Twin Tree Management’s HF Sinclair DINO Stock Holding History

Twin Tree Management’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	$1.69M	Hold	27,100	–	–	0.04%	535
2025 Q4	$1.25M	Buy	27,100 +27,000	+27,000%	+$1.39M	0.01%	961
2025 Q3	$5.23K	Sell	100 -63,500	-100%	-$3.01M	﹤0.01%	1398
2025 Q2	$2.61M	Buy	+63,600	New	+$2.19M	﹤0.01%	1191
2018 Q4	–	Sell	-13,700	Closed	-$958K	–	1355
2018 Q3	$958K	Buy	+13,700	New	+$967K	0.01%	730
2018 Q2	–	Sell	-1,000	Closed	-$49K	–	1173
2018 Q1	$49K	Sell	1,000 -63,800	-98%	-$3.03M	﹤0.01%	1009
2017 Q4	$3.32M	Buy	64,800 +53,700	+484%	+$2.27M	0.02%	488
2017 Q3	$399K	Buy	+11,100	New	+$334K	﹤0.01%	777
2017 Q1	–	Sell	-21,000	Closed	-$688K	–	1064
2016 Q4	$688K	Buy	+21,000	New	+$582K	0.01%	846
2015 Q1	–	Sell	-500	Closed	-$19K	–	1183
2014 Q4	$19K	Hold	500	–	–	﹤0.01%	1033
2014 Q3	$22K	Buy	+500	New	+$23.3K	﹤0.01%	946
2013 Q3	–	Sell	-300	Closed	-$13K	–	829
2013 Q2	$13K	Buy	+300	New	+$14.3K	﹤0.01%	773

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

Twin Tree Management's DINO Position: Q1 2026 in Review

Twin Tree Management opened a new position in HF Sinclair (DINO) in Q1 2026: 17,929 shares worth $1.12M. The stake represents 0.02% of the portfolio and ranks #687 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in DINO as recently as Q2 2025.

Twin Tree Management first reported a position in DINO in Q2 2015 and has held it in 12 quarters since. The position peaked at $5.5M in Q2 2025. 644 funds tracked by Wall St. Rank hold DINO as of Q1 2026.

Twin Tree Management held 17,929 shares of HF Sinclair worth $1.12M as of Q1 2026.
HF Sinclair was a new Twin Tree Management position in Q1 2026.
HF Sinclair made up 0.02% of Twin Tree Management's portfolio in Q1 2026, its #687 holding.
Twin Tree Management first reported a position in HF Sinclair in Q2 2015 and has held it in 12 quarters since.
Twin Tree Management's HF Sinclair position peaked at $5.5M in Q2 2025.
644 funds tracked by Wall St. Rank held HF Sinclair as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.