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PMBS

PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund

50 hedge funds and large institutions have $748M invested in PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund in 2025 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 22 increasing their positions, 6 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

267% more repeat investments, than reductions

Existing positions increased: 22 | Existing positions reduced: 6

157% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 7

44% more capital invested

Capital invested by funds: $520M → $748M (+$228M)

25% more funds holding

Funds holding: 4050 (+10)

0.58% more ownership

Funds ownership: 99.02%99.6% (+0.58%)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
50
Holders Change
+10
Holders Change %
+25%
% of All Funds
0.66%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
18
Increased
22
Reduced
6
Closed
7
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
JP Morgan Chase
51
JP Morgan Chase
New York
$695 -$152K -3,086 -100%
SIA
52
SkyView Investment Advisors
New Jersey
-$6.57M -134,360 Closed
Citadel Advisors
53
Citadel Advisors
Florida
-$1.19M -24,352 Closed
Wells Fargo
54
Wells Fargo
California
-$613K -12,505 Closed
PWM
55
Prosperity Wealth Management
California
-$606K -12,363 Closed
OMC
56
Old Mission Capital
Illinois
-$556K -11,340 Closed
Goldman Sachs
57
Goldman Sachs
New York
-$420K -8,565 Closed
US Bancorp
58
US Bancorp
Minnesota
-$21.8K -445 Closed

PMBS Hedge Fund Activity: Q3 2025 in Review

50 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund (PMBS) for Q3 2025, worth a combined $748M — up 44% from $520M a quarter earlier.

Buyers outnumbered sellers: 18 funds opened new PMBS positions and 7 closed out — a net gain of 11 holders — while 22 added to existing stakes and 6 trimmed.

The largest buyer was Allianz Asset Management, adding an estimated $97.8M. The largest seller was SkyView Investment Advisors, exiting entirely with an estimated $6.57M sold.

  • 50 institutional investors held PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund (PMBS) as of Q3 2025, up from 40 in Q2 2025.
  • Funds reported $748M of PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund stock for Q3 2025, up 44% quarter-over-quarter.
  • 18 funds opened new PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund positions in Q3 2025 and 7 closed out, a net change of +11 holders.
  • The largest PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund buyer in Q3 2025 was Allianz Asset Management, an estimated $97.8M added.
  • The largest PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund seller in Q3 2025 was SkyView Investment Advisors, an estimated $6.57M sold.

Based on aggregated 13F filings for Q3 2025.