How many institutional investors hold OLN?

5 tracked institutional investors disclosed a position in OLN (OLIN CORP) in their most recent 13F filing.

Who is the largest institutional holder of OLN?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in OLN, valued at $149M.

Where does this OLN ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

OLN — OLIN CORP

Name: OLIN CORP (OLN) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying OLN?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Strong distribution · 0 buying vs 2 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 2 tracked investors who changed their OLN position last quarter, 0 bought and 2 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence

+5 tracked investors reported holding OLN at their latest filing
+Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource

Contradicting evidence — always shown

−2 tracked investors reduced or exited last quarter (1 reduced, 1 sold out)
−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About OLIN CORP (OLN)

OLIN CORP (OLN) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $149M. Across recent filings, tracked investors recorded 5 new positions, 5 increased, 5 reduced, and 5 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in OLN

/100

Mixed Activity

Added / Increased10

Reduced5

Exited5

BearishBullish

Crowded Trade Score™

How many top investors track OLN

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

OLN Ownership Composition

How OLIN CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Multi-Strategy / Quant

95% of tracked value

Institutions

tracked investors

Total Reported

$65.4M

combined 13F value

Multi-Strategy / Quant95.2%
Macro4.8%

Multi-Strategy / Quant(3)

95.2%

Macro(2)

4.8%

Tracked investors currently reporting OLN

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	2.6M	$51.3M	0.01%	Jun 30, 2026
Izzy Englander	Millennium Management	81.1K	$1.6M	0.00%	Jun 30, 2026
Steve Cohen	Point72 Asset Management	469.9K	$9.3M	0.01%	Jun 30, 2026
Paul Tudor Jones	Tudor Investment Corp	46.9K	$929.6K	0.00%	Jun 30, 2026
Ray Dalio	Bridgewater Associates	111.4K	$2.2M	0.01%	Jun 30, 2026

Ken GriffinJun 30, 2026
Citadel Advisors
Shares
2.6M
Value
$51.3M
% Portfolio
0.01%
Izzy EnglanderJun 30, 2026
Millennium Management
Shares
81.1K
Value
$1.6M
% Portfolio
0.00%
Steve CohenJun 30, 2026
Point72 Asset Management
Shares
469.9K
Value
$9.3M
% Portfolio
0.01%
Paul Tudor JonesJun 30, 2026
Tudor Investment Corp
Shares
46.9K
Value
$929.6K
% Portfolio
0.00%
Ray DalioJun 30, 2026
Bridgewater Associates
Shares
111.4K
Value
$2.2M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	New	—	$12.9M	Nov 14, 2025
Ken Griffin	Sold	-100.00%	$0	Feb 17, 2026
Ken Griffin	Sold	-100.00%	$0	Aug 14, 2026
Ray Dalio	Increased	36.58%	$17.4M	Feb 14, 2024
Ray Dalio	Reduced	-13.73%	$16.3M	May 14, 2024
Ray Dalio	Reduced	-94.83%	$676.4K	Aug 14, 2024
Ray Dalio	Increased	286.34%	$2.7M	Nov 13, 2024
Ray Dalio	Sold	-100.00%	$0	Feb 13, 2025
Ray Dalio	New	—	$4.6M	Nov 13, 2025
Ray Dalio	Reduced	-3.17%	$3.7M	Feb 13, 2026
Ray Dalio	Increased	0.60%	$5.3M	May 15, 2026
Ray Dalio	Reduced	-37.61%	$2.2M	Aug 14, 2026
Steve Cohen	Increased	6.63%	$22.5M	Nov 14, 2024
Steve Cohen	Reduced	-83.19%	$2.7M	Feb 14, 2025
Steve Cohen	Sold	-100.00%	$0	Jul 21, 2025
Paul Tudor Jones	Increased	939.38%	$4.2M	Aug 14, 2024
Paul Tudor Jones	Sold	-100.00%	$0	Nov 14, 2024
Ray Dalio	New	—	$11.8M	Nov 13, 2023
Steve Cohen	New	—	$20.7M	Sep 16, 2024
Paul Tudor Jones	New	—	$508.6K	May 15, 2024

Ken Griffin
New
$12.9MNov 14, 2025
Ken Griffin
Sold
$0(-100.00%)Feb 17, 2026
Ken Griffin
Sold
$0(-100.00%)Aug 14, 2026
Ray Dalio
Increased
$17.4M(36.58%)Feb 14, 2024
Ray Dalio
Reduced
$16.3M(-13.73%)May 14, 2024
Ray Dalio
Reduced
$676.4K(-94.83%)Aug 14, 2024
Ray Dalio
Increased
$2.7M(286.34%)Nov 13, 2024
Ray Dalio
Sold
$0(-100.00%)Feb 13, 2025
Ray Dalio
New
$4.6MNov 13, 2025
Ray Dalio
Reduced
$3.7M(-3.17%)Feb 13, 2026
Ray Dalio
Increased
$5.3M(0.60%)May 15, 2026
Ray Dalio
Reduced
$2.2M(-37.61%)Aug 14, 2026
Steve Cohen
Increased
$22.5M(6.63%)Nov 14, 2024
Steve Cohen
Reduced
$2.7M(-83.19%)Feb 14, 2025
Steve Cohen
Sold
$0(-100.00%)Jul 21, 2025
Paul Tudor Jones
Increased
$4.2M(939.38%)Aug 14, 2024
Paul Tudor Jones
Sold
$0(-100.00%)Nov 14, 2024
Ray Dalio
New
$11.8MNov 13, 2023
Steve Cohen
New
$20.7MSep 16, 2024
Paul Tudor Jones
New
$508.6KMay 15, 2024

Frequently asked questions

How many institutional investors hold OLN?: 5 tracked institutional investors disclosed a position in OLN (OLIN CORP) in their most recent 13F filing.
Who is the largest institutional holder of OLN?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in OLN, valued at $149M.
Did institutional ownership of OLN increase or decrease?: Across recent 13F filings, tracked investors recorded 5 new positions, 5 increased, 5 reduced, and 5 fully exited OLN.
Where does this OLN ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.