SecBot SecBot

MBB

ISHARES TR
$91.55 +0.03 (+0.03%)
Oct 27 4:00 PM ET · prev $91.52
1 year
−4.9%
from $96.23 · Oct 28
30 days
+2.1%
from $89.66
52-week range
$89.09–96.91
−6% from high · low Oct 5
Avg volume 20D
6.18M
Oct 14 spike 19.69M
Short interest
2.43M
+55.5%
Days to cover
1.0
at average volume
New fund stakes
0
Q2 2026 13F · 1 exit
Filing reports
1
analyzed by SecBot
Congress trades
5
disclosed
SecBot read BEARISH 1 report · 90 days
Balance 1 bearish · 0 bullish oldest → newest, height = score
Avg score
Strongest BEARISH Three asset managers trimmed their positions in the iShares MBS ETF during Q3 2026, reducing aggregate…
All reports →

Price

Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.

  • X Aug 31 Short interest jumps 69.6% to 3.31M
  • X Sep 15 Short interest jumps 98.3% to 6.57M
  • X Sep 30 Short interest falls 76.3% to 1.56M
  • X Oct 15 Short interest jumps 55.5% to 2.43M

Signal stack

Where each data set points today.

  • InstitutionsBULLISH

    Q2 2026: 25 added (0 new), 9 trimmed or exited.

  • Short sellersBUILDING

    Short interest +55.5% to 2.43M shares. 1.0 days to cover.

  • TrendUPTREND

    0% above its 50-day average.

Who's buying

13F· Q2 2026
0
new positions
1
exit
FundMoveSharesValue
MML INVESTORS SERVICES, LLCADD1,769,513$167.3M
GOLDMAN SACHS GROUP INCDOUBLED1,716,390$162.2M
Mirae Asset Global Investments Co., Ltd.ADD1,549,507$146.5M
MAI Capital ManagementDOUBLED1,006,787$95.2M
Pathstone Holdings, LLCDOUBLED812,942$76.8M
Corient Private Wealth LPADD786,118$74.3M
State of New Jersey Common Pension Fund DADD700,000$66.2M
Capital International InvestorsDOUBLED695,093$65.7M

Quarterly 13F filings are due 45 days after each quarter ends.

Recent activity
The latest filings, insider trades, analyst actions, press and options flow, newest first.
Oct 21, 2026 SEC
Three asset managers trimmed their positions in the iShares MBS ETF during Q3 2026, reducing aggregate holdings by…
INST-CLUSTER · Impact 4/10
Sep 9, 2026 Congress
John Boozman buy
$1,001 - $15,000 · Senate
Jun 30, 2026 Inst.
MML INVESTORS SERVICES, LLC · ADD
1,769,513 shares ($167.3M)
Jun 30, 2026 Inst.
GOLDMAN SACHS GROUP INC · DOUBLED
1,716,390 shares ($162.2M)
May 27, 2026 Congress
John Boozman buy
$1,001 - $15,000 · Senate
Apr 17, 2026 Short interest
FTD: MBB — 41,444 shares ($3.9M) failed to deliver
Settlement: 20260417, Price: $95.25, FTD Value: $3,947,541, ISHARES TR
Congressional trades
MBB trades disclosed by members of Congress, with disclosure delay.
1 members · 3 buys / 2 sells
DateMemberType AmountDisclosed
Sep 9, 2026 John BoozmanRSenate Joint account · iShares MBS ETF BUY $1K–$15K Oct 21, 2026 +42d
May 27, 2026 John BoozmanRSenate Joint account · iShares MBS ETF BUY $1K–$15K Jun 16, 2026 +20d
May 13, 2026 John BoozmanRSenate Joint account · iShares MBS ETF SELL $1K–$15K Jun 16, 2026 +34d
Feb 6, 2026 John BoozmanRSenate Joint account · iShares MBS ETF SELL $1K–$15K Mar 6, 2026 +28d
Jan 23, 2026 John BoozmanRSenate Joint account · iShares MBS ETF BUY $1K–$15K Feb 15, 2026 +23d

Short side

FINRA· Oct 15, 2026
2,427,184
shares short
+55.5%
vs prior settlement
1.0
days to cover
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Recent
Apr 17, 2026
Short interest
FTD: MBB — 41,444 shares ($3.9M) failed to deliver
Settlement: 20260417, Price: $95.25, FTD Value: $3,947,541, ISHARES TR
Apr 16, 2026
Short interest
FTD: MBB — 77,609 shares ($7.4M) failed to deliver
Settlement: 20260416, Price: $95.27, FTD Value: $7,393,809.43, ISHARES TR
Apr 7, 2026
Short interest
FTD: MBB — 13,457 shares ($1.3M) failed to deliver
Settlement: 20260407, Price: $94.66, FTD Value: $1,273,839.62, ISHARES TR
Mar 18, 2026
Short interest
FTD: MBB — 12,997 shares ($1.2M) failed to deliver
Settlement: 20260318, Price: $95.51, FTD Value: $1,241,343.47, ISHARES TR
Mar 13, 2026
Short interest
FTD: MBB — 9,685 shares ($0.9M) failed to deliver
Settlement: 20260313, Price: $94.89, FTD Value: $919,009.65, ISHARES TR

SecBot reports

1 filing · 0 bullish · 1 bearish
All MBB filing & press-release reports (1)