IA · Innovative Solutions & Support Inc · Holdings

$19.77 +0.65 (+3.40%) At close · Oct 6

Russell 2000 member Rebalance outlook locked

Market Cap

$338.12M

17.90M

Volume · Oct 6 309.25K Avg daily vol (3M) 276.29K

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.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

Quarter:

Holders: 122

Total Value: $190,809,990

Total Shares: 10,600,555

Showing 1–100 of 128 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Superinvestors Holding IA

All superinvestors →

Mario Gabelli $2,286,000

Holder Concentration

Across 122 13F filers · Δ vs Mar 31, 2026

Top Holder

10.1%

+3.1 pts

Top 5

32.7%

+5.4 pts

Top 10

50.5%

+8.5 pts

HHI

357

Broadly held+84

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -3

Institutional value: -13.6%

Shares held: -1.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+779,333	1,066,911
Mega GEODE CAPITAL MANAGEMENT, LLC	+208,027	354,083
Large RENAISSANCE TECHNOLOGIES LLC	+187,262	490,155
Mega CITADEL ADVISORS LLC	+170,902	372,481
Mega STATE STREET CORP	+130,668	189,261

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega MILLENNIUM MANAGEMENT LLC	−198,963	49,729
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	−163,207	113,116
Mega AMERICAN CENTURY COMPANIES INC	−118,559	109,493
Mega JANE STREET GROUP, LLC	−110,235	129,751
Mid ALGERT GLOBAL LLC	−109,243	121,591

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid CenterBook Partners LP	264,954	$4,769,172
Small Roubaix Capital, LLC	264,509	$4,761,162
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	102,919	$1,852,542
Large TUDOR INVESTMENT CORP ET AL	79,726	$1,435,068
Mid KENNEDY CAPITAL MANAGEMENT LLC	78,484	$1,412,712

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega D. E. Shaw & Co., Inc.	435,900	$8,949,027
Large Driehaus Capital Management LLC	348,103	$7,146,554
Large PEAK6 LLC	270,900	$5,561,577
Mega RAYMOND JAMES FINANCIAL INC	149,358	$3,066,318
Large MACKENZIE FINANCIAL CORP	120,654	$2,477,026

Filter: New 36 Increased 43 Reduced 36 Sold out 39 Unchanged 7

Showing 100 of 128

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$19,204,398

10.06%

1,066,911

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	17,259	$310,662	1.6%	Sole
BlackRock Investment Management, LLC	43,391	$781,038	4.1%	Sole
BLACKROCK ADVISORS LLC	32,292	$581,256	3.0%	Sole
BlackRock Fund Advisors	561,635	$10,109,430	52.6%	Sole
BlackRock Institutional Trust Company, N.A.	400,199	$7,203,582	37.5%	Sole
Aperio Group, LLC	12,135	$218,430	1.1%	Sole

MARSHALL WACE, LLP

$12,452,382

6.53%

691,799

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	691,799	$12,452,382	100.0%	Other

VANGUARD CAPITAL MANAGEMENT LLC

$11,329,650

5.94%

629,425

PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.

$10,259,334

5.38%

569,963

MORGAN STANLEY

$9,060,570

4.75%

503,365

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	1,019	$18,342	0.2%	Defined
MORGAN STANLEY & CO. LLC	4,027	$72,486	0.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	54,196	$975,528	10.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	442,487	$7,964,766	87.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	1,636	$29,448	0.3%	Defined

RENAISSANCE TECHNOLOGIES LLC

$8,822,790

4.62%

490,155

DIMENSIONAL FUND ADVISORS LP

$7,405,686

3.88%

411,427

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	2,933	$52,794	0.7%	Defined
DFA Australia Ltd.	7,278	$131,004	1.8%	Defined
Dimensional Ireland Ltd	19,587	$352,566	4.8%	Defined
Held directly	381,629	$6,869,322	92.8%	Sole

GEODE CAPITAL MANAGEMENT, LLC

$6,373,494

3.34%

354,083

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	48,902	$880,236	13.8%	Defined
Held directly	305,181	$5,493,258	86.2%	Defined

CITADEL ADVISORS LLC

$5,387,058

2.82%

299,281

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	232,087	$4,177,566	77.5%	Defined
Held directly	67,194	$1,209,492	22.5%	Defined

CenterBook Partners LP

$4,769,172

2.50%

264,954

Roubaix Capital, LLC

$4,761,162

2.50%

264,509

Qube Research & Technologies Ltd

$4,705,506

2.47%

261,417

GABELLI FUNDS LLC

$3,981,942

2.09%

221,219

WealthTrust Axiom LLC

$3,964,824

2.08%

220,268

STATE STREET CORP

$3,406,698

1.79%

189,261

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	189,261	$3,406,698	100.0%	Defined

Hennion & Walsh Asset Management, Inc.

$3,363,354

1.76%

186,853

Connor, Clark & Lunn Investment Management Ltd.

