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 Q2	$2.77M	Buy	39,746 +21,244	+115%	+$1.41M	0.25%	99
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 $6.73T AUM 46.02% 1-Year Est. Return

TCTC Holdings Dallas, Texas $3.81B AUM 32.17% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Atom Investors's DINO Position: Q2 2026 in Review

Atom Investors increased its HF Sinclair (DINO) stake by 115% in Q2 2026, buying an estimated $1.41M and bringing the position to 39,746 shares worth $2.77M. The position accounts for 0.25% of the portfolio, ranked #99.

Atom Investors first reported a position in DINO in Q1 2019 and has held it in 6 quarters since. 687 funds tracked by Wall St. Rank hold DINO as of Q2 2026.

Atom Investors held 39,746 shares of HF Sinclair worth $2.77M as of Q2 2026.
Atom Investors bought 21,244 HF Sinclair shares in Q2 2026, an estimated $1.41M.
HF Sinclair made up 0.25% of Atom Investors's portfolio in Q2 2026, its #99 holding.
Atom Investors first reported a position in HF Sinclair in Q1 2019 and has held it in 6 quarters since.
687 funds tracked by Wall St. Rank held HF Sinclair as of Q2 2026.

Based on Atom Investors's 13F filing for Q2 2026, filed 14 Aug 2026.