AB Short Duration Income ETF
SDFI
16 hedge funds and large institutions have $159M invested in AB Short Duration Income ETF in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 5 increasing their positions, 4 reducing their positions, and 1 closing their positions.
300% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 1
25% more repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 4
14% more funds holding
Funds holding: 14 → 16 (+2)
9% more capital invested
Capital invested by funds: $146M → $159M (+$13.1M)
2.48% less ownership
Funds ownership: 97.04% → 94.57% (-2.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$15M |
| 2 |
Goldman Sachs
New York
|
+$1.15M |
| 3 |
WIA
World Investment Advisors
Santa Barbara,
California
|
+$371K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$307K |
| 5 |
GWP
Gateway Wealth Partners
Appleton,
Wisconsin
|
+$230K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$2.08M |
| 2 |
BFG
Beto Financial Group
Boise,
Idaho
|
-$1.24M |
| 3 |
LPL Financial
San Diego,
California
|
-$492K |
| 4 |
MFG
Merit Financial Group
Alpharetta,
Georgia
|
-$283K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
-$13.9K |
SDFI Hedge Fund Activity: Q1 2026 in Review
16 of the 8,150 institutional investors tracked by Wall St. Rank reported a position in AB Short Duration Income ETF (SDFI) for Q1 2026, worth a combined $159M — up 9% from $146M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new SDFI positions and 1 closed out — a net gain of 3 holders — while 5 added to existing stakes and 4 trimmed.
The largest buyer was AllianceBernstein, adding an estimated $15M. The largest seller was Jane Street, cutting an estimated $2.08M.
- 16 institutional investors held AB Short Duration Income ETF (SDFI) as of Q1 2026, up from 14 in Q4 2025.
- Funds reported $159M of AB Short Duration Income ETF stock for Q1 2026, up 9% quarter-over-quarter.
- 4 funds opened new AB Short Duration Income ETF positions in Q1 2026 and 1 closed out, a net change of +3 holders.
- The largest AB Short Duration Income ETF buyer in Q1 2026 was AllianceBernstein, an estimated $15M added.
- The largest AB Short Duration Income ETF seller in Q1 2026 was Jane Street, an estimated $2.08M sold.
Based on aggregated 13F filings for Q1 2026.