$3,025,098

1.59%

168,061

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	168,061	$3,025,098	100.0%	Sole

ISTHMUS PARTNERS, LLC

$3,005,838

1.58%

166,991

Man Group plc

$2,557,800

1.34%

142,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	142,100	$2,557,800	100.0%	Defined

Bank of New York Mellon Corp

$2,531,520

1.33%

140,640

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	36,357	$654,426	25.9%	Defined
The Bank of New York Mellon	22,513	$405,234	16.0%	Defined
Newton Investment Management North America, LLC	81,769	$1,471,842	58.1%	Defined
Held directly	1	$18	0.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,359,800

1.24%

131,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	131,100	$2,359,800	100.0%	Other

GAMCO INVESTORS, INC. ET AL

$2,286,000

1.20%

127,000

ALGERT GLOBAL LLC

$2,188,638

1.15%

121,591

UBS Group AG

$2,113,956

1.11%

117,442

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	6,400	$115,200	5.4%	Defined
UBS AG	108,887	$1,959,966	92.7%	Defined
UBS Securities LLC	2,155	$38,790	1.8%	Defined

Teton Advisors, LLC

$2,088,000

1.09%

116,000

NORTHERN TRUST CORP

$2,069,622

1.08%

114,979

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	112,651	$2,027,718	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	2,328	$41,904	2.0%	Other

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$2,036,088

1.07%

113,116

AMERICAN CENTURY COMPANIES INC

$1,970,874

1.03%

109,493

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	109,493	$1,970,874	100.0%	Defined

Squarepoint Ops LLC

$1,868,040

0.98%

103,780

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	103,780	$1,868,040	100.0%	Defined

VANGUARD PORTFOLIO MANAGEMENT LLC

$1,852,542

0.97%

102,919

JANE STREET GROUP, LLC

$1,730,718

0.91%

96,151

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	67,062	$1,207,116	69.7%	Defined
Jane Street Global Trading, LLC	29,089	$523,602	30.3%	Defined

VANGUARD FIDUCIARY TRUST CO

$1,687,698

0.88%

93,761

Y-Intercept (Hong Kong) Ltd

$1,525,536

0.80%

84,752

Ancora Advisors LLC

$1,525,320

0.80%

84,740

TUDOR INVESTMENT CORP ET AL

$1,435,068

0.75%

79,726

Pekin Hardy Strauss, Inc.

$1,425,600

0.75%

79,200

KENNEDY CAPITAL MANAGEMENT LLC

$1,412,712

0.74%

78,484

XTX Topco Ltd

$1,375,920

0.72%

76,440

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	76,440	$1,375,920	100.0%	Defined

Russell Investments Group, Ltd.

$1,346,292

0.71%

74,794

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	41,316	$743,688	55.2%	Defined
Russell Investments Capital, LLC	27,158	$488,844	36.3%	Defined
Russell Investments Trust Company	6,320	$113,760	8.4%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,308,600

0.69%

72,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	72,700	$1,308,600	100.0%	Other

CREDIT AGRICOLE S A

$1,260,000

0.66%

70,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Credit Agricole Corporate & Investment Bank joint	70,000	$1,260,000	100.0%	Defined

Nuveen, LLC

$1,093,734

0.57%

60,763

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	25,259	$454,662	41.6%	Defined
TIAA CREF INVESTMENT MANAGEMENT LLC joint	15,870	$285,660	26.1%	Defined
TEACHERS ADVISORS, LLC joint	19,634	$353,412	32.3%	Defined

Allspring Global Investments Holdings, LLC

$973,620

0.51%

54,090

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Allspring Global Investments, LLC reporting on behalf of UBS ASSET MANAGEMENT AMERICAS INC	54,090	$973,620	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$895,122

0.47%

49,729

CITADEL ADVISORS LLC

$883,800

0.46%

49,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	49,100	$883,800	100.0%	Defined

Trexquant Investment LP

$849,420

0.45%

47,190

Penn Capital Management Company, LLC

$781,164

0.41%

43,398

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$772,002

0.40%

42,889

GOLDMAN SACHS GROUP INC

$710,730

0.37%

39,485

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	15,711	$282,798	39.8%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	23,774	$427,932	60.2%	Defined

Inspire Investing, LLC

$683,784

0.36%

37,988

Point72 Asset Management, L.P.

$666,000

0.35%

37,000

Quantbot Technologies LP

$648,324

0.34%

36,018

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	36,018	$648,324	100.0%	Sole

THOROUGHBRED FINANCIAL SERVICES, LLC

$532,548

0.28%

29,586

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$513,000

0.27%

28,500

HighTower Advisors, LLC

$467,406

0.24%

25,967

CANADA PENSION PLAN INVESTMENT BOARD

$464,400

0.24%

25,800

Mesirow Financial Investment Management, Inc.

