Algoma Steel Group Inc. is a steel company in the basic materials sector on NASDAQ, led by Michael Garcia, with a market cap of $475.4M. As of Q3 2025, 73% of shares are held by 116 institutional investors, with Maple Rock Capital Partners, Inc. as the largest holder at 9.94%.
Overview of institutional ownership in ASTL as of Q3 2025 with a market cap of $373.0M
Based on market cap of $373.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in ASTL as of Q3 2025
| Institution | Position Value |
|---|---|
M Maple Rock Capital Partners, Inc. Hedge Fund•Multi-Strategy | $37.1M 1.45% of portfolio |
M MMCAP International Inc. SPC Institution | $28.7M 3.82% of portfolio |
B BlackRock, Inc. Institution | $26.1M 0.00% of portfolio |
DONALD SMITH & CO., INC. Long Only Manager | $21.1M 0.42% of portfolio |
$13.6M 0.81% of portfolio | |
INVESCO SENIOR SECURED MANAGEMENT INC /ADV Hedge Fund•Distressed | $11.5M 44.47% of portfolio |
LITTLEJOHN & CO LLC Private Equity | $9.6M 4.83% of portfolio |
GOLDENTREE ASSET MANAGEMENT LP Hedge Fund•Distressed | $8.9M 0.74% of portfolio |
J J. Goldman & Co LP Hedge Fund•Multi-Strategy | $8.0M 0.31% of portfolio |
FMR LLC Institution | $7.9M 0.00% of portfolio |
Institutional buying and selling activity for ASTL in Q3 2025
| Institution | Net Bought |
|---|---|
M Maple Rock Capital Partners, Inc. Hedge Fund•Multi-Strategy | +$7.2M +2.0M shares |
Q Quadrature Capital Ltd Institution | +$5.4M +1.5M shares |
B BlackRock, Inc. Institution | +$3.4M +948.1K shares |
MORGAN STANLEY RIA/Wealth | +$3.2M +886.9K shares |
M MMCAP International Inc. SPC Institution | +$3.1M +860.6K shares |
J JANE STREET GROUP, LLC Institution | +$2.9M +827.3K shares |
D D. E. Shaw & Co., Inc. Institution | +$2.1M +578.5K shares |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$2.0M +563.6K shares |
C Cubist Systematic Strategies, LLC Institution | +$1.7M +464.7K shares |
R ROYAL BANK OF CANADA Institution | +$1.5M +429.2K shares |
| Institution | Net Sold |
|---|---|
INTACT INVESTMENT MANAGEMENT INC. Private Equity | −$13.9M −2.0M shares |
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager | −$10.9M −1.6M shares |
TOWLE & CO Long Only Manager | −$10.1M −1.5M shares |
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | −$7.8M −1.1M shares |
FMR LLC Institution | −$6.2M −1.7M shares |
CONTRARIAN CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Distressed | −$5.5M −1.5M shares |
Empyrean Capital Partners, LP Hedge Fund•Event Driven | −$3.1M −452.1K shares |
Verition Fund Management LLC Hedge Fund•Multi-Strategy | −$2.9M −418.4K shares |
Polar Securities Inc. Hedge Fund•Multi-Strategy | −$2.5M −363.2K shares |
GENERAL AMERICAN INVESTORS CO INC RIA/Wealth | −$1.9M −535.9K shares |
Institutions that initiated new positions or completely exited ASTL in Q3 2025
| Institution | Position Value |
|---|---|
Summit Financial, LLC RIA/Wealth | $392.8K 110.3K shares |
O OXFORD ASSET MANAGEMENT Institution | $169.2K 47.6K shares |
Lighthouse Investment Partners, LLC Fund of Funds | $78.5K 22.1K shares |
$20.2K 5.7K shares |
| Institution | Previous Position |
|---|---|
INTACT INVESTMENT MANAGEMENT INC. Private Equity | $13.9M 2.0M shares |
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager | $10.9M 1.6M shares |
TOWLE & CO Long Only Manager | $10.1M 1.5M shares |
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | $7.8M 1.1M shares |
Empyrean Capital Partners, LP Hedge Fund•Event Driven | $3.1M 452.1K shares |
Verition Fund Management LLC Hedge Fund•Multi-Strategy | $2.9M 418.4K shares |
Polar Securities Inc. Hedge Fund•Multi-Strategy | $2.5M 363.2K shares |
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy | $1.5M 214.0K shares |
Wolf Hill Capital Management, LP Hedge Fund•Long/Short | $1.5M 213.7K shares |
Caption Management, LLC Hedge Fund•Long/Short | $1.3M 188.7K shares |
Institutions with the largest Call and Put options positions in ASTL as of Q3 2025
| Institution | Position Value |
|---|---|
Caption Management, LLC Hedge Fund•Long/Short | $798.1K 2.2K contracts |
J JANE STREET GROUP, LLC Institution | $782.8K 2.2K contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $669.8K 1.9K contracts |
J J. Goldman & Co LP Hedge Fund•Multi-Strategy | $575.2K 1.6K contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $533.3K 1.5K contracts |
S SIG North Trading, ULC Institution | $454.3K 1.3K contracts |
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy | $444.4K 1.3K contracts |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $113.0K 318.0 contracts |
W WOLVERINE TRADING, LLC Institution | $112.9K 276.0 contracts |
Walleye Trading LLC RIA/Wealth | $47.3K 133.0 contracts |
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $1.2M 3.3K contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $1.1M 3.0K contracts |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $679.4K 1.9K contracts |
S SIG North Trading, ULC Institution | $558.2K 1.6K contracts |
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $375.4K 1.1K contracts |
Caption Management, LLC Hedge Fund•Long/Short | $363.3K 1.0K contracts |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $213.3K 600.0 contracts |
W WOLVERINE TRADING, LLC Institution | $208.2K 509.0 contracts |
S SIG BROKERAGE, LP Institution | $142.4K 400.0 contracts |
Walleye Trading LLC RIA/Wealth | $35.6K 100.0 contracts |
Institutions with ASTL as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
INVESCO SENIOR SECURED MANAGEMENT INC /ADV Hedge Fund•Distressed | 44.47% $11.5M |
LITTLEJOHN & CO LLC Private Equity | 4.83% $9.6M |
M MMCAP International Inc. SPC Institution | 3.82% $28.7M |
L LM Asset Inc. Institution | 3.18% $4.1M |
A AYAL Capital Advisors Ltd Institution | 3.01% $5.2M |
AEGIS FINANCIAL CORP Long Only Manager | 2.43% $6.3M |
S Solas Capital Management, LLC Hedge Fund•Long/Short | 2.37% $3.9M |
A Amitell Capital Pte Ltd Institution | 2.27% $3.1M |
CONTRARIAN CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Distressed | 1.90% $7.2M |
M Maple Rock Capital Partners, Inc. Hedge Fund•Multi-Strategy | 1.45% $37.1M |
Discover hedge funds investing in ASTL

| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Semiconductors Technology | $1.4B | 3.13% | |
Software - Infrastructure Technology | $1.3B | 3.10% | |
Computer Hardware Technology | $803.1M | 1.86% |
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