OLIN CORP (OLN) Institutional Shareholders
OLIN CORP (OLN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.26B in OLN holdings during the latest filing period.
Hotchkis & Wiley Capital Management Llc is currently the largest disclosed institutional shareholder of OLN tracked by InsiderSet, reporting ownership valued at approximately $317.54M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $269.80M, representing an estimated loss of -15.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed OLN value among the investors covered in this analysis. Major shareholders include Hotchkis & Wiley Capital Management Llc, Blackrock, Inc., Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in OLIN CORP (OLN).
This page ranks the largest institutional OLN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
399
Total Reported Value
$2.26B
Largest Holder
Hotchkis & Wiley Capital Management Llc
Largest Position
$317.54M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
50
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Hotchkis & Wiley Capital Management Llc | 0.93% | 16,021,214 | $317,540,461 | $269,797,244 | -$47,743,217 | -15.04% | |
| Blackrock, Inc. | 0.00% | 11,984,254 | $237,527,921 | $201,814,837 | -$35,713,084 | -15.04% | |
| Dimensional Fund Advisors Lp | 0.02% | 6,166,477 | $122,229,374 | $103,843,473 | -$18,385,901 | -15.04% | |
| Aqr Capital Management Llc | 0.04% | 5,510,335 | $109,214,844 | $92,794,041 | -$16,420,803 | -15.04% | |
| Vanguard Portfolio Management Llc | 0.00% | 5,447,478 | $107,969,014 | $91,735,530 | -$16,233,484 | -15.04% | |
| Vanguard Capital Management Llc | 0.00% | 5,138,572 | $101,846,497 | $86,533,552 | -$15,312,945 | -15.04% | |
| State Street Corp | 0.00% | 4,799,788 | $95,131,798 | $80,828,430 | -$14,303,368 | -15.04% | |
| Fuller & Thaler Asset Management, Inc. | 0.23% | 4,301,590 | $85,257,521 | $72,438,776 | -$12,818,745 | -15.04% | |
| Yacktman Asset Management | Donald Yacktman | 1.03% | 4,209,403 | $83,430,367 | $70,886,347 | -$12,544,020 | -15.04% |
| Hancock Classic Value | Richard Pzena | 0.23% | 3,890,204 | $77,103,843 | $65,511,035 | -$11,592,808 | -15.04% |
| Goldman Sachs Group Inc | 0.01% | 2,550,105 | $50,543,087 | $42,943,768 | -$7,599,319 | -15.04% | |
| Citadel Advisors Llc | 0.03% | 2,233,816 | $44,274,233 | $37,617,461 | -$6,656,772 | -15.04% | |
| Semper Augustus Investments Group | Christopher Bloomstran | 4.83% | 2,153,826 | $42,688,822 | $36,270,430 | -$6,418,392 | -15.04% |
| Geode Capital Management, Llc | 0.00% | 2,107,148 | $41,777,499 | $35,484,372 | -$6,293,127 | -15.06% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,543,162 | $30,585,471 | $25,986,848 | -$4,598,623 | -15.04% | |
| Morgan Stanley | 0.00% | 1,384,610 | $27,442,998 | $23,316,832 | -$4,126,166 | -15.04% | |
| Captrust Financial Advisors | 0.04% | 1,321,951 | $26,201,064 | $22,261,655 | -$3,939,409 | -15.04% | |
| Bank Of America Corp | 0.00% | 1,284,002 | $25,448,912 | $21,622,594 | -$3,826,318 | -15.04% | |
| Bank Of New York Mellon Corp | 0.00% | 1,200,056 | $23,785,113 | $20,208,943 | -$3,576,170 | -15.04% | |
| Jpmorgan Chase & Co | 0.00% | 976,669 | $20,439,274 | $16,447,106 | -$3,992,168 | -19.53% | |
| Northern Trust Corp | 0.00% | 1,004,672 | $19,912,599 | $16,918,676 | -$2,993,923 | -15.04% | |
