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MFSB
MFS Active Core Plus Bond ETF
MFSB
MFSB
33 hedge funds and large institutions have $329M invested in MFS Active Core Plus Bond ETF in 2026 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 16 increasing their positions, 3 reducing their positions, and 2 closing their positions.
New
Increased
Maintained
Reduced
Closed
500% more first-time investments, than exits
New positions opened: 12 | Existing positions closed: 2
433% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 3
200% more capital invested
Capital invested by funds: $110M → $329M (+$219M)
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
42.05% more ownership
Funds ownership: 69.13% → 111.18% (+42%)
38% more funds holding
Funds holding: 24 → 33 (+9)
Holders
33
Holders Change
+9
Holders Change %
+37.5%
% of All Funds
0.41%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
12
Increased
16
Reduced
3
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–
Top Buyers
Top Sellers
| 1 |
Citadel Advisors
Miami,
Florida
|
-$1.49M |
| 2 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
-$1.39M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$435K |
| 4 |
Jane Street
New York
|
-$136K |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$3.99K |
