 1,1621.2k $44.4k $44.4k 0.00% Added +2 +2
100 Larson Financial Group LLC 0.00% of their portfolio ST LOUIS, MO 1,1151.1k $42.6k $42.6k 0.00% Unchanged