Atom Investors’s HF Sinclair DINO Stock Holding History

Atom Investors’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	$1.15M	Sell	18,502 -9,774	-35%	-$530K	0.08%	335
2025 Q4	$1.3M	Buy	+28,276	New	+$1.46M	0.1%	267
2021 Q2	–	Sell	-10,437	Closed	-$373K	–	263
2021 Q1	$373K	Sell	10,437 -45,272	-81%	-$1.51M	0.06%	173
2020 Q4	$1.44M	Buy	+55,709	New	+$1.26M	0.15%	162
2019 Q2	–	Sell	-12,303	Closed	-$606K	–	459
2019 Q1	$606K	Buy	+12,303	New	+$655K	0.05%	262

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

Atom Investors's DINO Position: Q1 2026 in Review

Atom Investors reduced its HF Sinclair (DINO) stake by 35% in Q1 2026, selling an estimated $530K and leaving 18,502 shares worth $1.15M. The position accounts for 0.08% of the portfolio, ranked #335.

Atom Investors first reported a position in DINO in Q1 2019 and has held it in 5 quarters since. The position peaked at $1.44M in Q4 2020. 644 funds tracked by Wall St. Rank hold DINO as of Q1 2026.

Atom Investors held 18,502 shares of HF Sinclair worth $1.15M as of Q1 2026.
Atom Investors sold 9,774 HF Sinclair shares in Q1 2026, an estimated $530K.
HF Sinclair made up 0.08% of Atom Investors's portfolio in Q1 2026, its #335 holding.
Atom Investors first reported a position in HF Sinclair in Q1 2019 and has held it in 5 quarters since.
Atom Investors's HF Sinclair position peaked at $1.44M in Q4 2020.
644 funds tracked by Wall St. Rank held HF Sinclair as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.