| Allianz Asset Management Gmbh | 0.02% | 972,709 | $19,279,092 | $16,380,420 | -$2,898,672 | -15.04% | |
| Invesco Ltd. | 0.00% | 779,328 | $15,446,282 | $13,123,884 | -$2,322,398 | -15.04% | |
| Victory Capital Management Inc | 0.01% | 773,430 | $15,329,382 | $13,024,561 | -$2,304,821 | -15.04% | |
| Bridgeway Capital Management, Llc | 0.26% | 744,606 | $14,758,091 | $12,539,165 | -$2,218,926 | -15.04% | |
| Ubs Group Ag | 0.00% | 720,044 | $14,271,272 | $12,125,541 | -$2,145,731 | -15.04% | |
| Vanguard Fiduciary Trust Co | 0.00% | 719,513 | $14,260,748 | $12,116,599 | -$2,144,149 | -15.04% | |
| Raymond James Financial Inc | 0.00% | 683,398 | $13,544,961 | $11,508,422 | -$2,036,539 | -15.04% | |
| Fmr Llc | 0.00% | 615,925 | $12,207,615 | $10,372,177 | -$1,835,438 | -15.04% | |
| Nuveen, Llc | 0.00% | 584,249 | $11,579,815 | $9,838,753 | -$1,741,062 | -15.04% | |
| Pdt Partners, Llc | 0.58% | 558,806 | $11,075,535 | $9,410,293 | -$1,665,242 | -15.04% | |
| Gotham Asset Management, Llc | 0.03% | 552,774 | $10,955,981 | $9,308,714 | -$1,647,267 | -15.04% | |
| Empowered Funds, Llc | 0.05% | 505,046 | $10,010,012 | $8,504,975 | -$1,505,037 | -15.04% | |
| Two Sigma Investments, Lp | 0.01% | 491,216 | $9,735,901 | $8,272,077 | -$1,463,824 | -15.04% | |
| Segall Bryant & Hamill, Llc | 0.12% | 490,909 | $9,729,816 | $8,266,908 | -$1,462,908 | -15.04% | |
| First Trust Advisors Lp | 0.01% | 483,174 | $9,576,518 | $8,136,650 | -$1,439,868 | -15.04% | |
| Metlife Investment Management, Llc | 0.04% | 457,439 | $9,066,441 | $7,703,273 | -$1,363,168 | -15.04% | |
| Balyasny Asset Management L.P. | 0.02% | 452,869 | $8,975,864 | $7,626,314 | -$1,349,550 | -15.04% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 301,587 | $8,966,182 | $5,078,725 | -$3,887,457 | -43.36% | |
| Klcm Advisors, Inc. | 0.71% | 448,278 | $8,884,870 | $7,549,002 | -$1,335,868 | -15.04% | |
| Centerbook Partners Lp | 0.43% | 441,585 | $8,752,215 | $7,436,291 | -$1,315,924 | -15.04% | |
| Retirement Systems Of Alabama | 0.03% | 431,103 | $8,544,461 | $7,259,775 | -$1,284,686 | -15.04% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | 428,602 | $8,494,892 | $7,217,658 | -$1,277,234 | -15.04% | |
| Quantinno Capital Management Lp | 0.01% | 426,132 | $8,445,948 | $7,176,063 | -$1,269,885 | -15.04% | |
| Grizzlyrock Capital, Llc | 5.48% | 395,094 | $7,830,763 | $6,653,383 | -$1,177,380 | -15.04% | |
| American Century Companies Inc | 0.00% | 355,085 | $7,037,810 | $5,979,631 | -$1,058,179 | -15.04% | |
| Point72 Asset Management, L.P. | 0.01% | 344,951 | $6,836,929 | $5,808,975 | -$1,027,954 | -15.04% | |
| Old West Investment Management, Llc | 0.68% | 323,869 | $6,419,083 | $5,453,954 | -$965,129 | -15.04% | |
| Susquehanna Portfolio Strategies, Llc | 0.09% | 299,428 | $5,934,663 | $5,042,368 | -$892,295 | -15.04% | |
| Lpl Financial Llc | 0.00% | 292,319 | $5,793,770 | $4,922,652 | -$871,118 | -15.04% |
Frequently asked questions about OLN
Who owns the most OLN stock?
The largest holders of OLN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for OLIN CORP (OLN).
Is OLN widely held by superinvestors?
Many widely followed stocks like OLN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly OLN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.