Olin Corporation· OLN

🇺🇸 US · SmallSP400NYSE

Basic Materials Chemicals Website

Price: $16.84
Day: -1.00%
Mkt Cap: $1.92B
52W Range: $16.67 – $30.46
Volume: 3.94M
Beta: 1.19

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 2.7 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 431 institutions hold; 213 added, 128 reduced

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Olin Corporation

OLN|Basic Materials|Chemicals

Current price: $17

Smart Money

Dimension 5 of 5

Insider selling pace · Q1 2026

30x

vs own 6-quarter average

Seller breadth · Q1 2026

4 sellers

vs 0.8 avg per quarter

Institutional net breadth · Q2 2026

+73

283 adding vs 210 reducing

Institutional ownership · Q2 2026

N/A

overlapping 13F filings

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

IMC-CHICAGO, LLC

58.9K

-53.9%

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

16.0M

+6.1%

BLACKROCK, INC.

12.0M

+4.2%

DIMENSIONAL FUND ADVISORS LP

6.2M

+9.5%

AQR CAPITAL MANAGEMENT LLC

5.5M

+372.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

5.4M

+0.1%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

204

52 buying204 unchanged50 selling

306 funds held OLN in Q2 2026, holding 73.5M shares between them, up 2.9% on the quarter.

Largest fund holders

SPDR SERIES TRUST809.9K sh

Northern Lights Fund Trust228.4K sh

MADISON FUNDS68.0K sh

Notable Insider Transactions, Q1 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Feb 3

Slater Todd A

$2.1M

Sale · Nov 8

Sumner R Nichole

$459.4K

Purchase · Aug 6

Ehrhardt Marc

$374.0K

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

OLN Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

2.7/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-80

Institutional Flow

50% weight

+36

Fund Flow

10% weight

Overall Smart Money sentiment of 2.7/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for OLN

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Very Bearish

Heavy insider selling in Q1 2026

4 sales totaling $2.4M (105.9K shares)

Share volume is 30x the historical average, extreme level

4 different insiders sold this quarter

Buying seen in 2 of 15 quarters

30x

Selling pace

vs own 6-qtr average

Heavy

0.48%

Stake sold

of active insiders' holdings

4 sellers

Seller breadth

vs 0.5 avg per quarter

Q3 2025

Last insider purchase

buying in 2 of 16 quarters

Notable Recent Transactions, OLN

Top 8 highest-value insider trades from the last 8 quarters

Slater Todd A

CFO

Sell

92,250 shares at $22.48

≈67.6% of their stake at the time

Feb 3, 2026$2.07M

Sumner R Nichole

VP & Controller

Sell

10,500 shares at $43.75

≈30.4% of their stake at the time

Nov 8, 2024$459.41K

Ehrhardt Marc

VP & Pres Corp Development

Buy

20,000 shares at $18.70

≈100.0% of their stake after buying

Aug 6, 2025$373.96K

Lane Kenneth Todd

CEO

Buy

7,250 shares at $28.06

≈100.0% of their stake after buying

Feb 4, 2025$203.45K

Carter Deon

VP & President Capv

Sell

6,500 shares at $23.73

≈94.8% of their stake at the time

Feb 25, 2026$154.23K

VERMILLION TERESA M

Sell

6,000 shares at $21.11

≈25.9% of their stake at the time

Aug 13, 2025$126.64K

Sumner R Nichole

VP & Controller

Sell

4,750 shares at $22.49

≈16.1% of their stake at the time

Feb 3, 2026$106.85K

VERMILLION TERESA M

Sell

4,500 shares at $20.86

≈20.7% of their stake at the time

Nov 26, 2025$93.85K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for OLN

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

13F filings cover more than 100% of shares this quarter (overlapping reports), so ownership and share-flow figures are unreliable

Slight accumulation: 283 adding vs 210 reducing

Momentum weakening from prior quarter

+73

Net breadth

283 adding vs 210 reducing

Accumulating

1.35

Add / reduce ratio

in Q2 2026

-12

New − closed

70 initiated, 82 exited

7 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+283 growing-210 shrinkingNet: +73

213

128

New (70)

Increased (213)

Reduced (128)

Closed (82)

Top Institutional Holders, OLN

Largest 8 institutional positions by ownership percentage as of Q2 2026

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

16.0M

$317.5M

Ownership

14.07%

+6.1%

BLACKROCK, INC.

12.0M

$237.5M

Ownership

10.52%

+4.2%

DIMENSIONAL FUND ADVISORS LP

6.2M

$122.2M

Ownership

5.41%

+9.5%

AQR CAPITAL MANAGEMENT LLC

5.5M

$109.2M

Ownership

4.84%

+372.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

5.4M

$108.0M

Ownership

4.78%

+0.1%

VANGUARD CAPITAL MANAGEMENT LLC

5.1M

$101.8M

Ownership

4.51%

+1.9%

STATE STREET CORP

4.8M

$95.1M

Ownership

4.21%

-0.1%

FULLER & THALER ASSET MANAGEMENT, INC.

4.3M

$85.3M

Ownership

3.78%

-14.3%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 306 ETFs and mutual funds reporting

52 buying50 sellingNet: +2

204

Buying (52)

Unchanged (204)

Selling (50)

In total, funds bought 4.0M shares and sold 1.9M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Neutral

Mixed fund activity in Q2 2026

306 ETFs and mutual funds reporting

52 buying vs 50 selling (balanced)

Top Fund Holders, OLN

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

809.9K

Weight

4.01%

Jul 31, 2026No change

Northern Lights Fund Trust

228.4K

Weight

0.47%

Jul 31, 2026No change

MADISON FUNDS

68.0K

Weight

1.40%

Jul 31, 2026No change

BlackRock Advantage SMID Cap Fund, Inc.

32.1K

Weight

5.71%

Jun 30, 2026No change

LoCorr Investment Trust

31.7K

Weight

0.13%

Jun 30, 2026Increased

Investment Managers Series Trust

24.4K

Weight

0.00%

Jun 30, 2026No change

Series Portfolios Trust

20.5K

Weight

13.04%

Jul 31, 2026No change

AUGUSTAR VARIABLE INSURANCE PRODUCTS FUND INC

17.1K

Weight

0.11%

Jun 30, 2026Decreased

Olin Corporation· OLN

Holdings Analysis

Insider Trading Activity

1.3Transaction History80Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings142Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History80Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings142Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights