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	$331K	Buy	+5,300	New	+$287K	0.02%	623
2025 Q4	–	Sell	-4,895	Closed	-$256K	–	1072
2025 Q3	$256K	Sell	4,895 -3,595	-42%	-$170K	0.01%	709
2025 Q2	$349K	Sell	8,490 -2,010	-19%	-$69.2K	0.02%	650
2025 Q1	$345K	Buy	+10,500	New	+$368K	0.02%	592
2024 Q3	–	Sell	-8,164	Closed	-$435K	–	882
2024 Q2	$435K	Sell	8,164 -2,577	-24%	-$145K	0.02%	527
2024 Q1	$648K	Hold	10,741	–	–	0.04%	373
2023 Q4	$597K	Sell	10,741 -1,000	-9%	-$54.5K	0.03%	363
2023 Q3	$668K	Buy	11,741 +2,741	+30%	+$149K	0.04%	311
2023 Q2	$401K	Buy	9,000 +2,500	+38%	+$109K	0.02%	456
2023 Q1	$314K	Buy	+6,500	New	+$338K	0.02%	442
2016 Q2	–	Sell	-500	Closed	-$14.9K	–	709
2016 Q1	$18K	Buy	+500	New	+$17.2K	﹤0.01%	653
2014 Q4	–	Sell	-24,960	Closed	-$1.09M	–	805
2014 Q3	$1.09M	Sell	24,960 -4,159	-14%	-$194K	0.05%	311
2014 Q2	$1.27M	Buy	+29,119	New	+$1.43M	0.05%	281

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.