$454,032

0.24%

25,224

CITADEL ADVISORS LLC

$433,800

0.23%

24,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	24,100	$433,800	100.0%	Defined

LPL Financial LLC

$420,048

0.22%

23,336

GREAT VALLEY ADVISOR GROUP, INC.

$385,578

0.20%

21,421

PANAGORA ASSET MANAGEMENT INC

$380,574

0.20%

21,143

ARS Investment Partners, LLC

$377,514

0.20%

20,973

J.W. COLE ADVISORS, INC.

$371,160

0.19%

20,620

NewEdge Advisors, LLC

$367,200

0.19%

20,400

JAMES INVESTMENT RESEARCH, INC.

$367,200

0.19%

20,400

COMMONWEALTH EQUITY SERVICES, LLC

$364,986

0.19%

20,277

Grantham, Mayo, Van Otterloo & Co. LLC

$354,474

0.19%

19,693

Wharton Business Group, LLC

$349,110

0.18%

19,395

Invesco Ltd.

$348,642

0.18%

19,369

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	2,143	$38,574	11.1%	Defined
Invesco Trust Co joint	5,908	$106,344	30.5%	Defined
Invesco Capital Management LLC	11,318	$203,724	58.4%	Defined

BOOTHBAY FUND MANAGEMENT, LLC

$346,950

0.18%

19,275

JANE STREET GROUP, LLC

$334,800

0.18%

18,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	18,600	$334,800	100.0%	Defined

ALPS ADVISORS INC

$325,926

0.17%

18,107

Engineers Gate Manager LP

$325,008

0.17%

18,056

O'SHAUGHNESSY ASSET MANAGEMENT, LLC

$320,418

0.17%

17,801

FOX RUN MANAGEMENT, L.L.C.

$294,030

0.15%

16,335

RHUMBLINE ADVISERS

$291,528

0.15%

16,196

JANE STREET GROUP, LLC

$270,000

0.14%

15,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	15,000	$270,000	100.0%	Defined

Brevan Howard Capital Management LP

$266,346

0.14%

14,797

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	14,797	$266,346	100.0%	Defined

DEUTSCHE BANK AG\

$265,464

0.14%

14,748

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	284	$5,112	1.9%	Defined
DWS Investments UK Ltd	14,464	$260,352	98.1%	Defined

WINTON GROUP Ltd

$265,176

0.14%

14,732

WELLS FARGO & COMPANY/MN

$261,288

0.14%

14,516

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	13,516	$243,288	93.1%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	1,000	$18,000	6.9%	Defined

RITHOLTZ WEALTH MANAGEMENT

$259,578

0.14%

14,421

Topline Capital Management, LLC

$241,632

0.13%

13,424

GK Wealth Management LLC

$228,690

0.12%

12,705

Dynamic Technology Lab Private Ltd

$219,906

0.12%

12,217

PRICE T ROWE ASSOCIATES INC /MD/

$218,916

0.11%

12,162

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	12,162	$218,916	100.0%	Defined

BANK OF AMERICA CORP /DE/

$214,614

0.11%

11,923

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	11,923	$214,614	100.0%	Defined

Empowered Funds, LLC

$199,710

0.10%

11,095

ALLIANCEBERNSTEIN L.P.

$197,640

0.10%

10,980

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	10,980	$197,640	100.0%	Defined

BARCLAYS PLC

$191,088

0.10%

10,616

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	6,217	$111,906	58.6%	Defined
BARCLAYS CAPITAL INC.	3,829	$68,922	36.1%	Defined
BARCLAYS CAPITAL SECURITIES LTD	570	$10,260	5.4%	Defined

US BANCORP \DE\

$187,218

0.10%

10,401

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	10,401	$187,218	100.0%	Defined

INTEGRITY ALLIANCE, LLC.

$182,700

0.10%

10,150

MetLife Investment Management, LLC

$160,578

0.08%

8,921

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	8,921	$160,578	100.0%	Defined

State of Wyoming

$159,390

0.08%

8,855

OSAIC HOLDINGS, INC.

$151,164

0.08%

8,398

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	7,870	$141,660	93.7%	Defined
Osaic Advisory Services, LLC	528	$9,504	6.3%	Defined

ROYAL BANK OF CANADA

$145,134

0.08%

8,063

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	443	$7,974	5.5%	Defined
RBC Capital Markets, LLC	7,620	$137,160	94.5%	Defined

CITIGROUP INC

$135,450

0.07%

7,525

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	7,525	$135,450	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$122,310

0.06%

6,795

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	6,795	$122,310	100.0%	Defined

JPMORGAN CHASE & CO

$118,062

0.06%

6,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	6,144	$110,592	93.7%	Defined
J.P. Morgan Securities plc	415	$7,470	6.3%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$106,200

0.06%

5,900

Key facts CIK 836690 CUSIP 45769N105 13F (30d) 1 filings 1 filers Visit website Investor relations