NYLIM MacKay Muni Short Duration ETF
MMSD
9 hedge funds and large institutions have $120M invested in NYLIM MacKay Muni Short Duration ETF in 2026 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 1 reducing their positions, and 3 closing their positions.
200% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 1
124% more capital invested
Capital invested by funds: $53.5M → $120M (+$66.4M)
67% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 3
65.7% more ownership
Funds ownership: 92.07% → 157.77% (+66%)
29% more funds holding
Funds holding: 7 → 9 (+2)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NYLIM
New York Life Investment Management
New York
|
+$100M |
| 2 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
+$11.2M |
| 3 |
IWP
Invenio Wealth Partners
Coral Gables,
Florida
|
+$5.57M |
| 4 |
Jane Street
New York
|
+$225K |
| 5 |
JP Morgan Chase
New York
|
+$207K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NYLIC
New York Life Insurance Company
New York
|
-$50M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$745K |
| 3 |
OWA
Octavia Wealth Advisors
Cincinnati,
Ohio
|
-$378K |
| 4 |
BCG
Breakwater Capital Group
Paramus,
New Jersey
|
-$267K |
MMSD Hedge Fund Activity: Q2 2026 in Review
9 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in NYLIM MacKay Muni Short Duration ETF (MMSD) for Q2 2026, worth a combined $120M — up 124% from $53.5M a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new MMSD positions and 3 closed out — a net gain of 2 holders — while 3 added to existing stakes and 1 trimmed.
The largest buyer was New York Life Investment Management, opening a new position worth an estimated $100M. The largest seller was New York Life Insurance Company, exiting entirely with an estimated $50M sold.
- 9 institutional investors held NYLIM MacKay Muni Short Duration ETF (MMSD) as of Q2 2026, up from 7 in Q1 2026.
- Funds reported $120M of NYLIM MacKay Muni Short Duration ETF stock for Q2 2026, up 124% quarter-over-quarter.
- 5 funds opened new NYLIM MacKay Muni Short Duration ETF positions in Q2 2026 and 3 closed out, a net change of +2 holders.
- The largest NYLIM MacKay Muni Short Duration ETF buyer in Q2 2026 was New York Life Investment Management, an estimated $100M added.
- The largest NYLIM MacKay Muni Short Duration ETF seller in Q2 2026 was New York Life Insurance Company, an estimated $50M sold.
Based on aggregated 13F filings for Q2 2026.