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ATI
ATI

Overview Fund Activity

422 hedge funds and large institutions have $6.9B invested in ATI in 2025 Q1 according to their latest regulatory filings, with 88 funds opening new positions, 160 increasing their positions, 118 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
422
Holders Change
+21
Holders Change %
+5.24%
% of All Funds
5.73%
Holding in Top 10
10
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+66.67%
% of All Funds
0.14%
New
88
Increased
160
Reduced
118
Closed
61
Calls
$31.3M
Puts
$13M
Net Calls
+$18.3M
Net Calls Change
+$18.8M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$65.9M
2
Capital International Investors
Capital International Investors
California
+$51.5M
3
FACM
Forest Avenue Capital Management
Florida
+$44.9M
4
Citadel Advisors
Citadel Advisors
Florida
+$35.2M
5
Bank of America
Bank of America
North Carolina
+$32.9M

Top Sellers

1
BlackRock
BlackRock
New York
-$246M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$125M
3
Vanguard Group
Vanguard Group
Pennsylvania
-$74.9M
4
ACM
Anomaly Capital Management
New York
-$35M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$29.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Public Sector Pension Investment Board (PSP Investments)
426
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
– -$19.6M -355,385 Closed
Holocene Advisors
427
Holocene Advisors
New York
– -$19.5M -353,502 Closed
SCM
428
SG Capital Management
Illinois
– -$18.4M -335,080 Closed
JGC
429
J. Goldman & Co
New York
– -$14.6M -265,851 Closed
Voloridge Investment Management
430
Voloridge Investment Management
Florida
– -$11.1M -200,982 Closed
AIM
431
Artemis Investment Management
United Kingdom
– -$8.1M -147,220 Closed
Capstone Investment Advisors
432
Capstone Investment Advisors
New York
– -$5.94M -108,000 Closed
IMRF
433
Illinois Municipal Retirement Fund
Illinois
– -$3.83M -69,555 Closed
IG
434
ING Group
Netherlands
– -$3.76M -68,400 Closed
BGDI
435
BW Gestao de Investimentos
Brazil
– -$2.31M -42,000 Closed
AF
436
AGP Franklin
Tennessee
– -$2.11M -38,294 Closed
FCM
437
Fieldview Capital Management
Michigan
– -$1.35M -24,614 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
438
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$1.32M -24,031 Closed
CM
439
Crestline Management
Texas
– -$1.22M -22,100 Closed
FHB
440
First Hawaiian Bank
Hawaii
– -$752K -13,655 Closed
CRC
441
Curi RMB Capital
Illinois
– -$651K -11,825 Closed
TI
442
Tidal Investments
Wisconsin
– -$442K -8,024 Closed
AT
443
American Trust
Kentucky
– -$399K -7,253 Closed
N
444
Numerai
California
– -$378K -6,870 Closed
TC
445
TownSquare Capital
Utah
– -$337K -6,117 Closed
SC
446
Savant Capital
Illinois
– -$318K -5,770 Closed
TC
447
TradeLink Capital
Illinois
– -$279K -5,071 Closed
OTL
448
Oak Thistle LLC
New York
– -$279K -5,068 Closed
BCI
449
Brinker Capital Investments
Pennsylvania
– -$278K -5,049 Closed
OPS
450
Orion Portfolio Solutions
Nebraska
– -$278K -5,049 Closed
16 17
18
19 20