Olin Corp: which funds bought and sold

Institutions that bought and sold Olin shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 203 institutions that filed 13F reports for both quarters added to or opened positions in Olin, and 195 cut or closed them. Together they added a net 1.1M shares, +1.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 2.8M shares (+7.1%); index fund managers were net buyers of 621K shares (+1.9%). 60 opened a new position and 72 sold out entirely.

Bought, Q2 2026 203 institutions, 60 of them new holders Sold, Q2 2026 195 institutions, 72 of them sold out

Net change, all compared +1.1M shares (+1.0%)

Net change, active managers +2.8M shares (+7.1%), 35 bought, 32 sold

Buyers versus sellers

institutions compared, 472

203 bought 74 195 sold

Active managers and hedge funds 35 bought · 32 sold · +2.8M

Index fund managers 7 bought · 3 sold · +621K

Other institutions 161 bought · 160 sold · −2.2M

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
AQR Capital Management LLC Hedge fund	+4.3M +372.5%	5.5M	$109M
Captrust Financial Advisors	+1.3M +6314.7%	1.3M	$26.2M
Hotchkis & Wiley Capital Management LLC Active manager	+937K +6.2%	16.0M	$318M
Jpmorgan Chase & Co	+726K +290.3%	977K	$20.4M
Citadel Advisors LLC Hedge fund	+593K +36.2%	2.2M	$44.3M
Dimensional Fund Advisors LP	+538K +9.6%	6.2M	$122M
Allianz Asset Management Gmbh	+502K +106.6%	973K	$19.3M
Blackrock, Inc. Index funds	+497K +4.3%	12.0M	$238M
Los Angeles Capital Management LLC Active manager	+289K +48038.3%	289K	$5.7M
Renaissance Technologies LLC Hedge fund	+284K New position	284K	$5.6M
Arrowstreet Capital, Limited Partnership Hedge fund	+278K New position	278K	$5.5M
Centerbook Partners LP Hedge fund	+253K +134.7%	442K	$8.8M
Man Group PLC Hedge fund	+252K New position	252K	$5M
AQR Arbitrage LLC	+229K New position	229K	$4.5M
Engineers Gate Manager LP Hedge fund	+198K +1601.5%	210K	$4.2M
Point72 Asset Management, L.P. Hedge fund	+194K +128.3%	345K	$6.8M
HSBC Holdings PLC	+188K New position	188K	$3.7M
Balyasny Asset Management L.P. Hedge fund	+181K +66.5%	453K	$9M
Royal Palms Capital LLC	+157K New position	157K	$3.1M
Xtx Topco Ltd	+151K +269.2%	208K	$4.1M

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
AQR Capital Management LLC Hedge fund	+4.3M +372.5%	5.5M	$109M
Hotchkis & Wiley Capital Management LLC Active manager	+937K +6.2%	16.0M	$318M
Citadel Advisors LLC Hedge fund	+593K +36.2%	2.2M	$44.3M
Los Angeles Capital Management LLC Active manager	+289K +48038.3%	289K	$5.7M
Renaissance Technologies LLC Hedge fund	+284K New position	284K	$5.6M
Arrowstreet Capital, Limited Partnership Hedge fund	+278K New position	278K	$5.5M
Centerbook Partners LP Hedge fund	+253K +134.7%	442K	$8.8M
Man Group PLC Hedge fund	+252K New position	252K	$5M
Engineers Gate Manager LP Hedge fund	+198K +1601.5%	210K	$4.2M
Point72 Asset Management, L.P. Hedge fund	+194K +128.3%	345K	$6.8M

