TMB

Thornburg Multi Sector B ETFETF$25.18 0.12%
UnclassifiedUSCUSIP 88521L207· EOD Aug 3, 2026◍ Confluence graph
Tracked 13F Holders
26
-9 QoQ
13F Value (tracked)
$185.7M
13F Moves · latest Q
7 added
2 trimmed
Recent Filings
0

Price & smart-money activity

$25.18 0.12%1Y +0.2%
$24.88$25.15$25.43$25.71$25.99Feb 2025MaySepDecApr 2026Aug53356353
Hover for who · click for detailEnd-of-day closing prices52w $25.15 – $25.91

Who owns TMB?

26 tracked 13F filers

26 tracked 13F filers disclose a position in TMB as of the latest SEC 13F filings, a combined $185.7M 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.

#FundPosition valueSharesLast moveAs ofHistory
1WCG Wealth Advisors LLC
$44.3M
1.7M
New
+1.7M sh
Q1 2026
2Private Advisor Group, LLC
$28.3M
1.1M
New
+1.1M sh
Q2 2026
3Mariner, LLC
$28.3M
1.1M
New
+1.1M sh
Q1 2026
4Onyx Bridge Wealth Group LLC
$15.9M
627K
New
+627K sh
Q2 2026
5Strid Group, LLC
$15.2M
601K
+3.1%
Added · +18K sh
Q2 2026
6GGM Financial LLC
$10.6M
419K
New
+419K sh
Q2 2026
7Spartan Wealth Advisory Services LLC
$10.1M
399K
+6.0%
Added · +23K sh
Q2 2026
8LPL Financial LLC
$8.7M
341K
New
+341K sh
Q1 2026
9FLYNN ZITO CAPITAL MANAGEMENT, LLC
$4.5M
178K
+7.1%
Added · +12K sh
Q2 2026
10GOLDMAN SACHS GROUP INC
$4.2M
166K
+322%
Added · +127K sh
Q1 2026
11Cornerstone Wealth Group, LLC
$3.9M
153K
+11%
Added · +15K sh
Q2 2026
12Integrity Wealth Solutions LLC
$3.3M
130K
+20%
Added · +22K sh
Q2 2026
13HighTower Advisors, LLC
$2.7M
106K
+386%
Added · +84K sh
Q1 2026
14Westside Investment Management, Inc.
$2.6M
103K
+45%
Added · +32K sh
Q2 2026
15Empire Financial Management Company, LLC
$1.4M
56K
+1.4%
Added · +797 sh
Q1 2026
16JANE STREET GROUP, LLC
$336K
13K
−61%
Reduced · −20K sh
Q1 2026
17CITADEL ADVISORS LLC
$326K
13K
−51%
Reduced · −13K sh
Q1 2026
18CHANNEL WEALTH LLC
$262K
10K
~0%
Reduced · −5 sh
Q2 2026
19JPMORGAN CHASE & CO
$232K
9K
+367%
Added · +7K sh
Q1 2026
20WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
$216K
9K
Held
Q2 2026
21PRIVATE TRUST CO NA
$98K
4K
+253%
Added · +3K sh
Q2 2026
22Spire Wealth Management
$85K
3K
+8.3%
Added · +255 sh
Q1 2026
23MORGAN STANLEY
$12K
462
−46%
Reduced · −386 sh
Q1 2026
24UBS Group AG
$3K
106
−9.4%
Reduced · −11 sh
Q1 2026
25Blue Trust, Inc.
$3K
100
New
+100 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 TMB being bought or sold by institutions?

Last quarter, 2 funds opened a new position in TMB and 5 added to an existing one, while 2 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)
2
funds
Added
5
funds
Reduced
2
funds
Exited
0
funds

Funds that own TMB also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA9 funds$3.5B
AMAZON.COM INCAMZN9 funds$1.9B
APPLE INCAAPL9 funds$1.6B
MICROSOFT CORPMSFT9 funds$1.2B
META PLATFORMS INC-CLASS AMETA9 funds$1.1B
ALPHABET INC-CL AGOOGL9 funds$992.8M
JPMORGAN CHASE & COJPM9 funds$785.8M
BERKSHIRE HATHAWAY INC-CL BBRK/B9 funds$630.3M
MORGAN STANLEYMS9 funds$485.7M
ELI LILLY & COLLY9 funds$375.3M
SS SPDR S&P 500 ETF TRUST-USSPY9 funds$300.4M
EXXON MOBIL CORPXOM9 funds$275.7M

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

Institutional ownership over time

13 funds+10 since Q1 2025
01122Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $84.9M

Share classes

Class13F holdersValue held
TXUEMF Closed and MF Open41 funds$292.9M
TMBthis pagemc26 funds$185.7M
88521L108CORE PLUS BD ETF4 funds$7.3M
88521L405INTL GROWTH ETF3 funds$1.3M

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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Connected entities for TMB

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Ask your agent what changed in TMB

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/TMB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for TMB.
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 TMB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.