INNOVATIVE SOLUTIONS & SUPPORT INC - ISSC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
MARSHALL WACE, LLP History Reduced 753,377 15,466 0.02% 0.01% 1 -1,111 -0.15% Q1 2026 May 14, 2026
VANGUARD GROUP INC History No change 696,748 13,196 0.0% 0.0% 2 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 625,775 12,847 0.0% 3 +625,775 New Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 603,247 12,384 0.0% 0.0% 4 -68,281 -10.17% Q1 2026 May 15, 2026
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. History Reduced 518,618 10,647 0.61% 0.66% 5 -76,556 -12.86% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History New 435,900 8,949 0.01% 6 +435,900 New Q1 2026 May 15, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 368,267 7,557 0.0% 0.0% 7 -9,566 -2.53% Q1 2026 May 07, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC History New 348,103 7,146 0.05% 8 +348,103 New Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 302,893 6,218 0.01% 0.01% 9 +33,800 12.56% Q1 2026 May 14, 2026
BlackRock, Inc. History Reduced 287,578 5,903 0.0% 0.0% 10 -56,183 -16.34% Q1 2026 May 13, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Added to 276,323 5,672 0.0% 0.0% 11 +51,222 22.76% Q1 2026 May 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 273,405 5,613 0.0% 0.0% 12 -43,240 -13.66% Q1 2026 May 15, 2026
PEAK6 LLC History Reduced 270,900 5,561 0.01% 0.01% 13 -48,000 -15.05% Q1 2026 May 13, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 248,692 5,105 0.0% 0.0% 14 -31,887 -11.36% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Added to 239,986 4,926 0.0% 0.0% 15 +47,164 24.46% Q1 2026 May 12, 2026
ALGERT GLOBAL LLC History New 230,834 4,739 0.07% 16 +230,834 New Q1 2026 May 14, 2026
AMERICAN CENTURY COMPANIES INC History Added to 228,052 4,681 0.0% 0.0% 17 +206,934 979.89% Q1 2026 May 15, 2026
Qube Research & Technologies Ltd History Added to 212,137 4,355 0.0% 0.0% 18 +131,162 161.98% Q1 2026 May 15, 2026
WealthTrust Axiom LLC History Reduced 206,332 4,236 1.04% 1.88% 19 -180,038 -46.6% Q1 2026 May 11, 2026
CITADEL ADVISORS LLC History Added to 201,579 4,138 0.0% 0.0% 20 +30,549 17.86% Q1 2026 May 15, 2026
Connor, Clark & Lunn Investment Management Ltd. History Added to 170,853 3,507 0.01% 0.01% 21 +5,769 3.49% Q1 2026 May 11, 2026
ISTHMUS PARTNERS, LLC History Reduced 165,173 3,391 0.36% 0.36% 22 -5,822 -3.4% Q1 2026 Apr 29, 2026
RAYMOND JAMES FINANCIAL INC History Reduced 149,358 3,066 0.0% 0.0% 23 -14,162 -8.66% Q1 2026 May 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 146,056 3,000 0.0% 0.0% 24 +7,124 5.13% Q1 2026 May 15, 2026
Hennion & Walsh Asset Management, Inc. History Added to 143,300 2,941 0.1% 0.04% 25 +78,701 121.83% Q1 2026 May 13, 2026
Trexquant Investment LP History New 141,322 2,901 0.02% 26 +141,322 New Q1 2026 May 15, 2026
GAMCO INVESTORS, INC. ET AL History No change 126,500 2,597 0.03% 0.02% 27 0 0.0% Q1 2026 May 14, 2026
MACKENZIE FINANCIAL CORP History New 120,654 2,477 0.0% 28 +120,654 New Q1 2026 May 13, 2026
GABELLI FUNDS LLC History Added to 117,770 2,417 0.02% 0.01% 29 +7,957 7.25% Q1 2026 May 14, 2026
LAZARD ASSET MANAGEMENT LLC History Added to 111,619 2,291 0.0% 0.0% 30 +9,000 8.77% Q1 2026 May 15, 2026
LPL Financial LLC History Added to 111,216 2,283 0.0% 0.0% 31 +94,240 555.14% Q1 2026 May 06, 2026
