Vault-13

INNOVATIVE SOLUTIONS & SUPPO IA

COM · Common Stock · CUSIP 45769N105

72 institutional holders +13 vs Q1 2025
6,222,4876.2m shares reported held*
35.3% of all shares outstanding*
$86.4mreported value*
20 new 25 added 16 reduced 8 sold out net bought ≈ $5.8m (+394.7k 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: 17.6m as of 2025-08-01, 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 ≈ $13.88. Options: 3 managers hold calls ($14.3k notional), 3 hold puts ($22.0k).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 31Q4 22: 35Q1 23: 35Q2 23: 33Q3 23: 36Q4 23: 41Q1 24: 45Q2 24: 40Q3 24: 44Q4 24: 55Q1 25: 59Q2 25: 7272Q3 22Q2 23Q1 24Q4 24Q2 25
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

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q3 23: 15 bought or addedQ3 23: 15 cut or sold outQ4 23: 20 bought or addedQ4 23: 14 cut or sold outQ4 23Q1 24: 21 bought or addedQ1 24: 17 cut or sold outQ2 24: 12 bought or addedQ2 24: 25 cut or sold outQ2 24Q3 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 25
Numbers
QuarterBought or addedCut or sold out
Q3 20231515
Q4 20232014
Q1 20242117
Q2 20241225
Q3 20241218
Q4 20243511
Q1 20253719
Q2 20254524

Calls vs puts

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

CallsPuts
$0$20k$40k$60kQ3 24 calls: $0Q3 24 puts: $0Q3 24P/C —Q4 24 calls: $19.5kQ4 24 puts: $2.6kQ4 24P/C 0.13Q1 25 calls: $58.2kQ1 25 puts: $13.9kQ1 25P/C 0.24Q2 25 calls: $14.3kQ2 25 puts: $22.0kQ2 25P/C 1.54
Numbers
QuarterCallsPutsP/C
Q3 2024$0$0—
Q4 2024$19.5k$2.6k0.13
Q1 2025$58.2k$13.9k0.24
Q2 2025$14.3k$22.0k1.54

Biggest buyers

MORGAN STANLEY Added +195,602+195.6k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +126,729+126.7k
MARSHALL WACE, LLP Added +95,178+95.2k
Connor, Clark & Lunn Investment Management Ltd. Added +88,442+88.4k
RAYMOND JAMES FINANCIAL INC Added +83,894+83.9k
LPL Financial LLC New +79,625+79.6k
Informed Momentum Co LLC New +79,451+79.5k
JPMORGAN CHASE & CO New +61,129+61.1k
THOROUGHBRED FINANCIAL SERVICES, LLC New +53,807+53.8k
GOLDMAN SACHS GROUP INC New +44,547+44.5k

Biggest sellers

WealthTrust Axiom LLC Reduced -151,414-151.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -138,677-138.7k
UBS Group AG Reduced -122,367-122.4k
RENAISSANCE TECHNOLOGIES LLC Reduced -108,500-108.5k
Walleye Capital LLC Sold out -86,824-86.8k
OMERS ADMINISTRATION Corp Sold out -83,200-83.2k
BANK OF AMERICA CORP /DE/ Reduced -50,173-50.2k
MILLENNIUM MANAGEMENT LLC Reduced -49,372-49.4k
Schonfeld Strategic Advisors LLC Sold out -46,100-46.1k
DIMENSIONAL FUND ADVISORS LP Reduced -43,594-43.6k

Biggest calls

GROUP ONE TRADING LLC Reduced $8.3k600 shares
SIMPLEX TRADING, LLC Reduced $6.0k500 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

GROUP ONE TRADING LLC New $18.0k1.3k shares
SIMPLEX TRADING, LLC Reduced $4.0k300 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 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 in Q2 2025

