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TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in ATI — Ati Inc

CIK 1450144 NEW YORK, NY

Position in ATI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$521,526
-$129,262 QoQ
Shares Held
2,646
-40.9% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#477
of 787 holders
Holding Since
Dec 2022
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATI Over Time

Shares Held

Position Value (USD)

Derivatives in ATI

reported options exposure · as of Jun 30, 2024
CallValue
$360,425
CallShares
6,500
PutValue
$216,255
PutShares
3,900

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Metal Fabrication

Industrials · as of Jun 30, 2026

TWO SIGMA SECURITIES, LLC holds $1,249,677 across 3 Metal Fabrication names. ATI ranks #1 (41.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ATI
Ati Inc
This page
2,646 $521,526

All Filings in ATI

Export CSV
13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $521,526 2,646
2026-03-31 $650,788 4,474
2024-06-30 $216,255 3,900
2024-06-30 $360,425 6,500
2024-06-30 $1,120,533 20,208
2024-03-31 $260,967 5,100
2023-12-31 $281,914 6,200
2023-06-30 $207,881 4,700
2023-06-30 $406,916 9,200
2023-03-31 $580,062 14,700
2023-03-31 $323,572 8,200
2022-12-31 $432,970 14,500
2022-12-31 $209,020 7,000