Vault-13

INNOVATIVE SOLUTIONS & SUPPO IA

COM · Common Stock · CUSIP 45769N105

120 institutional holders -3 vs Q1 2026
10,236,50010.2m shares reported held*
57.2% of all shares outstanding*
$184.3mreported value*
35 new 43 added 34 reduced 38 sold out net bought ≈ $10.8m (+590.6k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 17.9m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $18.00. Options: 8 managers hold calls ($5.7m notional), 7 hold puts ($2.7m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 31Q4 22: 35Q1 23: 35Q2 23: 33Q3 23: 36Q4 23: 41Q1 24: 45Q2 24: 40Q3 24: 44Q4 24: 55Q1 25: 59Q2 25: 72Q3 25: 91Q4 25: 87Q1 26: 123Q2 26: 120120Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202231
Q4 202235
Q1 202335
Q2 202333
Q3 202336
Q4 202341
Q1 202445
Q2 202440
Q3 202444
Q4 202455
Q1 202559
Q2 202572
Q3 202591
Q4 202587
Q1 2026123
Q2 2026120

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 12 bought or addedQ3 24: 18 cut or sold outQ4 24: 35 bought or addedQ4 24: 11 cut or sold outQ4 24Q1 25: 37 bought or addedQ1 25: 19 cut or sold outQ2 25: 45 bought or addedQ2 25: 24 cut or sold outQ2 25Q3 25: 62 bought or addedQ3 25: 31 cut or sold outQ4 25: 54 bought or addedQ4 25: 42 cut or sold outQ4 25Q1 26: 79 bought or addedQ1 26: 42 cut or sold outQ2 26: 78 bought or addedQ2 26: 72 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20241218
Q4 20243511
Q1 20253719
Q2 20254524
Q3 20256231
Q4 20255442
Q1 20267942
Q2 20267872

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$10m$20m$30mQ3 25 calls: $795.9kQ3 25 puts: $896.3kQ3 25P/C 1.13Q4 25 calls: $16.0mQ4 25 puts: $1.0mQ4 25P/C 0.06Q1 26 calls: $20.5mQ1 26 puts: $4.2mQ1 26P/C 0.21Q2 26 calls: $5.7mQ2 26 puts: $2.7mQ2 26P/C 0.47
Numbers
QuarterCallsPutsP/C
Q3 2025$795.9k$896.3k1.13
Q4 2025$16.0m$1.0m0.06
Q1 2026$20.5m$4.2m0.21
Q2 2026$5.7m$2.7m0.47

Biggest buyers

BlackRock, Inc. Added +779,333+779.3k
CenterBook Partners LP New +264,954+265.0k
Roubaix Capital, LLC New +264,509+264.5k
GEODE CAPITAL MANAGEMENT, LLC Added +208,027+208.0k
CITADEL ADVISORS LLC Added +193,102+193.1k
RENAISSANCE TECHNOLOGIES LLC Added +187,262+187.3k
STATE STREET CORP Added +130,668+130.7k
GABELLI FUNDS LLC Added +103,449+103.4k
VANGUARD PORTFOLIO MANAGEMENT LLC New +102,919+102.9k
Bank of New York Mellon Corp Added +84,869+84.9k

Biggest sellers

Driehaus Capital Management LLC Sold out -348,103-348.1k
MILLENNIUM MANAGEMENT LLC Reduced -198,963-199.0k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Reduced -163,207-163.2k
RAYMOND JAMES FINANCIAL INC Sold out -149,358-149.4k
MACKENZIE FINANCIAL CORP Sold out -120,654-120.7k
AMERICAN CENTURY COMPANIES INC Reduced -118,559-118.6k
LAZARD ASSET MANAGEMENT LLC Sold out -111,619-111.6k
ALGERT GLOBAL LLC Reduced -109,243-109.2k
Penserra Capital Management LLC Sold out -109,099-109.1k
MORGAN STANLEY Reduced -99,882-99.9k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.4m131.1k shares
CITADEL ADVISORS LLC Reduced $883.8k49.1k shares
IMC-Chicago, LLC Added $786.6k43.7k shares
Point72 Asset Management, L.P. Added $666.0k37.0k shares
SIMPLEX TRADING, LLC Added $378.0k21.0k shares
JANE STREET GROUP, LLC Reduced $270.0k15.0k shares
GK Wealth Management LLC New $218.7k12.7k shares
GROUP ONE TRADING LLC Added $162.0k9.0k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.3m72.7k shares
CITADEL ADVISORS LLC Reduced $433.8k24.1k shares
IMC-Chicago, LLC Reduced $374.4k20.8k shares
JANE STREET GROUP, LLC Reduced $334.8k18.6k shares
GROUP ONE TRADING LLC Added $129.6k7.2k shares
Point72 Asset Management, L.P. New $81.0k4.5k shares
SIMPLEX TRADING, LLC Added $10.8k600 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution new · filed 2026-07-28 5.8% new 1.0m≈ $18.8m 2026-07-28

