MFS Active Core Plus Bond ETF
MFSB
41 hedge funds and large institutions have $408M invested in MFS Active Core Plus Bond ETF in 2026 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 21 increasing their positions, 8 reducing their positions, and 2 closing their positions.
400% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 2
163% more repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 8
24% more funds holding
Funds holding: 33 → 41 (+8)
24% more capital invested
Capital invested by funds: $329M → $408M (+$79.2M)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
23.6% less ownership
Funds ownership: 111.18% → 87.58% (-24%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LPL Financial
San Diego,
California
|
+$30.5M |
| 2 |
PAG
Private Advisor Group
Morristown,
New Jersey
|
+$11M |
| 3 |
WWA
WCG Wealth Advisors
Las Vegas,
Nevada
|
+$9.4M |
| 4 |
Jones Financial Companies
Des Peres,
Missouri
|
+$7.78M |
| 5 |
Raymond James Financial
St Petersburg,
Florida
|
+$5.62M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
-$2.63M |
| 2 |
Goldman Sachs
New York
|
-$1.04M |
| 3 |
FA
Fermata Advisors
Sonoma,
California
|
-$277K |
| 4 |
Truist Financial
Charlotte,
North Carolina
|
-$238K |
| 5 |
RIS
Richmond Investment Services
Mequon,
Wisconsin
|
-$201K |
MFSB Hedge Fund Activity: Q2 2026 in Review
41 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in MFS Active Core Plus Bond ETF (MFSB) for Q2 2026, worth a combined $408M — up 24% from $329M a quarter earlier.
Buyers outnumbered sellers: 10 funds opened new MFSB positions and 2 closed out — a net gain of 8 holders — while 21 added to existing stakes and 8 trimmed.
The largest buyer was LPL Financial, adding an estimated $30.5M. The largest seller was Cambridge Investment Research Advisors, cutting an estimated $2.63M.
- 41 institutional investors held MFS Active Core Plus Bond ETF (MFSB) as of Q2 2026, up from 33 in Q1 2026.
- Funds reported $408M of MFS Active Core Plus Bond ETF stock for Q2 2026, up 24% quarter-over-quarter.
- 10 funds opened new MFS Active Core Plus Bond ETF positions in Q2 2026 and 2 closed out, a net change of +8 holders.
- The largest MFS Active Core Plus Bond ETF buyer in Q2 2026 was LPL Financial, an estimated $30.5M added.
- The largest MFS Active Core Plus Bond ETF seller in Q2 2026 was Cambridge Investment Research Advisors, an estimated $2.63M sold.
Based on aggregated 13F filings for Q2 2026.