Teton Advisors, LLC History Reduced 111,000 2,278 1.6% 1.71% 32 -19,000 -14.62% Q1 2026 May 14, 2026
Penserra Capital Management LLC History New 109,099 2,239 0.03% 33 +109,099 New Q1 2026 May 11, 2026
UBS Group AG History Added to 106,710 2,190 0.0% 0.0% 34 +19,778 22.75% Q1 2026 May 05, 2026
Ancora Advisors LLC History Reduced 104,850 2,152 0.05% 0.06% 35 -56,950 -35.2% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Added to 101,778 2,089 0.0% 0.0% 36 +92,687 1019.55% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Reduced 101,529 2,084 0.0% 0.0% 37 -17,030 -14.36% Q1 2026 May 15, 2026
Y-Intercept (Hong Kong) Ltd History New 93,404 1,917 0.04% 38 +93,404 New Q1 2026 Apr 27, 2026
Man Group plc History Reduced 80,589 1,654 0.0% 0.0% 39 -74,127 -47.91% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 79,210 1,626 0.0% 40 +79,210 New Q1 2026 May 08, 2026
Russell Investments Group, Ltd. History Added to 76,561 1,571 0.0% 0.0% 41 +16,082 26.59% Q1 2026 May 08, 2026
CREDIT AGRICOLE S A History New 70,000 1,437 0.0% 42 +70,000 New Q1 2026 May 15, 2026
Pekin Hardy Strauss, Inc. History Reduced 69,950 1,436 0.15% 0.24% 43 -69,750 -49.93% Q1 2026 May 06, 2026
Palisades Investment Partners, LLC History Reduced 64,354 1,321 0.52% 1.71% 44 -174,922 -73.1% Q1 2026 Apr 30, 2026
SEI INVESTMENTS CO History Added to 62,798 1,289 0.0% 0.0% 45 +31,399 100.0% Q1 2026 May 13, 2026
STATE STREET CORP History Reduced 58,593 1,202 0.0% 0.0% 46 -5,600 -8.72% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Added to 55,771 1,144 0.0% 0.0% 47 +29,054 108.75% Q1 2026 May 05, 2026
Point72 Asset Management, L.P. History Added to 54,454 1,117 0.0% 0.0% 48 +4,979 10.06% Q1 2026 May 15, 2026
Informed Momentum Co LLC History Added to 52,733 1,082 0.12% 0.11% 49 +1,152 2.23% Q1 2026 May 13, 2026
SIERRA SUMMIT ADVISORS LLC History New 48,672 999 0.15% 50 +48,672 New Q1 2026 Apr 27, 2026
Squarepoint Ops LLC History Added to 48,267 990 0.0% 0.0% 51 +32,174 199.93% Q1 2026 May 15, 2026
HRT FINANCIAL LP History New 45,468 933 0.0% 52 +45,468 New Q1 2026 May 14, 2026
ACADIAN ASSET MANAGEMENT LLC History New 44,674 916 0.0% 53 +44,674 New Q1 2026 May 13, 2026
AMERIPRISE FINANCIAL INC History Added to 42,510 872 0.0% 0.0% 54 +25,529 150.34% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Reduced 41,172 845 0.0% 0.0% 55 -2,576 -5.89% Q1 2026 May 14, 2026
BARCLAYS PLC History Added to 38,586 792 0.0% 0.0% 56 +9,251 31.54% Q1 2026 May 14, 2026
XTX Topco Ltd History Reduced 37,219 764 0.01% 0.02% 57 -2,947 -7.34% Q1 2026 May 15, 2026
Schonfeld Strategic Advisors LLC History New 31,923 655 0.0% 58 +31,923 New Q1 2026 May 15, 2026
SIMPLEX TRADING, LLC History New 31,723 651 0.0% 59 +31,723 New Q1 2026 May 14, 2026
HighTower Advisors, LLC History Reduced 29,967 615 0.0% 0.0% 60 -19,200 -39.05% Q1 2026 May 05, 2026
Precision Wealth Strategies, LLC History New 29,002 595 0.2% 61 +29,002 New Q1 2026 May 06, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 28,500 585 0.01% 0.01% 62 0 0.0% Q1 2026 May 15, 2026
Mesirow Financial Investment Management, Inc. History Reduced 27,224 558 0.01% 0.04% 63 -62,975 -69.82% Q1 2026 Apr 21, 2026
COMMONWEALTH EQUITY SERVICES, LLC History New 26,087 535 0.0% 64 +26,087 New Q1 2026 Apr 27, 2026
Hudson Bay Capital Management LP History Added to 26,048 534 0.0% 0.0% 65 +2,460 10.43% Q1 2026 May 13, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 25,858 530 0.0% 0.0% 66 -22,280 -46.28% Q1 2026 May 15, 2026
