INNOVATIVE SOLUTIONS & SUPPORT INC - Common Stock (ISSC)

CUSIP: 45769N105

Q1 2026 13F Holders as of 31 Mar 2026

Holder snapshot 7 signals
Share change
+931,413
Put/Call ratio
18%
SEC-reported price per share
$20.53
Number of holders
122
Value change
+$19,918,805
Number of buys
78
Open additional details 1 more signal available
Number of sells
42
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
17,992,586

Security key

45769N105

Report period

Q1 2026

Institutions

122

Top holders

10

Ownership snapshot

Top reported holders of ISSC - INNOVATIVE SOLUTIONS & SUPPORT INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Kevin P. Gilboy
Disclosed value leader
Christopher Harborne
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G 3/4/5 13F Lead comparable stake: 3.8% 13D/G row: Kevin P. Gilboy Showing 1-6 of 15 holder rows.

Quick read

Kevin P. Gilboy leads the comparable SEC ownership view at 3.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Kevin P. Gilboy's linked filing trail.
Comparable ownership Top 5
Kevin P. Gilboy 3.8%
Christopher Harborne 8.8%
MARSHALL WACE, LLP 4.2%
VANGUARD GROUP INC 3.9%
MORGAN STANLEY 3.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Kevin P. Gilboy
13D/G
3.8%
$3,798,967
664,155 shares
$0 02 Dec 2024
Christopher Harborne
3/4/5
10%+ Owner
8.8%
$21,674,046
1,583,411 shares
27 Jun 2025
MARSHALL WACE, LLP
13F
Company
13F
4.2%
$14,290,004
754,488 shares
31 Dec 2025
VANGUARD GROUP INC
13F
Company
13F
3.9%
$13,196,407
696,748 shares
31 Dec 2025
MORGAN STANLEY
13F
Company
13F
3.7%
$12,718,745
671,528 shares
31 Dec 2025
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
13F
Company
13F
3.3%
$11,272,596
595,174 shares
31 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
122
Shares
9,636,067
Rows available
122
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders
122
Q1 2026 holders
122
Holder diff
0
Investor Q1 2026 Shares Q1 2026 Shares Share Diff Share Chg % Q1 2026 value Q1 2026 value Value change Value Chg %
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