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
2017 Q4	–	Sell	-14,200	Closed	-$510K	–	616
2017 Q3	$510K	Buy	14,200 +3,800	+37%	+$114K	0.02%	347
2017 Q2	$286K	Buy	+10,400	New	+$278K	0.01%	453
2016 Q4	–	Sell	-70,600	Closed	-$1.73M	–	716
2016 Q3	$1.73M	Buy	+70,600	New	+$1.78M	0.08%	186
2016 Q2	–	Sell	-17,500	Closed	-$618K	–	710
2016 Q1	$618K	Buy	+17,500	New	+$603K	0.04%	302
2014 Q4	–	Sell	-57,600	Closed	-$2.52M	–	806
2014 Q3	$2.52M	Buy	57,600 +9,600	+20%	+$448K	0.12%	177
2014 Q2	$2.1M	Buy	+48,000	New	+$2.36M	0.09%	196

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. 645 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.
645 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.