Which funds hold QUMSR?

As of 2026-Q2, 2 institutional funds reported holding QUMSR (QUANTUMSPHERE ACQUISITION CO) in SEC 13F filings, with a combined reported value of $23.20K.

How many shares of QUMSR do institutions own?

13F filers reported 141.03K shares of QUMSR, worth $23.20K in aggregate at the end of 2026-Q2.

Is institutional ownership of QUMSR rising or falling?

Share counts moved -83.0% versus the prior quarter — distribution.

Where does this data come from?

All figures are computed from SEC Form 13F quarterly filings, which institutional investment managers must file within 45 days of quarter end for long positions of $100,000 or more.

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QUMSR — QUANTUMSPHERE ACQUISITION CO

Reported value held$195.83K

Funds holding (latest)4

Sector—

Funds holding (Q2 2026)2

Institutional value$23.20K · 141.03K sh

New / Add / Cut / Exit0 / 0 / 0 / 1

Top-5 / Top-10 concentration100.0% / 100.0%

Institutional holdings change Reducing -83.0% (-690.40K sh)

Institutional value change Down -88.8%

As of Q2 2026, 2 SEC-registered investment managers reported holding QUMSR (QUANTUMSPHERE ACQUISITION CO) in their latest 13F filings, with a combined reported value of $23.20K across 141.03K shares. That is -83.0% by share count (-690.40K shares) versus the previous quarter, while reported value moved -88.8%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.

Compared with the prior quarter, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

Q2 2026 — 2 funds

Fund	Shares	Value	Portfolio Weight	Change
D. E. Shaw & Co history	125.00K	$21.25K	0.00%	Hold
UBS Group AG history	16.03K	$1.96K	0.00%	Hold

Q1 2026 — 3 funds

Fund	Shares	Value	Portfolio Weight	Change
JPMorgan Chase & Co history	690.40K	$172.60K	0.01%	New
D. E. Shaw & Co history	125.00K	$31.25K	0.00%	Hold
UBS Group AG history	16.03K	$2.56K	0.00%	Hold

Q4 2025 — 3 funds

Fund	Shares	Value	Portfolio Weight	Change
D. E. Shaw & Co history	125.00K	$26.26K	0.00%	New
UBS Group AG history	16.10K	$3.38K	0.00%	New
Bank of America Corp history	100	$21	0.00%	New

New Positions (Q2 2026)

No fund opened a new position this quarter.

Fully Exited (vs previous quarter)

JPMorgan Chase & Co sold 690.40K sh · $172.60K

Fund Position History — shares by quarter (top 4 funds)

Fund	Q4 2025	Q1 2026	Q2 2026
D. E. Shaw & Co	125.00K	125.00K	125.00K
UBS Group AG	16.10K	16.03K	16.03K
JPMorgan Chase & Co	—	690.40K	—
Bank of America Corp	100	—	—

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