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,066,9111.1m $19.2m $19.2m 0.00% Added +779.3k +779,333
2 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 691,799691.8k $12.5m $12.5m 0.01% Reduced -61.6k -61,578
3 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 629,425629.4k $11.3m $11.3m 0.00% Added +3.6k +3,650
4 PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 0.51% of their portfolio EDINA, MN 569,963570.0k $10.3m $10.3m 0.51% Added +51.3k +51,345
5 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 503,365503.4k $9.1m $9.1m 0.00% Reduced -99.9k -99,882
6 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 490,155490.2k $8.8m $8.8m 0.01% Added +187.3k +187,262
7 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 411,427411.4k $7.4m $7.4m 0.00% Added +43.2k +43,160
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 354,083354.1k $6.4m $6.4m 0.00% Added +208.0k +208,027
9 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 299,281299.3k $5.4m $5.4m 0.00% Added +193.1k +193,102
10 CenterBook Partners LP 0.23% of their portfolio GREENWICH, CT 264,954265.0k $4.8m $4.8m 0.23% New
11 Roubaix Capital, LLC 1.71% of their portfolio DENVER, CO 264,509264.5k $4.8m $4.8m 1.71% New
12 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 261,417261.4k $4.7m $4.7m 0.01% Added +49.3k +49,280
13 GABELLI FUNDS LLC 0.03% of their portfolio Rye, NY 221,219221.2k $4.0m $4.0m 0.03% Added +103.4k +103,449
14 WealthTrust Axiom LLC 0.89% of their portfolio WAYNE, PA 220,268220.3k $4.0m $4.0m 0.89% Added +13.9k +13,936
15 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 189,261189.3k $3.4m $3.4m 0.00% Added +130.7k +130,668
16 Hennion & Walsh Asset Management, Inc. 0.10% of their portfolio Parsippany, NJ 186,853186.9k $3.4m $3.4m 0.10% Added +43.6k +43,553
17 Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio VANCOUVER, A1 168,061168.1k $3.0m $3.0m 0.01% Reduced -2.8k -2,792
18 ISTHMUS PARTNERS, LLC 0.29% of their portfolio MADISON, WI 166,991167.0k $3.0m $3.0m 0.29% Added +1.8k +1,818
19 Man Group plc 0.00% of their portfolio LONDON, X0 142,100142.1k $2.6m $2.6m 0.00% Added +61.5k +61,511
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 140,640140.6k $2.5m $2.5m 0.00% Added +84.9k +84,869
21 GAMCO INVESTORS, INC. ET AL 0.02% of their portfolio GREENWICH, CT 127,000127.0k $2.3m $2.3m 0.02% Added +500 +500
22 ALGERT GLOBAL LLC 0.03% of their portfolio SAN FRANCISCO, CA 121,591121.6k $2.2m $2.2m 0.03% Reduced -109.2k -109,243
23 UBS Group AG 0.00% of their portfolio ZURICH, V8 117,442117.4k $2.1m $2.1m 0.00% Added +10.7k +10,732
24 Teton Advisors, LLC 1.21% of their portfolio GREENWICH, CT 116,000116.0k $2.1m $2.1m 1.21% Added +5.0k +5,000
25 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 114,979115.0k $2.1m $2.1m 0.00% Added +73.8k +73,807
26 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 113,116113.1k $2.0m $2.0m 0.00% Reduced -163.2k -163,207
27 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 109,493109.5k $2.0m $2.0m 0.00% Reduced -118.6k -118,559
28 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 103,780103.8k $1.9m $1.9m 0.00% Added +55.5k +55,513
29 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 102,919102.9k $1.9m $1.9m 0.00% New
30 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 96,15196.2k $1.7m $1.7m 0.00% Reduced -25.0k -25,035
31 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 93,76193.8k $1.7m $1.7m 0.00% Added +14.6k +14,551
32 Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio HONG KONG, K3 84,75284.8k $1.5m $1.5m 0.03% Reduced -8.7k -8,652
