GATX Corp
GATX
386 hedge funds and large institutions have $6.35B invested in GATX Corp in 2025 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 115 increasing their positions, 138 reducing their positions, and 28 closing their positions.
527% more call options, than puts
Call options by funds: $3.28M | Put options by funds: $524K
96% more first-time investments, than exits
New positions opened: 55 | Existing positions closed: 28
6% more funds holding
Funds holding: 363 → 386 (+23)
2% more capital inflows, than outflows
Capital inflows: $230M | Capital outflows: $226M
0.31% more ownership
Funds ownership: 101.76% → 102.08% (+0.31%)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
17% less repeat investments, than reductions
Existing positions increased: 115 | Existing positions reduced: 138
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$81M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$29.8M |
| 3 |
SCM
Steadfast Capital Management
New York
|
+$22.7M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$8.99M |
| 5 |
Walleye Capital
New York
|
+$7.65M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
-$21.4M |
| 2 |
BlackRock
New York
|
-$13.5M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$12.2M |
| 4 |
Schonfeld Strategic Advisors
New York
|
-$12.2M |
| 5 |
UBS AM
Chicago,
Illinois
|
-$10.8M |
GATX Hedge Fund Activity: Q3 2025 in Review
386 of the 7,661 institutional investors tracked by Wall St. Rank reported a position in GATX Corp (GATX) for Q3 2025, worth a combined $6.35B — up 14% from $5.58B a quarter earlier.
Buyers outnumbered sellers: 55 funds opened new GATX positions and 28 closed out — a net gain of 27 holders — while 115 added to existing stakes and 138 trimmed.
The largest buyer was AllianceBernstein, adding an estimated $81M. The largest seller was Dimensional Fund Advisors, cutting an estimated $21.4M.
- 386 institutional investors held GATX Corp (GATX) as of Q3 2025, up from 363 in Q2 2025.
- Funds reported $6.35B of GATX Corp stock for Q3 2025, up 14% quarter-over-quarter.
- 55 funds opened new GATX Corp positions in Q3 2025 and 28 closed out, a net change of +27 holders.
- The largest GATX Corp buyer in Q3 2025 was AllianceBernstein, an estimated $81M added.
- The largest GATX Corp seller in Q3 2025 was Dimensional Fund Advisors, an estimated $21.4M sold.
Based on aggregated 13F filings for Q3 2025.