Simplex Trading’s Oklo OKLO Stock Holding History

Simplex Trading’s Portfolio OKLO Stock Details OKLO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$30.1M	Buy	575,400 +222,800	+63%	+$13.9M	0.02%	356
2026 Q1	$17.5M	Sell	352,600 -273,300	-44%	-$19.6M	0.01%	473
2025 Q4	$44.9M	Buy	625,900 +22,000	+4%	+$2.45M	0.03%	312
2025 Q3	$67.4M	Sell	603,900 -192,800	-24%	-$15.1M	0.03%	278
2025 Q2	$44.6M	Buy	796,700 +144,200	+22%	+$5.56M	0.03%	315
2025 Q1	$14.1M	Sell	652,500 -62,400	-9%	-$2.11M	0.01%	684
2024 Q4	$15.2M	Buy	714,900 +390,800	+121%	+$7.57M	0.01%	785
2024 Q3	$2.62M	Sell	324,100 -63,900	-16%	-$481K	﹤0.01%	2042
2024 Q2	$3.29M	Buy	388,000 +362,400	+1,416%	+$4.08M	﹤0.01%	1755
2024 Q1	$292K	Buy	+25,600	New	+$275K	﹤0.01%	4432
2023 Q4	–	Sell	-30,000	Closed	-$310K	–	10024
2023 Q3	$310K	Buy	+30,000	New	+$311K	﹤0.01%	3911

Other funds holding OKLO

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Simplex Trading's OKLO Position: Q2 2026 in Review

Simplex Trading opened a new position in Oklo (OKLO) in Q2 2026: 103,032 shares worth $5.39M. The stake represents ﹤0.01% of the portfolio and ranks #1158 among its holdings. This is a return to the name: Simplex Trading previously reported a position in OKLO as recently as Q4 2025.

Simplex Trading first reported a position in OKLO in Q1 2024 and has held it in 7 quarters since. The position peaked at $18.9M in Q3 2025. 671 funds tracked by Wall St. Rank hold OKLO as of Q2 2026.

Simplex Trading held 103,032 shares of Oklo worth $5.39M as of Q2 2026.
Oklo was a new Simplex Trading position in Q2 2026.
Oklo made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #1158 holding.
Simplex Trading first reported a position in Oklo in Q1 2024 and has held it in 7 quarters since.
Simplex Trading's Oklo position peaked at $18.9M in Q3 2025.
671 funds tracked by Wall St. Rank held Oklo as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.