Inspire Investing, LLC History New 25,081 514 0.04% 67 +25,081 New Q1 2026 Apr 23, 2026
FOX RUN MANAGEMENT, L.L.C. History New 26,170 511 0.09% 68 +26,170 New Q1 2026 May 12, 2026
GROUP ONE TRADING LLC History Added to 24,591 504 0.0% 0.0% 69 +19,214 357.34% Q1 2026 May 13, 2026
PANAGORA ASSET MANAGEMENT INC History Added to 21,099 433 0.0% 0.0% 70 +183 0.87% Q1 2026 May 14, 2026
JAMES INVESTMENT RESEARCH, INC. History No change 20,400 418 0.05% 0.04% 71 0 0.0% Q1 2026 Apr 24, 2026
Virtu Financial LLC History New 20,327 417 0.02% 72 +20,327 New Q1 2026 May 14, 2026
IMC-Chicago, LLC History New 19,979 410 0.0% 73 +19,979 New Q1 2026 May 05, 2026
Brevan Howard Capital Management LP History New 19,589 402 0.0% 74 +19,589 New Q1 2026 May 15, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Reduced 19,417 398 0.0% 0.0% 75 -4,801 -19.82% Q1 2026 May 13, 2026
Wharton Business Group, LLC History No change 19,395 398 0.02% 0.01% 76 0 0.0% Q1 2026 May 07, 2026
GREAT VALLEY ADVISOR GROUP, INC. History Added to 19,097 392 0.01% 0.0% 77 +5,869 44.37% Q1 2026 May 11, 2026
DAVENPORT & Co LLC History New 19,000 390 0.0% 78 +19,000 New Q1 2026 Apr 15, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Added to 18,700 383 0.0% 0.0% 79 +12,400 196.83% Q1 2026 May 15, 2026
683 Capital Management, LLC History Reduced 18,000 369 0.02% 0.04% 80 -27,000 -60.0% Q1 2026 May 15, 2026
ALPS ADVISORS INC History New 17,870 366 0.0% 81 +17,870 New Q1 2026 May 08, 2026
Caitong International Asset Management Co., Ltd History Added to 17,305 355 0.07% 0.0% 82 +17,053 6767.06% Q1 2026 May 11, 2026
RITHOLTZ WEALTH MANAGEMENT History Added to 15,919 326 0.01% 0.01% 83 +1,452 10.04% Q1 2026 Apr 20, 2026
Empowered Funds, LLC History New 15,615 320 0.0% 84 +15,615 New Q1 2026 May 14, 2026
WELLS FARGO & COMPANY/MN History Added to 14,757 302 0.0% 0.0% 85 +13,757 1375.7% Q1 2026 May 11, 2026
BANK OF AMERICA CORP /DE/ History Reduced 13,617 279 0.0% 0.0% 86 -1,153 -7.81% Q1 2026 May 15, 2026
Dynamic Technology Lab Private Ltd History New 12,878 264 0.04% 87 +12,878 New Q1 2026 May 15, 2026
J.W. COLE ADVISORS, INC. History Reduced 12,245 251 0.01% 0.01% 88 -375 -2.97% Q1 2026 Apr 23, 2026
SIG BROKERAGE, LP History New 12,023 246 0.01% 89 +12,023 New Q1 2026 May 15, 2026
INTEGRITY ALLIANCE, LLC. History Added to 11,780 241 0.01% 0.01% 90 +1,630 16.06% Q1 2026 May 11, 2026
WINTON GROUP Ltd History New 11,448 235 0.01% 91 +11,448 New Q1 2026 May 12, 2026
GWN SECURITIES INC. History New 11,291 231 0.04% 92 +11,291 New Q1 2026 May 14, 2026
PRELUDE CAPITAL MANAGEMENT, LLC History New 11,097 227 0.02% 93 +11,097 New Q1 2026 May 15, 2026
AXQ CAPITAL, LP History New 10,661 218 0.03% 95 +10,661 New Q1 2026 May 13, 2026
State of Wyoming History New 10,630 218 0.03% 94 +10,630 New Q1 2026 May 13, 2026
BAILARD, INC. History New 10,600 217 0.0% 96 +10,600 New Q1 2026 May 11, 2026
Integrated Quantitative Investments LLC History Reduced 9,998 205 0.04% 0.07% 97 -8,195 -45.04% Q1 2026 May 13, 2026
ROYAL BANK OF CANADA History Added to 7,619 156 0.0% 0.0% 98 +6,342 496.63% Q1 2026 May 15, 2026
MARK SHEPTOFF FINANCIAL PLANNING, LLC History New 6,200 128 0.07% 99 +6,200 New Q1 2026 May 11, 2026
Vanguard Global Advisers, LLC History New 4,372 89 0.0% 100 +4,372 New Q1 2026 May 08, 2026