33 Ancora Advisors LLC 0.03% of their portfolio Cleveland, OH 84,74084.7k $1.5m $1.5m 0.03% Reduced -20.1k -20,110
34 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 79,72679.7k $1.4m $1.4m 0.01% New
35 Pekin Hardy Strauss, Inc. 0.13% of their portfolio CHICAGO, IL 79,20079.2k $1.4m $1.4m 0.13% Added +9.2k +9,250
36 KENNEDY CAPITAL MANAGEMENT LLC 0.03% of their portfolio ST LOUIS, MO 78,48478.5k $1.4m $1.4m 0.03% New
37 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 76,44076.4k $1.4m $1.4m 0.02% Added +39.2k +39,221
38 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 74,79474.8k $1.3m $1.3m 0.00% Reduced -1.8k -1,767
39 CREDIT AGRICOLE S A 0.00% of their portfolio Montrouge Cedex, I0 70,00070.0k $1.3m $1.3m 0.00% Unchanged
40 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 60,76360.8k $1.1m $1.1m 0.00% New
41 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 54,09054.1k $973.6k $973.6k 0.00% New
42 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 49,72949.7k $895.1k $895.1k 0.00% Reduced -199.0k -198,963
43 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 47,19047.2k $849.4k $849.4k 0.01% Reduced -94.1k -94,132
44 Penn Capital Management Company, LLC 0.05% of their portfolio PHILADELPHIA, PA 43,39843.4k $781.2k $781.2k 0.05% New
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 42,88942.9k $772.0k $772.0k 0.00% New
46 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 39,48539.5k $710.7k $710.7k 0.00% Reduced -62.0k -62,044
47 Inspire Investing, LLC 0.03% of their portfolio MERIDIAN, ID 37,98838.0k $683.8k $683.8k 0.03% Added +12.9k +12,907
48 Quantbot Technologies LP 0.03% of their portfolio NEW YORK, NY 36,01836.0k $648.3k $648.3k 0.03% New
49 THOROUGHBRED FINANCIAL SERVICES, LLC 0.03% of their portfolio BRENTWOOD, TN 29,58629.6k $532.0k $532.0k 0.03% New
50 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 28,50028.5k $513.0k $513.0k 0.01% Unchanged
51 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 25,96726.0k $467.4k $467.4k 0.00% Reduced -4.0k -4,000
52 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 25,80025.8k $464.4k $464.4k 0.00% Added +7.1k +7,100
53 Mesirow Financial Investment Management, Inc. 0.01% of their portfolio CHICAGO, IL 25,22425.2k $454.0k $454.0k 0.01% Reduced -2.0k -2,000
54 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 23,33623.3k $420.0k $420.0k 0.00% Reduced -87.9k -87,880
55 GREAT VALLEY ADVISOR GROUP, INC. 0.01% of their portfolio WILMINGTON, DE 21,42121.4k $385.6k $385.6k 0.01% Added +2.3k +2,324
56 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 21,14321.1k $380.6k $380.6k 0.00% Added +44 +44
57 ARS Investment Partners, LLC 0.02% of their portfolio New York, NY 20,97321.0k $377.5k $377.5k 0.02% New
58 J.W. COLE ADVISORS, INC. 0.01% of their portfolio TAMPA, FL 20,62020.6k $371.2k $371.2k 0.01% Added +8.4k +8,375
59 JAMES INVESTMENT RESEARCH, INC. 0.04% of their portfolio ALPHA, OH 20,40020.4k $367.2k $367.2k 0.04% Unchanged
60 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 20,40020.4k $367.2k $367.2k 0.00% Reduced -500 -500
61 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 20,27720.3k $365.0k $365.0k 0.00% Reduced -5.8k -5,810
62 Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio Boston, MA 19,69319.7k $354.5k $354.5k 0.00% New
63 Wharton Business Group, LLC 0.01% of their portfolio MALVERN, PA 19,39519.4k $349.1k $349.1k 0.01% Unchanged
64 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 19,36919.4k $348.6k $348.6k 0.00% New
65 BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 19,27519.3k $346.9k $346.9k 0.01% New
66 ALPS ADVISORS INC 0.00% of their portfolio Denver, CO 18,10718.1k $325.9k $325.9k 0.00% Added +237 +237
