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Livermore
Livermore
ZHEN

OLIN Corp

OLN
Exchange
NYSE
Industry
Chemicals & Allied Products
SEC CIK
0000074303

No open-market purchases or sales by OLIN Corp insiders were filed in the last 90 days; 415 institutions reported holding it in 13F filings for Q2 2026, worth $2.26B in total; Semper Augustus is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in OLIN Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
422
+51 vs. Q4 2025
Shares held
112.6M
+18.0M (+19.0%) vs. Q4 2025
Total value
$3.35B
+$1.38B (+69.8%) vs. Q4 2025
New holders
110
150 more added
Sold out
59
85 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 422 institutions
Q1 2021: 318 institutionsQ2 2021: 360 institutionsQ3 2021: 388 institutionsQ4 2021: 462 institutionsQ1 2022: 476 institutionsQ2 2022: 483 institutionsQ3 2022: 455 institutionsQ4 2022: 472 institutionsQ1 2023: 481 institutionsQ2 2023: 463 institutionsQ3 2023: 428 institutionsQ4 2023: 426 institutionsQ1 2024: 433 institutionsQ2 2024: 445 institutionsQ3 2024: 396 institutionsQ4 2024: 384 institutionsQ1 2025: 354 institutionsQ2 2025: 352 institutionsQ3 2025: 370 institutionsQ4 2025: 379 institutionsQ1 2026: 422 institutionsQ2 2026: 415 institutions
Value heldQ1 2026: $3.35B
Q1 2021: $5.16BQ2 2021: $6.36BQ3 2021: $6.58BQ4 2021: $7.68BQ1 2022: $6.70BQ2 2022: $5.94BQ3 2022: $5.23BQ4 2022: $6.12BQ1 2023: $6.18BQ2 2023: $5.62BQ3 2023: $5.33BQ4 2023: $5.72BQ1 2024: $6.15BQ2 2024: $4.93BQ3 2024: $4.92BQ4 2024: $3.51BQ1 2025: $2.45BQ2 2025: $2.09BQ3 2025: $2.58BQ4 2025: $2.21BQ1 2026: $3.35BQ2 2026: $2.26B
Institutions holding OLN and their total value by quarter
QuarterHoldersValue
Q2 2026415$2.26B
Q1 2026422$3.35B
Q4 2025379$2.21B
Q3 2025370$2.58B
Q2 2025352$2.09B
Q1 2025354$2.45B
Q4 2024384$3.51B
Q3 2024396$4.92B
Q2 2024445$4.93B
Q1 2024433$6.15B
Q4 2023426$5.72B
Q3 2023428$5.33B
Q2 2023463$5.62B
Q1 2023481$6.18B
Q4 2022472$6.12B
Q3 2022455$5.23B
Q2 2022483$5.94B
Q1 2022476$6.70B
Q4 2021462$7.68B
Q3 2021388$6.58B
Q2 2021360$6.36B
Q1 2021318$5.16B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding OLIN Corp; share changes are against Q4 2025.