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.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q3 23: 1 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 1 buyingQ2 24: 0 sellingQ2 24Q3 24: 1 buyingQ3 24: 0 sellingQ4 24: 0 buyingQ4 24: 0 sellingQ4 24Q1 25: 0 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20231$78.5k0——
Q4 20230—0——
Q1 20240—0——
Q2 20241$83.4k0——
Q3 20241$66.7k0——
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
DateInsiderTradeSharesPrice ValueTheir holding
2025-06-30 Harborne Christopher 10% owner · See Footnote Sold 145,009 $13.69 $2.0m145.0k shares -8%
2025-06-27 Harborne Christopher 10% owner · See Footnote Sold 72,499 $13.68 $991.7k72.5k shares -4%
2025-06-26 Harborne Christopher 10% owner · See Footnote Sold 59,667 $13.21 $788.2k59.7k shares -3%
2025-06-25 Harborne Christopher 10% owner · See Footnote Sold 90,655 $12.92 $1.2m90.7k shares -5%
2025-06-23 Harborne Christopher 10% owner · See Footnote Sold 89,414 $12.50 $1.1m89.4k shares -4%
2025-06-20 Harborne Christopher 10% owner · See Footnote Sold 31,953 $12.25 $391.4k32.0k shares -2%
2025-06-18 Harborne Christopher 10% owner · See Footnote Sold 17,198 $12.28 $211.2k17.2k shares -1%
2025-06-17 Harborne Christopher 10% owner · See Footnote Sold 21,809 $12.77 $278.5k21.8k shares -1%
2025-06-11 Harborne Christopher 10% owner · See Footnote Sold 5,116 $11.77 $60.2k5.1k shares -<1%
2025-06-10 Harborne Christopher 10% owner · See Footnote Sold 438 $11.75 $5.1k438 shares -<1%
2025-06-09 Harborne Christopher 10% owner · See Footnote Sold 63,592 $11.78 $749.1k63.6k shares -3%
2025-06-06 Harborne Christopher 10% owner · See Footnote Sold 35,437 $11.76 $416.7k35.4k shares -2%
2025-06-05 Harborne Christopher 10% owner · See Footnote Sold 11,944 $11.79 $140.8k11.9k shares -0%
2025-06-04 Harborne Christopher 10% owner · See Footnote Sold 43,997 $11.67 $513.4k44.0k shares -2%
2025-06-03 Harborne Christopher 10% owner · See Footnote Sold 6,766 $11.50 $77.8k6.8k shares -<1%
2025-06-02 Harborne Christopher 10% owner · See Footnote Sold 17,740 $11.51 $204.2k17.7k shares -1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 681,413681.4k $9.5m $9.5m 0.00% Added +195.6k +195,602
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 537,322537.3k $7.5m $7.5m 0.00% Added +6.2k +6,189
3 WealthTrust Axiom LLC 1.94% of their portfolio WAYNE, PA 475,225475.2k $6.6m $6.6m 1.94% Reduced -151.4k -151,414
4 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 469,759469.8k $6.5m $6.5m 0.01% Reduced -108.5k -108,500
5 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 373,386373.4k $5.2m $5.2m 0.00% Reduced -43.6k -43,594
6 BlackRock, Inc. 0.00% of their portfolio New York, NY 337,104337.1k $4.7m $4.7m 0.00% Reduced -24.9k -24,853
7 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 289,827289.8k $4.0m $4.0m 0.00% Added +95.2k +95,178
8 PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 0.18% of their portfolio EDINA, MN 210,000210.0k $2.9m $2.9m 0.18% Unchanged
9 ISTHMUS PARTNERS, LLC 0.31% of their portfolio MADISON, WI 191,577191.6k $2.7m $2.7m 0.31% Reduced -471 -471
10 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 164,479164.5k $2.3m $2.3m 0.00% Added +83.9k +83,894
11 Man Group plc 0.00% of their portfolio LONDON, X0 162,936162.9k $2.3m $2.3m 0.00% Added +9.6k +9,595
12 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 157,250157.2k $2.2m $2.2m 0.00% Added +126.7k +126,729
13 Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio VANCOUVER, A1 145,389145.4k $2.0m $2.0m 0.01% Added +88.4k +88,442
14 Teton Advisors, Inc. 1.20% of their portfolio Rye, NY 142,000142.0k $2.0m $2.0m 1.20% Added +5.0k +5,000
15 GAMCO INVESTORS, INC. ET AL 0.02% of their portfolio GREENWICH, CT 127,000127.0k $1.8m $1.8m 0.02% Added +4.0k +4,000
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 123,258123.3k $1.7m $1.7m 0.00% Added +725 +725
17 Pekin Hardy Strauss, Inc. 0.18% of their portfolio CHICAGO, IL 113,500113.5k $1.6m $1.6m 0.18% Added +11.0k +11,000
18 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 88,65388.7k $1.2m $1.2m 0.00% Added +43.0k +43,035
19 GABELLI FUNDS LLC 0.01% of their portfolio Rye, NY 87,50087.5k $1.2m $1.2m 0.01% Added +500 +500
20 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 79,62579.6k $1.1m $1.1m 0.00% New
21 Informed Momentum Co LLC 0.17% of their portfolio SOLANA BEACH, CA 79,45179.5k $1.1m $1.1m 0.17% New
22 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 72,08072.1k $1.0m $1.0m 0.00% Added +10.7k +10,650
23 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 61,12961.1k $848.5k $848.5k 0.00% New
24 Mesirow Financial Investment Management, Inc. 0.02% of their portfolio CHICAGO, IL 59,94059.9k $832.0k $832.0k 0.02% Unchanged
25 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 58,51058.5k $812.1k $812.1k 0.00% Reduced -49.4k -49,372
26 THOROUGHBRED FINANCIAL SERVICES, LLC 0.05% of their portfolio BRENTWOOD, TN 53,80753.8k $746.0k $746.0k 0.05% New