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Millennium Management LLC Hedge fund	−984K −92.4%	81K	$1.6M
Fuller & Thaler Asset Management, Inc.	−714K −14.2%	4.3M	$85.3M
Two Sigma Investments, LP Hedge fund	−704K −58.9%	491K	$9.7M
Amundi	−684K Sold out	0	—
Wolf Hill Capital Management, LP Hedge fund	−634K Sold out	0	—
Tudor Investment Corp Et Al Hedge fund	−632K −95.6%	29K	$570,895
Merewether Investment Management, LP	−623K Sold out	0	—
D. E. Shaw & Co., Inc. Hedge fund	−562K −97.9%	12K	$233,361
Pzena Investment Management LLC Active manager	−541K −12.2%	3.9M	$77.1M
Bank Of America Corp	−490K −27.6%	1.3M	$25.4M
UBS Group AG	−402K −35.8%	720K	$14.3M
Mackenzie Financial Corp	−371K −93.7%	25K	$494,648
SG Americas Securities, LLC	−311K −88.0%	43K	$844,000
Goldman Sachs Group Inc	−286K −10.1%	2.6M	$50.5M
Jane Street Group, LLC	−276K −88.0%	38K	$747,095
Readystate Asset Management LP	−275K −78.4%	76K	$1.5M
Morgan Stanley	−267K −16.2%	1.4M	$27.4M
Citigroup Inc	−264K −64.8%	143K	$2.8M
Exoduspoint Capital Management, LP Hedge fund	−248K Sold out	0	—
Gotham Asset Management, LLC Hedge fund	−238K −30.1%	553K	$11M

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Millennium Management LLC Hedge fund	−984K −92.4%	81K	$1.6M
Two Sigma Investments, LP Hedge fund	−704K −58.9%	491K	$9.7M
Wolf Hill Capital Management, LP Hedge fund	−634K Sold out	0	—
Tudor Investment Corp Et Al Hedge fund	−632K −95.6%	29K	$570,895
D. E. Shaw & Co., Inc. Hedge fund	−562K −97.9%	12K	$233,361
Pzena Investment Management LLC Active manager	−541K −12.2%	3.9M	$77.1M
Exoduspoint Capital Management, LP Hedge fund	−248K Sold out	0	—
Gotham Asset Management, LLC Hedge fund	−238K −30.1%	553K	$11M
Edgestream Partners, L.P. Hedge fund	−232K Sold out	0	—
Rokos Capital Management LLP Hedge fund	−230K Sold out	0	—

New positions

largest by value

Institution	Shares	Value June 30, 2026
Renaissance Technologies LLCHedge fund	284K	$5.6M
Arrowstreet Capital, Limited PartnershipHedge fund	278K	$5.5M
Man Group PLCHedge fund	252K	$5M
AQR Arbitrage LLC	229K	$4.5M
HSBC Holdings PLC	188K	$3.7M
Royal Palms Capital LLC	157K	$3.1M
Hatch Cove Capital, LLC	136K	$2.7M
Mariner, LLC	125K	$2.5M
Qube Research & Technologies LtdHedge fund	118K	$2.3M
ING Groep NV	115K	$2.3M

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Amundi	684K	$20.3M
Wolf Hill Capital Management, LPHedge fund	634K	$18.8M
Merewether Investment Management, LP	623K	$18.5M
Exoduspoint Capital Management, LPHedge fund	248K	$7.4M
Edgestream Partners, L.P.Hedge fund	232K	$6.9M
Rokos Capital Management LLPHedge fund	230K	$6.8M
Lloyd Harbor Capital Management, LLC	220K	$6.5M
Walleye Capital LLCHedge fund	202K	$6M
Summittx Capital, L.P.	197K	$5.9M
Qsemble Capital Management, LP	157K	$4.7M

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 410
Ten largest holders: 59.3%
Index fund managers: 29.0%
Active managers and hedge funds: 36.4%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	35	32	13	15	+2.8M	+7.1%
Index fund managers	7	3	0	0	+621K	+1.9%
Other institutions	161	160	47	57	−2.2M	−5.4%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Olin.

Only managers that filed a holdings report for both quarters are compared (472 here). 19 other holders are left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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