Institutions holding OLN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC4$00.00%+4New
Valued Wealth Advisors LLC1$320.00%00.0%Unchanged
Raffa Wealth Management, LLC2$590.00%+2New
Curio Wealth, LLC3$890.00%+3New
3 Factor Indexing, LLC3$900.00%+3New
Vermillion Wealth Management, Inc.4$1190.00%+4New
Cassaday & Co Wealth Management LLC4$1190.00%+4New
Bartlett & Co. Wealth Management LLC5$1430.00%+5New
Assetmark, Inc5$1490.00%00.0%Unchanged
Activest Wealth Management7$2080.00%+7New
CWM Advisors, LLC8$2380.00%00.0%Unchanged
Legacy Wealth Managment, LLC9$2680.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC9$2680.00%00.0%Unchanged
Motco10$2970.00%00.0%Unchanged
Glen Eagle Advisors, LLC10$2970.00%00.0%Unchanged
Principia Wealth Advisory, LLC12$3570.00%00.0%Unchanged
HFM Investment Advisors, LLC13$3860.00%+10+333.3%Added
First Horizon Corp14$4160.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.14$4170.00%+11+366.7%Added
True Wealth Design, LLC15$4460.00%00.0%Unchanged
MV Capital Management, Inc.17$5060.00%+3+21.4%Added
Cromwell Holdings LLC18$5350.00%00.0%Unchanged
Rialto Wealth Management, LLC18$5360.00%+13+260.0%Added
Transamerica Financial Advisors, Inc.24$7130.00%+12+100.0%Added
Hilton Head Capital Partners, LLC24$7140.00%00.0%Unchanged
Highline Wealth Partners LLC25$7430.00%+25New
Owl Creek Wealth Partners LLC25$7440.00%+25New
Bruce G. Allen Investments, LLC27$8030.00%00.0%Unchanged
SJS Investment Consulting Inc.27$8030.00%+27New
Ares Financial Consulting, LLC28$8190.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC28$8320.00%+25+833.3%Added
Twin Peaks Wealth Advisors, LLC28$8320.00%+28New
Manchester Capital Management LLC30$8920.00%00.0%Unchanged
Dunhill Financial, LLC34$1.03K0.00%+31+1,033.3%Added
Quent Capital, LLC40$1.19K0.00%−4−9.1%Reduced
McGuire Capital Advisors Inc40$1.19K0.00%+40New
Torren Management, LLC45$1.34K0.00%−74−62.2%Reduced
Bare Financial Services, Inc46$1.37K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.50$1.49K0.00%+49+4,900.0%Added
Rothschild Investment LLC54$1.60K0.00%+54New
South State Corp.55$1.64K0.00%+50+1,000.0%Added
Financial Management Professionals, Inc.57$1.69K0.00%+7+14.0%Added
Gables Capital Management Inc.82$2.44K0.00%00.0%Unchanged
Raleigh Capital Management Inc.89$2.65K0.00%+89New
Bell Investment Advisors, Inc92$2.74K0.00%00.0%Unchanged
UMA Financial Services, Inc.95$2.83K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC96$2.85K0.00%+65+209.7%Added
Brown Brothers Harriman & Co98$2.91K0.00%00.0%Unchanged
Geneos Wealth Management Inc.100$2.97K0.00%−1,250−92.6%Reduced
Bangor Savings Bank100$2.97K0.00%00.0%Unchanged
Costello Asset Management, INC100$2.97K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC100$2.97K0.00%00.0%Unchanged
Fortitude Family Office, LLC102$3.03K0.00%+77+308.0%Added
Sachetta, LLC103$3.06K0.00%00.0%Unchanged
Horizon Investments, LLC104$3.09K0.00%+52+100.0%Added
Cedar Mountain Advisors, LLC104$3.09K0.00%+104New
Plante Moran Financial Advisors, LLC120$3.58K0.00%00.0%Unchanged
Ankerstar Wealth, LLC126$3.75K0.00%00.0%Unchanged
Parkside Financial Bank & Trust149$4.43K0.00%−136−47.7%Reduced
Mascoma Wealth Management LLC150$4.46K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC161$4.79K0.00%00.0%Unchanged
Strategic Wealth Advisors LLC180$5.00K0.00%00.0%Unchanged
WPG Advisers, LLC182$5.41K0.00%+42+30.0%Added
Meeder Asset Management Inc187$5.56K0.00%+83+79.8%Added
International Assets Investment Management, LLC200$5.85K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.212$6.30K0.00%00.0%Unchanged
ZRC Wealth Management, LLC226$6.72K0.00%+226New
Smartleaf Asset Management LLC235$6.79K0.00%+14+6.3%Added
CVA Family Office, LLC234$6.96K0.00%+186+387.5%Added
Caitlin John, LLC235$7.00K0.00%+1+0.4%Added
Estabrook Capital Management250$7.43K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc253$7.52K0.00%00.0%Unchanged
Kilter Group LLC260$7.73K0.00%+203+356.1%Added
Moisand Fitzgerald Tamayo, LLC285$8.47K0.00%00.0%Unchanged
SBI Securities Co., Ltd.306$9.10K0.00%−72−19.0%Reduced
Rosenberg Matthew Hamilton354$10.5K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp364$10.8K0.00%00.0%Unchanged
Winch Advisory Services, LLC367$10.9K0.00%+3+0.8%Added
Whittier Trust Co375$11.0K0.00%+375New
Steward Partners Investment Advisory, LLC383$11.4K0.00%−261−40.5%Reduced
McIlrath & Eck, LLC396$11.8K0.00%00.0%Unchanged
Johnson Financial Group, Inc.425$12.6K0.00%+425New
EverSource Wealth Advisors, LLC433$12.9K0.00%+2+0.5%Added
Massmutual Trust Co FSB477$14.2K0.00%+45+10.4%Added
Sittner & Nelson, LLC486$14.4K0.01%00.0%Unchanged
Essential Partners LLC499$14.8K0.00%00.0%Unchanged
Salem Investment Counselors Inc500$14.9K0.00%+500New
Lodestone Wealth Management LLC504$15.0K0.01%+504New
Bokf, NA514$15.3K0.00%+514New
Golden State Wealth Management, LLC533$15.8K0.00%+533New
Hilltop National Bank600$17.8K0.00%00.0%Unchanged
Los Angeles Capital Management LLC601$17.9K0.00%00.0%Unchanged
DT Investment Partners, LLC728$21.6K0.00%00.0%Unchanged
Bessemer Group Inc753$22.0K0.00%−533−41.4%Reduced
Signaturefd, LLC784$23.3K0.00%+320+69.0%Added
LRI Investments, LLC790$23.5K0.00%−85−9.7%Reduced
AdvisorNet Financial, Inc847$25.2K0.00%+347+69.4%Added
Crews Bank & Trust908$27.0K0.00%00.0%Unchanged
Ancora Advisors, LLC974$29.0K0.00%00.0%Unchanged
Versant Capital Management, Inc993$29.5K0.00%00.0%Unchanged