CITIGROUP INC History Reduced 3,304 67 0.0% 0.0% 101 -5,027 -60.34% Q1 2026 May 11, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 2,679 55 0.0% 0.0% 102 -4,271 -61.45% Q1 2026 May 12, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 2,400 49 0.0% 0.0% 103 0 0.0% Q1 2026 May 08, 2026
Global Retirement Partners, LLC History No change 1,886 35 0.0% 0.0% 104 0 0.0% Q4 2025 Feb 06, 2026
Advisory Services Network, LLC History New 1,550 31 0.0% 105 +1,550 New Q1 2026 May 15, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 1,171 25 0.0% 106 +1,167 29175.0% Q1 2026 May 15, 2026
Truvestments Capital LLC History New 1,000 20 0.0% 108 +1,000 New Q1 2026 May 13, 2026
NewEdge Advisors, LLC History Added to 20,900 20 0.0% 0.0% 107 +500 2.45% Q1 2026 May 15, 2026
HOLLENCREST CAPITAL MANAGEMENT History New 954 19 0.0% 109 +954 New Q1 2026 May 07, 2026
Triumph Capital Management History New 600 12 0.0% 110 +600 New Q1 2026 May 13, 2026
Wall Street Financial Group, Inc. History New 500 10 0.01% 111 +500 New Q1 2026 May 05, 2026
JPMORGAN CHASE & CO History New 445 8 0.0% 113 +445 New Q1 2026 May 13, 2026
AdvisorNet Financial, Inc History No change 400 8 0.0% 0.0% 112 0 0.0% Q1 2026 Apr 17, 2026
US BANCORP \DE\ History No change 383 7 0.0% 0.0% 114 0 0.0% Q1 2026 May 14, 2026
Covestor Ltd History Reduced 310 6 0.0% 0.01% 116 -339 -52.23% Q1 2026 May 05, 2026
Sunbelt Securities, Inc. History No change 298 6 0.0% 0.0% 115 0 0.0% Q1 2026 May 15, 2026
Motiv8 Investments LLC History No change 250 5 0.0% 0.0% 117 0 0.0% Q4 2025 Feb 13, 2026
Hillsdale Investment Management Inc. History New 213 4 0.0% 119 +213 New Q1 2026 May 04, 2026
SBI Securities Co., Ltd. History Added to 236 4 0.0% 118 +210 807.69% Q1 2026 Apr 27, 2026
Farther Finance Advisors, LLC History New 120 2 0.0% 121 +120 New Q1 2026 Apr 07, 2026
Spire Wealth Management History No change 100 2 0.0% 0.0% 120 0 0.0% Q1 2026 Apr 22, 2026
FIFTH THIRD BANCORP History New 90 1 0.0% 122 +90 New Q1 2026 May 01, 2026
New England Capital Financial Advisors LLC History New 75 1 0.0% 123 +75 New Q1 2026 Apr 27, 2026
STIFEL FINANCIAL CORP History Closed out 0 0 0.0% -291,945 -100.0% Q1 2026 May 12, 2026
NEW YORK STATE COMMON RETIREMENT FUND History Closed out 0 0 0.0% -71,180 -100.0% Q1 2026 May 06, 2026
OMERS ADMINISTRATION Corp History Closed out 0 0 0.01% -43,100 -100.0% Q1 2026 May 15, 2026
Centiva Capital, LP History Closed out 0 0 0.0% -27,360 -100.0% Q1 2026 May 14, 2026
MANGROVE PARTNERS IM, LLC History Closed out 0 0 0.03% -18,275 -100.0% Q1 2026 May 15, 2026
PharVision Advisers, LLC History Closed out 0 0 0.17% -17,274 -100.0% Q1 2026 May 11, 2026
Meixler Investment Management, Ltd. History Closed out 0 0 0.19% -16,575 -100.0% Q1 2026 May 06, 2026
Quadrature Capital Ltd History Closed out 0 0 0.0% -16,399 -100.0% Q1 2026 May 15, 2026
Graham Capital Management, L.P. History Closed out 0 0 0.01% -13,825 -100.0% Q1 2026 May 15, 2026
Clear Point Advisors Inc. History New 10,000 0 +10,000 New Q1 2026 Apr 28, 2026
Quarry LP History Closed out 0 0 0.0% -1,275 -100.0% Q1 2026 May 15, 2026
BAYBAN History New 35 0 +35 New Q1 2026 Apr 24, 2026
FMR LLC History New 33 0 +33 New Q1 2026 May 15, 2026
Parallel Advisors, LLC History New 15 0 +15 New Q1 2026 May 07, 2026
Allworth Financial LP History New 7 0 +7 New Q1 2026 May 14, 2026