Jane Street’s ProShares UltraShort Materials SMN Stock Holding History

Jane Street’s Portfolio SMN Stock Details SMN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$192K	Buy	+8,968	New	+$193K	﹤0.01%	10188
2023 Q2	–	Sell	-2,614	Closed	-$98.9K	–	9509
2023 Q1	$98.9K	Buy	+2,614	New	+$100K	﹤0.01%	8235
2022 Q2	–	Sell	-5,760	Closed	-$231K	–	10776
2022 Q1	$231K	Buy	+5,760	New	+$271K	﹤0.01%	8814
2019 Q3	–	Sell	-3,047	Closed	-$628K	–	5692
2019 Q2	$628K	Buy	+3,047	New	+$686K	﹤0.01%	3293
2018 Q2	–	Sell	-1,603	Closed	-$370K	–	5567
2018 Q1	$370K	Buy	1,603 +343	+27%	+$71.4K	﹤0.01%	3802
2017 Q4	$266K	Buy	+1,260	New	+$286K	﹤0.01%	3896
2017 Q3	–	Sell	-1,073	Closed	-$304K	–	5008
2017 Q2	$304K	Buy	+1,073	New	+$313K	﹤0.01%	3580
2017 Q1	–	Sell	-1,017	Closed	-$347K	–	4632
2016 Q4	$347K	Sell	1,017 -6,802	-87%	-$2.5M	﹤0.01%	3211
2016 Q3	$3.02M	Buy	+7,819	New	+$3.06M	0.01%	870

Other funds holding SMN

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Jane Street's SMN Position: Q1 2026 in Review

Jane Street opened a new position in ProShares UltraShort Materials (SMN) in Q1 2026: 8,968 shares worth $192K. The stake represents ﹤0.01% of the portfolio and ranks #10188 among its holdings. This is a return to the name: Jane Street previously reported a position in SMN as recently as Q1 2023.

Jane Street first reported a position in SMN in Q3 2016 and has held it in 9 quarters since. The position peaked at $3.02M in Q3 2016. 2 funds tracked by Wall St. Rank hold SMN as of Q1 2026.

Jane Street held 8,968 shares of ProShares UltraShort Materials worth $192K as of Q1 2026.
ProShares UltraShort Materials was a new Jane Street position in Q1 2026.
ProShares UltraShort Materials made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10188 holding.
Jane Street first reported a position in ProShares UltraShort Materials in Q3 2016 and has held it in 9 quarters since.
Jane Street's ProShares UltraShort Materials position peaked at $3.02M in Q3 2016.
2 funds tracked by Wall St. Rank held ProShares UltraShort Materials as of Q1 2026.

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