CSS LLC’s HF Sinclair DINO Stock Holding History

CSS LLC’s Portfolio DINO Stock Details DINO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$312K	Buy	+5,000	New	+$271K	0.01%	642
2023 Q4	–	Sell	-5,000	Closed	-$285K	–	830
2023 Q3	$285K	Hold	5,000	–	–	0.02%	531
2023 Q2	$223K	Buy	+5,000	New	+$218K	0.01%	626
2017 Q4	–	Sell	-30,000	Closed	-$1.08M	–	615
2017 Q3	$1.08M	Buy	+30,000	New	+$902K	0.05%	229
2016 Q3	–	Sell	-19,000	Closed	-$452K	–	737
2016 Q2	$452K	Buy	19,000 +7,800	+70%	+$232K	0.03%	378
2016 Q1	$396K	Buy	11,200 +2,900	+35%	+$99.9K	0.02%	374
2015 Q4	$331K	Sell	8,300 -112,500	-93%	-$5.33M	0.02%	448
2015 Q3	$5.9M	Buy	+120,800	New	+$5.75M	0.35%	57
2014 Q4	–	Sell	-78,500	Closed	-$3.43M	–	804
2014 Q3	$3.43M	Buy	78,500 +62,600	+394%	+$2.92M	0.17%	136
2014 Q2	$695K	Sell	15,900 -59,900	-79%	-$2.94M	0.03%	390
2014 Q1	$3.61M	Buy	+75,800	New	+$3.58M	0.18%	108

Other funds holding DINO

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

TCTC Holdings Dallas, Texas $3.51B AUM 30.71% 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

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

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

CSS LLC's DINO Position: Q1 2026 in Review

CSS LLC opened a new position in HF Sinclair (DINO) in Q1 2026: 5,300 shares worth $331K. The stake represents 0.02% of the portfolio and ranks #623 among its holdings. This is a return to the name: CSS LLC previously reported a position in DINO as recently as Q3 2025.

CSS LLC first reported a position in DINO in Q2 2014 and has held it in 13 quarters since. The position peaked at $1.27M in Q2 2014. 644 funds tracked by Wall St. Rank hold DINO as of Q1 2026.

CSS LLC held 5,300 shares of HF Sinclair worth $331K as of Q1 2026.
HF Sinclair was a new CSS LLC position in Q1 2026.
HF Sinclair made up 0.02% of CSS LLC's portfolio in Q1 2026, its #623 holding.
CSS LLC first reported a position in HF Sinclair in Q2 2014 and has held it in 13 quarters since.
CSS LLC's HF Sinclair position peaked at $1.27M in Q2 2014.
644 funds tracked by Wall St. Rank held HF Sinclair as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.