Allison Transmission
ALSN
556 hedge funds and large institutions have $9.89B invested in Allison Transmission in 2026 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 183 increasing their positions, 195 reducing their positions, and 59 closing their positions.
116% more capital inflows, than outflows
Capital inflows: $2.09B | Capital outflows: $967M
68% more first-time investments, than exits
New positions opened: 99 | Existing positions closed: 59
38% more funds holding in top 10
Funds holding in top 10: 8 → 11 (+3)
15% more call options, than puts
Call options by funds: $6.75M | Put options by funds: $5.87M
6% more funds holding
Funds holding: 525 → 556 (+31)
1.15% more ownership
Funds ownership: 100.6% → 101.75% (+1.2%)
6% less repeat investments, than reductions
Existing positions increased: 183 | Existing positions reduced: 195
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SP
Stockbridge Partners
Boston,
Massachusetts
|
+$117M |
| 2 |
First Trust Advisors
Wheaton,
Illinois
|
+$106M |
| 3 |
CAPTRUST Financial Advisors
Raleigh,
North Carolina
|
+$75.5M |
| 4 |
Boston Partners
Boston,
Massachusetts
|
+$61.4M |
| 5 |
FGP
Freestone Grove Partners
San Francisco,
California
|
+$51.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$115M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$100M |
| 3 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$68.1M |
| 4 |
Renaissance Technologies
New York
|
-$38.5M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$35.8M |
ALSN Hedge Fund Activity: Q1 2026 in Review
556 of the 8,210 institutional investors tracked by Wall St. Rank reported a position in Allison Transmission (ALSN) for Q1 2026, worth a combined $9.89B — up 21% from $8.2B a quarter earlier.
Buyers outnumbered sellers: 99 funds opened new ALSN positions and 59 closed out — a net gain of 40 holders — while 183 added to existing stakes and 195 trimmed.
The largest buyer was Stockbridge Partners, opening a new position worth an estimated $117M. The largest seller was Millennium Management, cutting an estimated $115M.
- 556 institutional investors held Allison Transmission (ALSN) as of Q1 2026, up from 525 in Q4 2025.
- Funds reported $9.89B of Allison Transmission stock for Q1 2026, up 21% quarter-over-quarter.
- 99 funds opened new Allison Transmission positions in Q1 2026 and 59 closed out, a net change of +40 holders.
- The largest Allison Transmission buyer in Q1 2026 was Stockbridge Partners, an estimated $117M added.
- The largest Allison Transmission seller in Q1 2026 was Millennium Management, an estimated $115M sold.
Based on aggregated 13F filings for Q1 2026.