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ATI
673 hedge funds and large institutions have $18.5B invested in ATI in 2026 Q1 according to their latest regulatory filings, with 164 funds opening new positions, 244 increasing their positions, 190 reducing their positions, and 51 closing their positions.
New
Increased
Maintained
Reduced
Closed
222% more first-time investments, than exits
New positions opened: 164 | Existing positions closed: 51
106% more call options, than puts
Call options by funds: $159M | Put options by funds: $77.3M
28% more repeat investments, than reductions
Existing positions increased: 244 | Existing positions reduced: 190
25% more capital invested
Capital invested by funds: $14.8B → $18.5B (+$3.75B)
18% more funds holding
Funds holding: 570 → 673 (+103)
8% more funds holding in top 10
Funds holding in top 10: 12 → 13 (+1)
1.25% less ownership
Funds ownership: 94.57% → 93.33% (-1.2%)
Holders
673
Holders Change
+103
Holders Change %
+18.07%
% of All Funds
8.29%
Holding in Top 10
13
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+8.33%
% of All Funds
0.16%
New
164
Increased
244
Reduced
190
Closed
51
Calls
$159M
Puts
$77.3M
Net Calls
+$82M
Net Calls Change
+$11.5M
Top Buyers
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
+$464M |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
+$355M |
| 3 |
BlackRock
New York
|
+$247M |
| 4 |
Jane Street
New York
|
+$169M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$163M |
