Millennium Management’s Olin OLN Stock Holding History

Millennium Management’s Portfolio OLN Stock Details OLN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q3	–	Sell	-116,300	Closed	-$5.48M	–	6367
2024 Q2	$5.48M	Buy	116,300 +96,700	+493%	+$5.17M	﹤0.01%	2644
2024 Q1	$1.15M	Buy	19,600 +15,600	+390%	+$837K	﹤0.01%	4178
2023 Q4	$216K	Sell	4,000 -29,400	-88%	-$1.41M	﹤0.01%	5140
2023 Q3	$1.67M	Buy	+33,400	New	+$1.8M	﹤0.01%	3729
2018 Q4	–	Sell	-95,000	Closed	-$2.44M	–	4059
2018 Q3	$2.44M	Buy	+95,000	New	+$2.79M	﹤0.01%	2307
2018 Q2	–	Sell	-1,250,000	Closed	-$38M	–	4065
2018 Q1	$38M	Sell	1,250,000 -1,250,000	-50%	-$42.6M	0.05%	542
2017 Q4	$89M	Buy	2,500,000 +1,200,000	+92%	+$42.7M	0.12%	187
2017 Q3	$44.5M	Buy	1,300,000 +800,000	+160%	+$24.9M	0.07%	389
2017 Q2	$15.1M	Buy	500,000 +450,000	+900%	+$13.8M	0.03%	814
2017 Q1	$1.64M	Buy	+50,000	New	+$1.5M	﹤0.01%	2114
2016 Q4	–	Sell	-100,000	Closed	-$2.05M	–	3605
2016 Q3	$2.05M	Buy	+100,000	New	+$2.15M	﹤0.01%	1923
2016 Q2	–	Sell	-50,000	Closed	-$869K	–	3448
2016 Q1	$869K	Buy	+50,000	New	+$774K	﹤0.01%	2259

Other funds holding OLN

Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return

YAM

Yacktman Asset Management Austin, Texas $7.5B AUM 22.48% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Millennium Management's OLN Position: Q1 2026 in Review

Millennium Management increased its Olin (OLN) stake by 2,933% in Q1 2026, buying an estimated $25.2M and bringing the position to 1,065,487 shares worth $31.7M. The position accounts for 0.01% of the portfolio, ranked #1182.

Millennium Management first reported a position in OLN in Q2 2013 and has held it in 49 quarters since. The position peaked at $159M in Q3 2017. 417 funds tracked by Wall St. Rank hold OLN as of Q1 2026.

Millennium Management held 1,065,487 shares of Olin worth $31.7M as of Q1 2026.
Millennium Management bought 1,030,357 Olin shares in Q1 2026, an estimated $25.2M.
Olin made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1182 holding.
Millennium Management first reported a position in Olin in Q2 2013 and has held it in 49 quarters since.
Millennium Management's Olin position peaked at $159M in Q3 2017.
417 funds tracked by Wall St. Rank held Olin as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.