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View Full Filing (SEC EDGAR)Quantum Computing Inc
$6.36-7%
+$330.2M
Net Activity
+23.94% total shares
Institutions Holding
319
Popularity Rank
#1990
Avg Weight
0.02%
Total Value
$1.5B
Market Cap
$1.0M
319 institutions currently hold QUBT, with 207 net buyers and 102 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
102
Net Buying Institutions
207
Top 5 by Value
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Across its top 20 institutional holders, QUBT's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 46/100).
QUBT ranks #1990 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
QUBT is a disclosed holding of Jane Street (Jane Street Group), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
319 institutions disclose a position in QUBT, but none treat it as a major bet — even Defiance ETFs, LLC, its most concentrated holder, allocates just 0.9% of its own portfolio to it.
GAMMA Investing LLC has added to its QUBT position for two straight quarters, increasing it by $10.8K to reach $18.6K today.
Concurrent Investment Advisors, LLC has trimmed its QUBT position for two straight quarters, cutting it by $485.9K while still holding $408.2K.
QUBT is down 7% today, but institutions show net buying of $330.2M this quarter — a divergence between today's price move and the underlying institutional flow.
QUBT reported a net loss of $15.0M over the trailing twelve months.
+$584.7M
Total Buy Value
$104.1M
Total Sell Value
207
Net Buyers
102
Net Sellers
QUBT
Q2 2026
Top 5 Institutional Movers
QUBT does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
4
Filings (14d)
No AI summary for this filing type
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)Quantum Computing Inc. announced that Dr. Pouya Dianat has stepped down as Chief Revenue Officer and assumed a new role as Chief Product Officer, effective immediately. The change was mutually agreed, and his compensation remains essentially unchanged. The company also noted an other event (Item 8.01) but provided no further details.
View Full Filing (SEC EDGAR)74766W108
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Institutions Holding
6,278
Total reported value
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3254 13F institutions increased their position this quarter
Institutions Holding
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3054 13F institutions increased their position this quarter
Institutions Holding
6,188
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2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
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Held by 4789 institutions — one of the most-tracked stocks on AlphaSMO
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Institutions Holding
4,662
Total reported value
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Held by 4662 institutions — one of the most-tracked stocks on AlphaSMO
Access QUBT's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/QUBTCLI
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