Regan Fixed Rate Mbs ETF
$26.79-2.8%
+$1.6M
Net Activity
+2.81% total shares
Institutions Holding
6
Popularity Rank
#11354
Avg Weight
0.92%
Total Value
$15.6M
6 institutions currently hold MBSX, with 6 net buyers and 4 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
4
Net Buying Institutions
6
Top 5 by Value
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Across its top 6 institutional holders, MBSX's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 18/100, avg. turnover score 41/100).
MBSX ranks #11354 out of 37503 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
MBSX is a disclosed holding of Ken Griffin (Citadel Advisors LLC), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
6 institutions disclose a position in MBSX, but none treat it as a major bet — even Castleview Partners, LLC, its most concentrated holder, allocates just 4.0% of its own portfolio to it.
Castleview Partners, LLC has added to its MBSX position for two straight quarters, increasing it by $1.3M to reach $9.0M today.
MBSX is down 2.8% today, but institutions show net buying of $1.6M this quarter — a divergence between today's price move and the underlying institutional flow.
+$2.0M
Total Buy Value
$1.6M
Total Sell Value
6
Net Buyers
4
Net Sellers
MBSX
Q2 2026
Top 5 Institutional Movers
+$940.8K
-$891.8K
+$572.6K
-$435.2K
-$326.7K
MBSX does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
00777X520
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,243
Total reported value
$2.2T
3231 13F institutions increased their position this quarter
Institutions Holding
5,991
Total reported value
$3.6T
3034 13F institutions increased their position this quarter
Institutions Holding
6,154
Total reported value
$1.8T
2973 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,232
Total reported value
$346.4B
Held by 4232 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,126
Total reported value
$257.5B
Held by 4126 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,114
Total reported value
$649.2B
Held by 4114 institutions — one of the most-tracked stocks on AlphaSMO
Access MBSX's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/MBSXCLI
npx alphasmo stocks get MBSX