Stock Ownership/ASTL

ALGOMA STL GROUP INC (ASTL): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ASTL · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
11
13F filers
Aggregate Value
$23.2M
Across holders
Last Price
$4.01
2026-08-24
Sector
Materials
GICS
Quarterly fund activity6 increased3 reduced3 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, BALYASNY ASSET MANAGEMENT LLC, Schonfeld Strategic Advisors LLC
Institutional Holders of ASTL
↗
11 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.04M$4.2M18.2%0.0%Added+$3.1MQ2 2026
Bracebridge Capital, LLC
CIK 0001426486
Hedge Fund925K$3.7M16.2%0.1%Unchanged+$0Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund846K$3.4M14.8%0.0%Added+$2.1MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund670K$2.7M11.7%0.0%Added+$1.6MQ2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund607K$2.5M10.6%0.0%Reduced$-651KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund575K$2.3M10.0%0.0%Added+$2.0MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund499K$2.0M8.7%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund387K$1.6M6.8%0.0%Reduced$-1.5MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund102K$412K1.8%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund42K$169K0.7%0.0%Reduced$-91KQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$4.2M· 18.2% of total· 0.0% port· 1.04M sh· +$3.1M QoQ· Q2 2026
Bracebridge Capital, LLCUnchanged
Hedge Fund
$3.7M· 16.2% of total· 0.1% port· 925K sh· +$0 QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$3.4M· 14.8% of total· 0.0% port· 846K sh· +$2.1M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$2.7M· 11.7% of total· 0.0% port· 670K sh· +$1.6M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$2.5M· 10.6% of total· 0.0% port· 607K sh· $-651K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$2.3M· 10.0% of total· 0.0% port· 575K sh· +$2.0M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$2.0M· 8.7% of total· 0.0% port· 499K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.6M· 6.8% of total· 0.0% port· 387K sh· $-1.5M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$412K· 1.8% of total· 0.0% port· 102K sh· — QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$169K· 0.7% of total· 0.0% port· 42K sh· $-91K QoQ· Q2 2026
Verition Fund Management LLCUnchanged
Hedge Fund
$109K· 0.5% of total· 0.0% port· 27K sh· +$0 QoQ· Q2 2026
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