Simplex Trading’s ON24 ONTF Stock Holding History

Simplex Trading’s Portfolio ONTF Stock Details ONTF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$81K	Buy	+10,000	New	+$79.9K	﹤0.01%	5329
2025 Q1	–	Sell	-200	Closed	-$1K	–	9326
2024 Q4	$1K	Sell	200 -100	-33%	-$642	﹤0.01%	8279
2024 Q3	$1K	Buy	300 +100	+50%	+$618	﹤0.01%	8239
2024 Q2	$1K	Buy	+200	New	+$1.27K	﹤0.01%	8513
2023 Q2	–	Sell	-160,300	Closed	-$1.4M	–	9655
2023 Q1	$1.4M	Buy	+160,300	New	+$1.42M	﹤0.01%	2264
2022 Q4	–	Sell	-200	Closed	-$1K	–	10069
2022 Q3	$1K	Sell	200 -600	-75%	-$5.75K	﹤0.01%	9599
2022 Q2	$7K	Sell	800 -3,500	-81%	-$42.4K	﹤0.01%	8609
2022 Q1	$56K	Sell	4,300 -3,400	-44%	-$51.1K	﹤0.01%	6984
2021 Q4	$133K	Buy	+7,700	New	+$137K	﹤0.01%	5791

Other funds holding ONTF

LLL

Lynrock Lake LP Rye Brook, New York $1.46B AUM 17.55% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

OBAM

ODDO BHF Asset Management Paris, France $2.54B AUM 41.83% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

GCL

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Simplex Trading's ONTF Position: Q1 2026 in Review

Simplex Trading opened a new position in ON24 (ONTF) in Q1 2026: 1,875 shares worth $15.2K. The stake represents ﹤0.01% of the portfolio and ranks #6987 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ONTF as recently as Q4 2024.

Simplex Trading first reported a position in ONTF in Q2 2022 and has held it in 6 quarters since. The position peaked at $365K in Q1 2023. 123 funds tracked by Wall St. Rank hold ONTF as of Q1 2026.

Simplex Trading held 1,875 shares of ON24 worth $15.2K as of Q1 2026.
ON24 was a new Simplex Trading position in Q1 2026.
ON24 made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6987 holding.
Simplex Trading first reported a position in ON24 in Q2 2022 and has held it in 6 quarters since.
Simplex Trading's ON24 position peaked at $365K in Q1 2023.
123 funds tracked by Wall St. Rank held ON24 as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.