Jane Street’s Janus Henderson Mortgage-Backed Securities ETF JMBS Stock Holding History

Jane Street’s Portfolio JMBS Stock Details JMBS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.84M	Buy	+63,146	New	+$2.85M	﹤0.01%	4595
2025 Q4	–	Sell	-40,883	Closed	-$1.87M	–	11781
2025 Q3	$1.87M	Buy	+40,883	New	+$1.84M	﹤0.01%	5068
2025 Q1	–	Sell	-47,624	Closed	-$2.1M	–	10031
2024 Q4	$2.1M	Buy	47,624 +41,935	+737%	+$1.89M	﹤0.01%	4021
2024 Q3	$265K	Sell	5,689 -78,967	-93%	-$3.63M	﹤0.01%	8225
2024 Q2	$3.78M	Buy	84,656 +17,070	+25%	+$757K	﹤0.01%	3413
2024 Q1	$3.05M	Buy	+67,586	New	+$3.05M	﹤0.01%	3384
2023 Q4	–	Sell	-135,462	Closed	-$5.88M	–	9511
2023 Q3	$5.88M	Buy	135,462 +77,764	+135%	+$3.48M	﹤0.01%	2382
2023 Q2	$2.64M	Buy	+57,698	New	+$2.66M	﹤0.01%	3718
2023 Q1	–	Sell	-182,345	Closed	-$8.29M	–	9472
2022 Q4	$8.29M	Buy	182,345 +142,146	+354%	+$6.42M	﹤0.01%	1827
2022 Q3	$1.81M	Sell	40,199 -364,442	-90%	-$17.4M	﹤0.01%	4353
2022 Q2	$19.4M	Buy	404,641 +345,095	+580%	+$16.7M	0.01%	1142
2022 Q1	$2.97M	Buy	59,546 +32,511	+120%	+$1.67M	﹤0.01%	3978
2021 Q4	$1.42M	Buy	+27,035	New	+$1.43M	﹤0.01%	5197
2021 Q3	–	Sell	-25,000	Closed	-$1.33M	–	10331
2021 Q2	$1.33M	Sell	25,000 -25,920	-51%	-$1.38M	﹤0.01%	5198
2021 Q1	$2.7M	Buy	+50,920	New	+$2.72M	﹤0.01%	3459
2020 Q3	–	Sell	-28,963	Closed	-$1.55M	–	7539
2020 Q2	$1.55M	Buy	+28,963	New	+$1.54M	﹤0.01%	3416
2019 Q4	–	Sell	-11,292	Closed	-$592K	–	5425
2019 Q3	$592K	Sell	11,292 -24,573	-69%	-$1.28M	﹤0.01%	3329
2019 Q2	$1.86M	Buy	35,865 +24,230	+208%	+$1.25M	﹤0.01%	1958
2019 Q1	$598K	Buy	+11,635	New	+$590K	﹤0.01%	3462

Other funds holding JMBS

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

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

HTC

Haverford Trust Company Radnor, Pennsylvania $11.6B AUM 18.97% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

Corient Private Wealth Miami, Florida $72.2B AUM 27.85% 1-Year Est. Return

Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return

Gradient Investments Arden Hills, Minnesota $7.25B AUM 20.71% 1-Year Est. Return

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

Jane Street's JMBS Position: Q2 2026 in Review

Jane Street opened a new position in Janus Henderson Mortgage-Backed Securities ETF (JMBS) in Q2 2026: 63,146 shares worth $2.84M. The stake represents ﹤0.01% of the portfolio and ranks #4595 among its holdings. This is a return to the name: Jane Street previously reported a position in JMBS as recently as Q3 2025.

Jane Street first reported a position in JMBS in Q1 2019 and has held it in 19 quarters since. The position peaked at $19.4M in Q2 2022. 270 funds tracked by Wall St. Rank hold JMBS as of Q2 2026.

Jane Street held 63,146 shares of Janus Henderson Mortgage-Backed Securities ETF worth $2.84M as of Q2 2026.
Janus Henderson Mortgage-Backed Securities ETF was a new Jane Street position in Q2 2026.
Janus Henderson Mortgage-Backed Securities ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #4595 holding.
Jane Street first reported a position in Janus Henderson Mortgage-Backed Securities ETF in Q1 2019 and has held it in 19 quarters since.
Jane Street's Janus Henderson Mortgage-Backed Securities ETF position peaked at $19.4M in Q2 2022.
270 funds tracked by Wall St. Rank held Janus Henderson Mortgage-Backed Securities ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.