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Equibles

QUBT

Quantum Computing Inc.

Company with tickers: QUBT

CIK
1758009
CUSIP
74766W108
Shares Outstanding
225,534,987
13F Activity (30d)
221 filings 218 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 298
Total Value: $734,988,065
Total Shares: 107,297,554
Showing 1–100 of 322 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 298 13F filers · Δ vs Dec 31, 2025
Top Holder
15.0%
Jun 2023 → Mar 2026 · range 10.5% – 56.2%
+0.1 pts
Top 5
39.6%
Jun 2023 → Mar 2026 · range 39.6% – 88.7%
−8.6 pts
Top 10
59.3%
Jun 2023 → Mar 2026 · range 59.3% – 96.3%
−5.4 pts
HHI
507
Jun 2023 → Mar 2026 · range 507 – 3,549
Broadly held −135

Quarterly Activity

vs Dec 31, 2025
New
55
Increased
107
Decreased
75
Sold Out
57
Unchanged
61
Holder count: -2
Institutional value: -36.3%
Shares held: -4.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Defiance ETFs, LLC +1,315,178 4,495,083
Mega MORGAN STANLEY +991,145 2,320,726
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. +975,133 2,203,301
Large PEAK6 LLC +611,520 836,320
Large RENAISSANCE TECHNOLOGIES LLC +532,451 667,674

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Marex Group plc −3,783,241 4,488,912
Mega CITADEL ADVISORS LLC −2,021,461 4,203,980
Mega BARCLAYS PLC −1,100,069 38,105
Mega AMERIPRISE FINANCIAL INC −1,047,313 57,087
Mega JANE STREET GROUP, LLC −557,700 1,387,700

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 8,762,295 $60,021,720
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 6,710,124 $45,964,349
Mega VANGUARD FIDUCIARY TRUST CO 1,343,626 $9,203,838
Large HRT FINANCIAL LP 1,275,863 $8,739,661
Mid Engineers Gate Manager LP 658,589 $4,511,334

