Jane Street’s Onterris Inc ONT Stock Holding History

Jane Street’s Portfolio ONT Stock Details ONT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-41,800	Closed	-$1.04M	–	12427
2025 Q4	$1.04M	Hold	41,800	–	–	﹤0.01%	6042
2025 Q3	$1.15M	Sell	41,800 -45,300	-52%	-$1.18M	﹤0.01%	6016
2025 Q2	$1.91M	Buy	87,100 +500	+0.6%	+$8.96K	﹤0.01%	4498
2025 Q1	$1.23M	Buy	86,600 +41,400	+92%	+$788K	﹤0.01%	5176
2024 Q4	$838K	Buy	+45,200	New	+$951K	﹤0.01%	5715
2022 Q2	–	Sell	-7,300	Closed	-$386K	–	10406
2022 Q1	$386K	Sell	7,300 -68,700	-90%	-$3.4M	﹤0.01%	7943
2021 Q4	$5.36M	Buy	76,000 +2,900	+4%	+$201K	﹤0.01%	2753
2021 Q3	$4.51M	Buy	73,100 +4,400	+6%	+$230K	﹤0.01%	2904
2021 Q2	$3.69M	Buy	+68,700	New	+$3.62M	﹤0.01%	3182

Other funds holding ONT

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

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

Jane Street's ONT Position: Q1 2026 in Review

Jane Street increased its Onterris Inc (ONT) stake by 101% in Q1 2026, buying an estimated $1.75M and bringing the position to 145,401 shares worth $3.18M. The position accounts for ﹤0.01% of the portfolio, ranked #4241.

Jane Street first reported a position in ONT in Q2 2021 and has held it in 12 quarters since. The position peaked at $11.1M in Q3 2025. 171 funds tracked by Wall St. Rank hold ONT as of Q1 2026.

Jane Street held 145,401 shares of Onterris Inc worth $3.18M as of Q1 2026.
Jane Street bought 73,038 Onterris Inc shares in Q1 2026, an estimated $1.75M.
Onterris Inc made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4241 holding.
Jane Street first reported a position in Onterris Inc in Q2 2021 and has held it in 12 quarters since.
Jane Street's Onterris Inc position peaked at $11.1M in Q3 2025.
171 funds tracked by Wall St. Rank held Onterris Inc as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.