Olin Ownership | Who Owns Olin?


OverviewForecastRevenueFinancialsChartTranscripts

Olin Ownership Summary


Olin is owned by 38.10% institutional investors, 0.47% insiders, and 61.42% retail investors. Hotchkis & wiley capital management is the largest institutional shareholder, holding 11.03% of OLN shares. Vanguard Windsor II Inv is the top mutual fund, with 4.36% of its assets in Olin shares.

OLN Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockOlin38.10%0.47%61.42%
SectorBasic Materials Stocks 32.98%12.17%54.85%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Hotchkis & wiley capital management12.69M11.03%$317.14M
Blackrock funding, inc. /de11.95M10.43%$248.95M
Vanguard group11.34M9.89%$236.17M
Blackrock11.66M9.72%$549.75M
Fuller & thaler asset management5.88M5.16%$122.54M
State street4.82M4.18%$120.33M
Dimensional fund advisors lp4.60M4.04%$95.75M
Pzena investment management4.51M3.93%$93.90M
Yacktman asset management lp3.92M3.42%$81.70M
Millennium management2.14M1.86%$51.97M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Semper augustus investments group1.92M6.00%$48.09M
Grizzlyrock capital303.00K5.88%$7.57M
Thomist capital management, lp623.39K3.01%$15.24M
Coombe, bender96.66K2.68%$4.56M
Soapstone management150.00K2.54%$3.75M
Impala asset management167.00K2.19%$3.48M
Yacktman asset management lp3.92M1.14%$81.70M
Hotchkis & wiley capital management12.69M0.98%$317.14M
V. m. manning45.07K0.95%$938.89K
Klcm advisors467.16K0.84%$9.73M

Top Buyers

HolderShares% AssetsChange
Norges bank1.42M0.01%1.42M
Semper augustus investments group1.92M6.00%1.13M
Amundi941.70K0.01%941.70K
Arrowstreet capital, limited partnership958.13K0.02%722.00K
Orbis allan gray693.17K0.07%693.17K

Top Sellers

HolderShares% AssetsChange
Boston partners---3.79M
Ilex capital partners (uk) llp24.09K0.02%-2.49M
Fmr1.36M0.00%-1.75M
Thrivent financial for lutherans44.41K0.00%-1.60M
Millennium management2.14M0.03%-1.06M

New Positions

HolderShares% AssetsChangeValue
Norges bank1.42M0.01%1.42M$47.89M
Orbis allan gray693.17K0.07%693.17K$17.32M
Masters capital management550.00K0.50%550.00K$13.74M
Steadfast capital management lp444.00K0.19%444.00K$11.10M
Grizzlyrock capital303.00K5.88%303.00K$7.57M

Sold Out

HolderChange
Harbor investment advisory-1.00
Evermay wealth management-1.00
Tfo-tdc-7.00
Quaker wealth management-7.00
Financial gravity asset management-9.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025213-44.96%43,667,676-57.65%380.47%84-55.08%72-42.40%
Sep 30, 2025191-46.94%44,209,524-55.84%380.51%81-55.49%67-42.24%
Jun 30, 2025368-1.60%102,549,7253.75%891.21%187-9.66%11617.17%
Mar 31, 20258-98.01%3,053,987-97.06%20.03%2-98.88%3-97.83%
Dec 31, 2024369-11.93%94,254,929-6.84%801.08%1603.23%128-25.58%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Windsor II Inv4.96M4.36%377.20K
FullerThaler Behavioral Small-Cap Value4.95M4.36%-317.60K
Undiscovered Managers Behavioral Val L4.71M4.15%-326.00K
Vanguard Windsor™ II Inv4.58M3.99%-
iShares Core S&P Mid-Cap ETF3.68M3.24%-104.55K
Vanguard Total Stock Mkt Idx Inv3.66M3.22%11.57K
Vanguard US Total Market Shares ETF3.70M3.21%-113.48K
Pacer US Cash Cows 100 ETF2.80M2.43%4.13K
Vanguard Small Cap Index2.58M2.27%-1.42K
Pzena Mid Cap Value2.41M2.12%-

Recent Insider Transactions


DateNameRoleActivityValue
Feb 25, 2026Carter Deon VP & President CAPVSell$154.23K
Feb 24, 2026Castle Angela M VP & Chief Legal OfficerSell$57.70K
Feb 03, 2026Sumner R Nichole VP & ControllerSell$106.85K
Feb 03, 2026Slater Todd A VP & CFOSell$2.07M
Nov 26, 2025VERMILLION TERESA M VP & TreasurerSell$93.85K

Insider Transactions Trends


DateBuySell
2027 Q1--
2024 Q2--
2024 Q1-43
2023 Q4--
2023 Q3-4

OLN Ownership FAQ


Who owns the most shares of Olin?

Olin’s largest shareholders are Hotchkis & wiley capital management (12.69M shares, 11.03%), Blackrock funding, inc. /de (11.95M shares, 10.43%), and Vanguard group (11.34M shares, 9.89%). Together, they hold 31.35% of Olin’s total shares outstanding.

Does Blackrock own Olin?

Yes, BlackRock owns 9.72% of Olin, totaling 11.66M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 549.75M$. In the last quarter, BlackRock decreased its holdings by -116K shares, a -0.99% change.

Who is Olin’s biggest shareholder by percentage of total assets invested?

Semper augustus investments group is Olin’s biggest shareholder by percentage of total assets invested, with 6.00% of its assets in 1.92M Olin shares, valued at 48.09M$.

Who is the top mutual fund holder of Olin shares?

Vanguard Windsor II Inv is the top mutual fund holder of Olin shares, with 4.36% of its total shares outstanding invested in 4.96M Olin shares.

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