PDT Partners’s Olin OLN Stock Holding History

PDT Partners’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
2026 Q1	$15.1M	Buy	+507,411	New	+$12.4M	0.89%	10
2025 Q4	–	Sell	-17,192	Closed	-$430K	–	627
2025 Q3	$430K	Buy	+17,192	New	+$382K	0.03%	471
2022 Q3	–	Sell	-12,461	Closed	-$577K	–	1011
2022 Q2	$577K	Sell	12,461 -13,955	-53%	-$806K	0.05%	562
2022 Q1	$1.38M	Buy	26,416 +11,416	+76%	+$584K	0.12%	267
2021 Q4	$863K	Buy	+15,000	New	+$841K	0.07%	405
2021 Q3	–	Sell	-14,200	Closed	-$657K	–	870
2021 Q2	$657K	Buy	+14,200	New	+$639K	0.04%	458
2015 Q4	–	Sell	-31,700	Closed	-$533K	–	786
2015 Q3	$533K	Buy	31,700 +9,640	+44%	+$204K	0.01%	886
2015 Q2	$595K	Buy	+22,060	New	+$655K	0.02%	916
2014 Q3	–	Sell	-61,859	Closed	-$1.67M	–	1511
2014 Q2	$1.67M	Buy	+61,859	New	+$1.71M	0.04%	503
2013 Q4	–	Sell	-37,500	Closed	-$865K	–	1014
2013 Q3	$865K	Buy	37,500 +26,370	+237%	+$624K	0.02%	820
2013 Q2	$266K	Buy	+11,130	New	+$273K	0.01%	1288

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

PDT Partners's OLN Position: Q1 2026 in Review

PDT Partners opened a new position in Olin (OLN) in Q1 2026: 507,411 shares worth $15.1M. The stake represents 0.89% of the portfolio and ranks #10 among its holdings. This is a return to the name: PDT Partners previously reported a position in OLN as recently as Q3 2025.

PDT Partners first reported a position in OLN in Q2 2013 and has held it in 11 quarters since. 417 funds tracked by Wall St. Rank hold OLN as of Q1 2026.

PDT Partners held 507,411 shares of Olin worth $15.1M as of Q1 2026.
Olin was a new PDT Partners position in Q1 2026.
Olin made up 0.89% of PDT Partners's portfolio in Q1 2026, its #10 holding.
PDT Partners first reported a position in Olin in Q2 2013 and has held it in 11 quarters since.
417 funds tracked by Wall St. Rank held Olin as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.