MBB

Ishares MBS ETFETF
UnclassifiedUSCUSIP 464288588◍ Confluence graph
Tracked 13F Holders
932
-156 QoQ
13F Value (tracked)
$34.2B
13F Moves · latest Q
29 added
11 trimmed
Recent Filings
0

Who owns MBB?

932 tracked 13F filers

932 tracked 13F filers disclose a position in MBB as of the latest SEC 13F filings, a combined $34.2B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1BANK OF AMERICA CORP /DE/
$6.3B
66.2M
−6.8%
Reduced · −4.8M sh
Q1 2026
2JPMORGAN CHASE & CO
$3.5B
37.1M
+5.8%
Added · +2.1M sh
Q1 2026
3ENVESTNET ASSET MANAGEMENT INC
$2.7B
28.9M
+11%
Added · +2.8M sh
Q1 2026
4LPL Financial LLC
$2.7B
28.0M
+0.3%
Added · +81K sh
Q1 2026
5UBS Group AG
$2.1B
21.8M
11×
Added · +19.9M sh
Q1 2026
6TIAA Wealth Investment Management LLC
$1.4B
14.8M
+5.2%
Added · +733K sh
Q2 2026
7AMERIPRISE FINANCIAL INC
$1.3B
13.2M
−10.0%
Reduced · −1.5M sh
Q1 2026
8MORGAN STANLEY
$1.0B
10.8M
+9.5%
Added · +940K sh
Q1 2026
9TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC
$725.8M
7.7M
+2.7%
Added · +199K sh
Q2 2026
10TRUIST FINANCIAL CORP
$548.8M
5.8M
+47%
Added · +1.8M sh
Q1 2026
11UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME
$408.2M
4.3M
+198%
Added · +2.9M sh
Q1 2026
12STIFEL FINANCIAL CORP
$352.0M
3.7M
+0.2%
Added · +8K sh
Q1 2026
13BANK OF MONTREAL /CAN/
$325.3M
3.4M
+19%
Added · +542K sh
Q1 2026
14Allworth Financial LP
$316.2M
3.3M
+1.2%
Added · +39K sh
Q1 2026
15PNC FINANCIAL SERVICES GROUP, INC.
$295.0M
3.1M
+3.5%
Added · +106K sh
Q1 2026
16WELLS FARGO & COMPANY/MN
$257.4M
2.7M
−0.2%
Reduced · −6K sh
Q1 2026
17MIDLAND WEALTH ADVISORS, LLC
$238.1M
2.5M
+1.8%
Added · +45K sh
Q2 2026
18State of Tennessee, Department of Treasury
$235.3M
2.5M
−0.3%
Reduced · −9K sh
Q1 2026
19Composition Wealth, LLC
$222.4M
2.4M
+16%
Added · +329K sh
Q2 2026
20Bank of New York Mellon Corp
$219.8M
2.3M
+9.5%
Added · +201K sh
Q1 2026
21BlackRock, Inc.
$211.0M
2.2M
−1.3%
Reduced · −28K sh
Q1 2026
22SEI INVESTMENTS CO
$208.3M
2.2M
+5.2%
Added · +108K sh
Q1 2026
23Envestnet Portfolio Solutions, Inc.
$200.3M
2.1M
+9.8%
Added · +189K sh
Q2 2026
24Cetera Investment Advisers
$192.4M
2.0M
+2.3%
Added · +45K sh
Q1 2026
25CLIFTONLARSONALLEN WEALTH ADVISORS, LLC
$185.0M
2.0M
+2.4%
Added · +45K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is MBB being bought or sold by institutions?

Last quarter, 1 fund opened a new position in MBB and 28 added to an existing one, while 11 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
28
funds
Reduced
11
funds
Exited
0
funds

Funds that own MBB also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT551 funds$113.7B
NVIDIA CORPNVDA549 funds$159.7B
APPLE INCAAPL549 funds$129.2B
ALPHABET INC-CL AGOOGL537 funds$74.6B
AMAZON.COM INCAMZN533 funds$85.5B
ALPHABET INC-CL CGOOG519 funds$50.7B
JPMORGAN CHASE & COJPM512 funds$31.8B
META PLATFORMS INC-CLASS AMETA508 funds$44.8B
SS SPDR S&P 500 ETF TRUST-USSPY506 funds$25.7B
BROADCOM INCAVGO502 funds$63.5B
ISHARES CORE S&P 500 ETFIVV499 funds$48.0B
BERKSHIRE HATHAWAY INC-CL BBRK/B496 funds$18.0B

Ranked by how many of MBB's institutional holders also hold each name, a cross-fund conviction signal.

Institutional ownership over time

727 funds+158 since Q3 2024
0442883Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $7.4B · 1 values withheld

Share classes

Class13F holdersValue held
MUBcs1518 funds$35.3B
EFViShares MSCI EAFE Value ETF1157 funds$23.8B
EFGcs976 funds$12.2B
ITAcs939 funds$6.6B
MBBthis pagecs932 funds$34.2B
IGSBcs926 funds$15.2B
HYGiShares iBoxx $ High Yield Corporate Bond ETF USD Class888 funds$20.2B
PFFcs884 funds$5.0B

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

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Ask your agent what changed in MBB

This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/MBB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for MBB.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for MBB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.