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 16,841,423 $172,792,998
Large Balyasny Asset Management L.P. 1,081,300 $11,094,138
Mega CANADA PENSION PLAN INVESTMENT BOARD 1,026,700 $10,533,942
Large JUPITER ASSET MANAGEMENT LTD 638,349 $6,549,460
Large Alyeska Investment Group, L.P. 500,000 $5,130,000
Filter: New 55 Increased 107 Reduced 75 Sold out 57 Unchanged 61
Showing 100 of 322
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $110,553,594 15.04% 16,139,212
Mega VANGUARD CAPITAL MANAGEMENT LLC $60,021,720 8.17% 8,762,295
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $45,964,349 6.25% 6,710,124
Mega GEODE CAPITAL MANAGEMENT, LLC $32,197,089 4.38% 4,700,305
Mega STATE STREET CORP $30,940,217 4.21% 4,516,820
Mid Defiance ETFs, LLC Mutual Fund $30,791,318 4.19% 4,495,083
Large Marex Group plc $30,749,046 4.18% 4,488,912
Mid Penserra Capital Management LLC $22,946,451 3.12% 3,349,847
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $18,896,410 2.57% 2,758,600
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $18,847,090 2.56% 2,751,400
Mega MORGAN STANLEY $15,896,970 2.16% 2,320,726
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $15,092,611 2.05% 2,203,301
Mega CITADEL ADVISORS LLC $13,829,465 1.88% 2,018,900
Large CAPITAL FUND MANAGEMENT S.A. $11,651,130 1.59% 1,700,895
Mega NORTHERN TRUST CORP Bank $11,570,203 1.57% 1,689,081
Large Mubadala Investment Co PJSC $10,873,347 1.48% 1,587,350
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $10,221,638 1.39% 1,492,210
Large Squarepoint Ops LLC $9,259,371 1.26% 1,351,733
Mega VANGUARD FIDUCIARY TRUST CO Bank $9,203,838 1.25% 1,343,626
Mega CITADEL ADVISORS LLC $9,070,085 1.23% 1,324,100
Mega UBS Group AG $9,012,489 1.23% 1,315,692
Large HRT FINANCIAL LP $8,739,661 1.19% 1,275,863
Mega Bank of New York Mellon Corp Bank $7,004,831 0.95% 1,022,604
Mid Pacific Heights Asset Management LLC $6,850,000 0.93% 1,000,000
Mega VAN ECK ASSOCIATES CORP $6,655,473 0.91% 971,602
Large CAPITAL FUND MANAGEMENT S.A. $6,541,065 0.89% 954,900
Mid Jump Financial, LLC $6,435,115 0.88% 939,433
Mega GOLDMAN SACHS GROUP INC $6,219,621 0.85% 907,974
Mega JANE STREET GROUP, LLC $5,954,705 0.81% 869,300
Mega CITADEL ADVISORS LLC $5,897,712 0.80% 860,980
Large Clear Street Group Inc. $5,769,200 0.78% 842,219
Large CAPITAL FUND MANAGEMENT S.A. $5,461,505 0.74% 797,300
Mega RAYMOND JAMES FINANCIAL INC $5,408,642 0.74% 789,583
Large PEAK6 LLC $4,989,540 0.68% 728,400
Mega D. E. Shaw & Co., Inc. $4,919,738 0.67% 718,210
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,711,587 0.64% 687,823
Large RENAISSANCE TECHNOLOGIES LLC $4,573,566 0.62% 667,674
Mid Engineers Gate Manager LP $4,511,334 0.61% 658,589
Mega Nuveen, LLC $4,326,993 0.59% 631,678
Mega JANE STREET GROUP, LLC $3,551,040 0.48% 518,400
Large Blackstone Inc. $3,425,000 0.47% 500,000
Large Walleye Trading LLC $3,117,435 0.42% 455,100
Mega BANK OF AMERICA CORP /DE/ Bank $3,012,456 0.41% 439,775
Mid Quantbot Technologies LP $2,815,678 0.38% 411,048
Mega Swiss National Bank Bank $2,724,245 0.37% 397,700
Mega TWO SIGMA INVESTMENTS, LP $2,632,126 0.36% 384,252
Small UNICOM Systems, Inc. $2,481,611 0.34% 362,279
Mega BNP PARIBAS ARBITRAGE, SA $2,335,336 0.32% 340,925
Mid ALGERT GLOBAL LLC $2,148,372 0.29% 313,631
Mega LPL Financial LLC $1,937,611 0.26% 282,863
Small Headlands Technologies LLC $1,898,806 0.26% 277,198
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $1,726,213 0.23% 252,002
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,715,654 0.23% 250,461
Mega RHUMBLINE ADVISERS $1,609,715 0.22% 234,995
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,557,751 0.21% 227,409
Large Parallax Volatility Advisers, L.P. $1,465,900 0.20% 214,000
Mega ALLIANCEBERNSTEIN L.P. $1,441,774 0.20% 210,478
Mid Quadrature Capital Ltd $1,434,033 0.20% 209,348
Mega ROYAL BANK OF CANADA Bank $1,352,811 0.18% 197,491
Mid Foundations Investment Advisors, LLC Endowment $1,300,246 0.18% 189,817
Small SLT Holdings LLC $1,288,142 0.18% 188,050
Large LOS ANGELES CAPITAL MANAGEMENT LLC $1,271,421 0.17% 185,609
Mid Focus Financial Network, Inc. $1,242,555 0.17% 181,395
Large Walleye Trading LLC $1,226,095 0.17% 178,992
Mega JPMORGAN CHASE & CO $1,199,940 0.16% 175,174
Mega DEUTSCHE BANK AG\ Bank $1,189,076 0.16% 173,588
Mid SIMPLEX TRADING, LLC $1,137,456 0.15% 166,052
Large Walleye Trading LLC $1,134,360 0.15% 165,600
Mega Legal & General Group Plc $1,129,433 0.15% 164,881
Small Crawford Fund Management, LLC $1,116,550 0.15% 163,000
Large Parallax Volatility Advisers, L.P. $1,027,500 0.14% 150,000
Mid SBI Securities Co., Ltd. Broker-Dealer $963,425 0.13% 140,646
Large NATIONAL BANK OF CANADA /FI/ Bank $953,170 0.13% 139,149
Mega WELLS FARGO & COMPANY/MN $944,806 0.13% 137,928
Large FIFTH THIRD BANCORP Bank $919,955 0.13% 134,300
Mega VANGUARD ASSET MANAGEMENT, Ltd $906,556 0.12% 132,344
Mid Concurrent Investment Advisors, LLC $894,082 0.12% 130,523
Mega Invesco Ltd. $889,519 0.12% 129,857
Mega TWO SIGMA INVESTMENTS, LP $834,330 0.11% 121,800
Large Cetera Investment Advisers $789,770 0.11% 115,295
Large MetLife Investment Management, LLC $775,577 0.11% 113,223
Mid GROUP ONE TRADING LLC $708,529 0.10% 103,435
Mid Yarbrough Capital, LLC $678,533 0.09% 99,056
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $656,209 0.09% 95,797
Mid Virtu Financial LLC $628,823 0.09% 91,799
Mega JANUS HENDERSON GROUP PLC $601,553 0.08% 87,818
Large STATE OF WISCONSIN INVESTMENT BOARD $596,717 0.08% 87,112
Mega MILLENNIUM MANAGEMENT LLC $596,189 0.08% 87,035
Small STEVENS CAPITAL MANAGEMENT LP $593,895 0.08% 86,700
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $593,196 0.08% 86,598
Large Russell Investments Group, Ltd. $578,378 0.08% 84,435
Large Vident Advisory, LLC $523,613 0.07% 76,440
Mid XTX Topco Ltd $512,099 0.07% 74,759
Mega Vanguard Global Advisers, LLC $511,893 0.07% 74,729
Mega Amundi $502,988 0.07% 73,429
Large Walleye Capital LLC $498,680 0.07% 72,800
Small Bouvel Investment Partners, LLC $496,234 0.07% 72,443
Large BANQUE PICTET & CIE SA $493,200 0.07% 72,000
Large Cambridge Investment Research Advisors, Inc. $488,535 0.07% 71,319
Mega CITIGROUP INC $482,794 0.07% 70,481

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