GATX Corp
GATX
396 hedge funds and large institutions have $6.03B invested in GATX Corp in 2026 Q1 according to their latest regulatory filings, with 47 funds opening new positions, 142 increasing their positions, 119 reducing their positions, and 39 closing their positions.
134% more call options, than puts
Call options by funds: $6.4M | Put options by funds: $2.73M
21% more first-time investments, than exits
New positions opened: 47 | Existing positions closed: 39
19% more repeat investments, than reductions
Existing positions increased: 142 | Existing positions reduced: 119
1% more funds holding
Funds holding: 394 → 396 (+2)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
0% less capital invested
Capital invested by funds: $6.04B → $6.03B (-$1.83M)
0.14% less ownership
Funds ownership: 99.68% → 99.54% (-0.14%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$37M |
| 2 |
Jones Financial Companies
Des Peres,
Missouri
|
+$31M |
| 3 |
ProShare Advisors
Bethesda,
Maryland
|
+$24.7M |
| 4 |
BlackRock
New York
|
+$24.6M |
| 5 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
+$20.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$30.4M |
| 2 |
Squarepoint
New York
|
-$25.6M |
| 3 |
GI
GAMCO Investors
Greenwich,
Connecticut
|
-$17.4M |
| 4 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
-$16.1M |
| 5 |
EARNEST Partners
Atlanta,
Georgia
|
-$15.8M |
GATX Hedge Fund Activity: Q1 2026 in Review
396 institutional investors reported a position in GATX Corp (GATX) for Q1 2026, worth a combined $6.03B — down 0.03% from $6.04B a quarter earlier.
Buyers outnumbered sellers: 47 funds opened new GATX positions and 39 closed out — a net gain of 8 holders — while 142 added to existing stakes and 119 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $37M. The largest seller was Wellington Management Group, cutting an estimated $30.4M.
- 396 institutional investors held GATX Corp (GATX) as of Q1 2026, up from 394 in Q4 2025.
- Funds reported $6.03B of GATX Corp stock for Q1 2026, down 0.03% quarter-over-quarter.
- 47 funds opened new GATX Corp positions in Q1 2026 and 39 closed out, a net change of +8 holders.
- The largest GATX Corp buyer in Q1 2026 was Fidelity Investments, an estimated $37M added.
- The largest GATX Corp seller in Q1 2026 was Wellington Management Group, an estimated $30.4M sold.
Based on aggregated 13F filings for Q1 2026.