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Simplify MBS ETF

139 hedge funds and large institutions have $975M invested in Simplify MBS ETF in 2025 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 75 increasing their positions, 30 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 30

11% more capital invested

Capital invested by funds: $881M → $975M (+$94.2M)

5.55% more ownership

Funds ownership: 59.34%64.89% (+5.6%)

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

3% less funds holding

Funds holding: 144139 (-5)

11% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 19

Holders
139
Holders Change
-5
Holders Change %
-3.47%
% of All Funds
1.82%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.17%
New
17
Increased
75
Reduced
30
Closed
19
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
BF
126
BOK Financial
Oklahoma
$37.5K
US Bancorp
127
US Bancorp
Minnesota
$27.9K +$8.03K +160 +41%
IRC
128
Investors Research Corp
Georgia
$22.5K -$22.1K -440 -50%
Northwestern Mutual Wealth Management
129
Northwestern Mutual Wealth Management
Wisconsin
$19K +$18.9K +377 New
OWP
130
ORG Wealth Partners
Texas
$14.4K -$3.01K -60 -17%
AF
131
Advisornet Financial
Minnesota
$14.3K
CIBC Private Wealth Group
132
CIBC Private Wealth Group
Georgia
$9.67K +$9.64K +192 New
Carson Wealth (CWM LLC)
133
Carson Wealth (CWM LLC)
Nebraska
$6K
BNP Paribas Financial Markets
134
BNP Paribas Financial Markets
France
$4.28K +$4.27K +85 New
HFS
135
Hughes Financial Services
Virginia
$3.27K +$3.26K +65 New
AIC
136
Archer Investment Corporation
Indiana
$1.11K +$1.1K +22 New
AssetMark Inc
137
AssetMark Inc
California
$957 -$251 -5 -21%
Fidelity Investments
138
Fidelity Investments
Massachusetts
$906 +$904 +18 New
S
139
SignatureFD
Georgia
$38 +$50 +1 New
LG
140
Leuthold Group
Minnesota
-$5.01M -99,986 Closed
Jane Street
141
Jane Street
New York
-$3.98M -79,541 Closed
WA
142
Whitebox Advisors
Minnesota
-$566K -11,306 Closed
Goldman Sachs
143
Goldman Sachs
New York
-$548K -10,942 Closed
Citadel Advisors
144
Citadel Advisors
Florida
-$464K -9,273 Closed
EPW
145
Endeavor Private Wealth
Kansas
-$315K -6,292 Closed
MFG
146
Magnus Financial Group
New York
-$213K -4,257 Closed
Mercer Global Advisors
147
Mercer Global Advisors
Colorado
-$201K -4,012 Closed
Raymond James Financial
148
Raymond James Financial
Florida
-$111K -2,222 Closed
TSMHT
149
Thurston Springer Miller Herd & Titak
Indiana
-$62.4K -1,245 Closed
AAP
150
Arax Advisory Partners
Colorado
-$51.1K -1,020 Closed

MTBA Hedge Fund Activity: Q3 2025 in Review

139 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Simplify MBS ETF (MTBA) for Q3 2025, worth a combined $975M — up 11% from $881M a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of MTBA and 17 opened new positions — a net loss of 2 holders — while 30 trimmed existing stakes and 75 added.

The largest buyer was CreativeOne Wealth, adding an estimated $29.2M. The largest seller was Advocacy Wealth Management Services, cutting an estimated $8.13M.

  • 139 institutional investors held Simplify MBS ETF (MTBA) as of Q3 2025, down from 144 in Q2 2025.
  • Funds reported $975M of Simplify MBS ETF stock for Q3 2025, up 11% quarter-over-quarter.
  • 17 funds opened new Simplify MBS ETF positions in Q3 2025 and 19 closed out, a net change of -2 holders.
  • The largest Simplify MBS ETF buyer in Q3 2025 was CreativeOne Wealth, an estimated $29.2M added.
  • The largest Simplify MBS ETF seller in Q3 2025 was Advocacy Wealth Management Services, an estimated $8.13M sold.

Based on aggregated 13F filings for Q3 2025.