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JMBS Institutional Ownership & 13F Holders | SmartMoneyDB

JMBSJANUS DETROIT STR TR

HENDERSON MTG · CUSIP 47103U852

Yahoo Finance

Smart Money Score

Composite context from Form 4, 13F and congressional disclosures; not a forecast.

4/10

Insider 0 · 13F 4

Congress 1 · 2+ sources

Smart Money Ownership

Of the 6 tracked institutions holding JMBS, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +5.6pt. It's a gauge of who owns the name, not just how many.

Gotham Asset Management, LLC

$2.6M

+2.8pt

Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →

JMBS (JANUS DETROIT STR TR) Institutional Ownership Summary

Among the 6 tracked institutional investors we monitor, JMBS (JANUS DETROIT STR TR) is held with a combined value of $22.38M across 497,508 shares. The largest holder is CITADEL ADVISORS LLC with a position worth $15.90M. FMR LLC opened a new position in the most recent quarter. 3 funds increased their holdings. 2 funds reduced their position.

Total Institutional Value

$22.38M

Total Shares Held

497,508

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

CITADEL ADVISORS LLC+341% shares~$12.3M RENAISSANCE TECHNOLOGIES LLC+17% shares~$440.6K Gotham Asset Management, LLC+17% shares~$380.7K FMR LLCNew position~$138.5K

Biggest Sellers

13F Institutional Holders

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CITADEL ADVISORS LLC

0.01% of book+340.9%

$15.90M

RENAISSANCE TECHNOLOGIES LLC

0.00% of book+17.4%

$2.97M

Gotham Asset Management, LLC

0.01% of book+17.3%

$2.58M

AQR CAPITAL MANAGEMENT LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	CITADEL ADVISORS LLC	$15.90M	353,394	0.01%	+340.9%
2	RENAISSANCE TECHNOLOGIES LLC	$2.97M	66,083	0.00%	+17.4%
3	Gotham Asset Management, LLC	$2.58M	57,369	0.01%	+17.3%
4	AQR CAPITAL MANAGEMENT LLC	$622.12K	13,828	0.00%	-28.4%
5	BlackRock, Inc.	$168.94K	3,755	0.00%	-2.4%
6	FMR LLC	$138.51K	3,079	0.00%	New

Congress Trading

1 member · 10 disclosed trades in JMBS

Member	Type	Amount	Date
John Boozman	Buy	$1,001 - $15,000	May 27, 2026
John Boozman	Sell	$1,001 - $15,000	May 13, 2026
John Boozman	Sell	$1,001 - $15,000	Feb 6, 2026
John Boozman	Buy	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most JMBS stock?

As of the latest SEC 13F filings, CITADEL ADVISORS LLC is the largest institutional holder of JMBS with a position worth $15.90M, representing 0.01% of their portfolio. In total, 6 institutional investors hold JMBS with a combined value of $22.38M.

Are hedge funds buying or selling JMBS?

In the most recent quarter, 1 fund opened a new position in JMBS. Additionally, 3 increased their holdings and 2 reduced their positions.

What percentage of JMBS is owned by institutional investors?

Institutional investors hold $22.38M worth of JMBS stock across 6 positions. The largest institutional holder is CITADEL ADVISORS LLC with $15.90M in holdings.

What is a 13F filing and why does it matter for JMBS?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For JMBS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track JMBS institutional moves

Get notified when hedge funds change their JMBS positions.