67 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 18,05618.1k $325.0k $325.0k 0.00% New
68 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 17,80117.8k $320.4k $320.4k 0.00% Reduced -1.6k -1,616
69 FOX RUN MANAGEMENT, L.L.C. 0.05% of their portfolio GREENWICH, CT 16,33516.3k $294.0k $294.0k 0.05% Reduced -9.8k -9,835
70 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 16,19616.2k $291.5k $291.5k 0.00% New
71 Brevan Howard Capital Management LP 0.00% of their portfolio ST. HELIER, Y9 14,79714.8k $266.3k $266.3k 0.00% Reduced -4.8k -4,792
72 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 14,74814.7k $265.5k $265.5k 0.00% New
73 WINTON GROUP Ltd 0.01% of their portfolio LONDON, X0 14,73214.7k $265.2k $265.2k 0.01% Added +3.3k +3,284
74 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 14,51614.5k $261.3k $261.3k 0.00% Reduced -241 -241
75 RITHOLTZ WEALTH MANAGEMENT 0.00% of their portfolio NEW YORK, NY 14,42114.4k $259.6k $259.6k 0.00% Reduced -1.5k -1,498
76 Topline Capital Management, LLC 0.06% of their portfolio SANTA MONICA, CA 13,42413.4k $241.6k $241.6k 0.06% New
77 Dynamic Technology Lab Private Ltd 0.05% of their portfolio SINGAPORE, U0 12,21712.2k $220.0k $220.0k 0.05% Reduced -661 -661
78 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 12,16212.2k $219.0k $219.0k 0.00% New
79 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 11,92311.9k $214.6k $214.6k 0.00% Reduced -1.7k -1,694
80 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 11,09511.1k $199.7k $199.7k 0.00% Reduced -4.5k -4,520
81 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 10,98011.0k $197.6k $197.6k 0.00% New
82 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 10,61610.6k $191.1k $191.1k 0.00% Reduced -28.0k -27,970
83 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 10,40110.4k $187.2k $187.2k 0.00% Added +10.0k +10,018
84 INTEGRITY ALLIANCE, LLC. 0.01% of their portfolio Urbandale, IA 10,15010.2k $182.7k $182.7k 0.01% Reduced -1.6k -1,630
85 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 8,9218.9k $160.6k $160.6k 0.00% New
86 State of Wyoming 0.02% of their portfolio CHEYENNE, WY 8,8558.9k $159.4k $159.4k 0.02% Reduced -1.8k -1,775
87 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 8,3988.4k $151.2k $151.2k 0.00% Reduced -93.4k -93,380
88 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 8,0638.1k $145.0k $145.0k 0.00% Added +444 +444
89 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 7,5257.5k $135.4k $135.4k 0.00% Added +4.2k +4,221
90 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 6,7956.8k $122.3k $122.3k 0.00% New
91 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 6,5596.6k $118.5k $118.5k 0.00% Added +6.1k +6,114
92 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 5,9005.9k $106.2k $106.2k 0.00% New
93 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 5,4745.5k $98.5k $98.5k 0.00% Reduced -19.1k -19,117
94 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 4,3724.4k $78.7k $78.7k 0.00% Unchanged
95 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 4,3714.4k $78.7k $78.7k 0.00% New
96 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 2,7402.7k $49.0k $49.0k 0.00% Added +1.6k +1,569
97 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,5722.6k $46.3k $46.3k 0.00% Reduced -107 -107
98 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2,4002.4k $43.2k $43.2k 0.00% Unchanged
99 Legal & General Group Plc 0.00% of their portfolio London, X0 1,4331.4k $25.8k $25.8k 0.00% New
100 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,3451.3k $24.2k $24.2k 0.00% New