27 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 48,88748.9k $678.5k $678.5k 0.00% Reduced -100 -100
28 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 48,09348.1k $667.5k $667.5k 0.00% Added +4.8k +4,800
29 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 44,54744.5k $618.3k $618.3k 0.00% New
30 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 43,82243.8k $608.2k $608.2k 0.00% Added +193 +193
31 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 43,42643.4k $602.0k $602.0k 0.00% Added +42.5k +42,471
32 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 42,99143.0k $596.7k $596.7k 0.01% New
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 40,27940.3k $559.1k $559.1k 0.00% Reduced -138.7k -138,677
34 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 40,26340.3k $558.9k $558.9k 0.00% Reduced -8.0k -7,987
35 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 37,58737.6k $521.7k $521.7k 0.00% New
36 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 31,89131.9k $442.6k $442.6k 0.00% New
37 OCCUDO QUANTITATIVE STRATEGIES LP 0.05% of their portfolio FORT LAUDERDALE, FL 30,25030.2k $419.9k $419.9k 0.05% Added +9.2k +9,153
38 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 28,50028.5k $395.6k $395.6k 0.01% Unchanged
39 Hillsdale Investment Management Inc. 0.01% of their portfolio Toronto, A6 27,30027.3k $378.9k $378.9k 0.01% New
40 Integrated Quantitative Investments LLC 0.11% of their portfolio BELLEVUE, WA 26,50026.5k $367.8k $367.8k 0.11% Reduced -104 -104
41 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 25,38825.4k $352.4k $352.4k 0.00% New
42 RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio NEW YORK, NY 21,98922.0k $305.2k $305.2k 0.01% New
43 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 20,91620.9k $290.3k $290.3k 0.00% New
44 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 20,63020.6k $286.3k $286.3k 0.00% New
45 CORSAIR CAPITAL MANAGEMENT, L.P. 0.05% of their portfolio NEW YORK, NY 19,84419.8k $275.4k $275.4k 0.05% Reduced -20.2k -20,156
46 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 19,77119.8k $274.4k $274.4k 0.01% New
47 Wharton Business Group, LLC 0.01% of their portfolio MALVERN, PA 19,39519.4k $269.0k $269.0k 0.01% Unchanged
48 UBS Group AG 0.00% of their portfolio ZURICH, V8 18,53218.5k $257.2k $257.2k 0.00% Reduced -122.4k -122,367
49 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 17,10017.1k $237.3k $237.3k 0.00% New
50 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 16,11716.1k $223.7k $223.7k 0.00% New
51 J.W. COLE ADVISORS, INC. 0.00% of their portfolio TAMPA, FL 15,36015.4k $213.2k $213.2k 0.00% Added +1.7k +1,700
52 Meixler Investment Management, Ltd. 0.15% of their portfolio SHOW LOW, AZ 15,27515.3k $212.0k $212.0k 0.15% Added +3.6k +3,650
53 INDEPENDENT FINANCIAL GROUP, LLC 0.01% of their portfolio SAN DIEGO, CA 13,43213.4k $186.4k $186.4k 0.01% New
54 ALGERT GLOBAL LLC 0.00% of their portfolio SAN FRANCISCO, CA 12,89012.9k $178.9k $178.9k 0.00% Reduced -11.2k -11,250
55 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 12,67812.7k $176.0k $176.0k 0.00% Reduced -115 -115
56 GREAT VALLEY ADVISOR GROUP, INC. 0.00% of their portfolio WILMINGTON, DE 12,40612.4k $172.2k $172.2k 0.00% Added +215 +215
57 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 12,38612.4k $171.9k $171.9k 0.00% Added +2.2k +2,228
58 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 12,22612.2k $169.0k $169.0k 0.00% Added +10.2k +10,229
59 JAMES INVESTMENT RESEARCH, INC. 0.02% of their portfolio ALPHA, OH 10,40010.4k $144.4k $144.4k 0.02% Unchanged
60 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 10,13810.1k $139.0k $139.0k 0.00% New
61 Financial Advisors, LLC 0.03% of their portfolio ANDOVER, MA 10,00010.0k $138.8k $138.8k 0.03% Unchanged
62 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 2,5412.5k $35.3k $35.3k 0.00% First filing
63 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2,4002.4k $33.3k $33.3k 0.00% Unchanged
64 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,3211.3k $18.3k $18.3k 0.00% Reduced -50.2k -50,173
65 Cove Street Capital, LLC 0.02% of their portfolio El Segundo, CA 867867 $12.0k $12.0k 0.02% Reduced -1.2k -1,247
66 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 827827 $11.5k $11.5k 0.00% Added +327 +327
67 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 517517 $7.2k $7.2k 0.00% Added +484 +484
68 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 383383 $5.3k $5.3k 0.00% Unchanged
69 Ameritas Advisory Services, LLC 0.00% of their portfolio Lincoln, NE 176176 $2.4k $2.4k 0.00% New
70 Creekmur Asset Management LLC 0.00% of their portfolio MORTON, IL 113113 $1.6k $1.6k 0.00% Unchanged
71 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 1313 $180 $180 0.00% New
72 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged