ATROB · Astronics Corp · Shareholders & Ownership
Every disclosed holder of ATROB in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns ATROB
13F quarter Sep 30, 2026; this listing alone: insiders and shares outstanding are issuer-wide, so they are left outNo chart: shares outstanding cannot be set against these holders.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 181 | — |
| Insiders (Forms 3, 4, 5) | 0 | — |
| 13D/G-only blocks | 699,789 | — |
| Registered funds (N-PORT, not summed) | 1,089,471 | — |
% Out is unavailable: shares outstanding is an issuer-wide count, not one listing's.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of ATROB
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
DIMENSIONAL FUND ADVISORS LP
13G
CIK 354204 · Registered investment adviser · Sep 30, 2026
Rule 13d-1(b), qualified institution
|
335,448 | ||
| 2 |
State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF
Fund
S000012318 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
329,971 | ||
| 3 |
Capital International Investors
13G
CIK 1562230 · Investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution
|
264,925 | ||
| 4 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
201,825 | ||
| 5 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
149,828 | ||
| 6 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jul 31, 2026
Rule 13d-1(b), qualified institution
|
82,314 | ||
| 7 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
71,409 | ||
| 8 |
iShares U.S. Aerospace & Defense ETF
Fund
S000009423 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
68,793 | ||
| 9 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
46,976 | ||
| 10 |
Emerald Growth Fund
Fund
S000093696 · Registered fund · Jul 31, 2026
RBB Fund, Inc., not summed
|
39,788 | ||
| 11 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
29,360 | ||
| 12 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
28,867 | ||
| 13 |
Principal U.S. Small-Cap ETF
Fund
S000055159 · Registered fund · Jun 30, 2026
Principal Exchange-Traded Funds, not summed
|
16,448 | ||
| 14 |
Carillon Eagle Small Cap Growth Fund
Fund
S000008482 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
16,180 | ||
| 15 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
16,155 | ||
| 16 |
|
14,821 | ||
| 17 |
VictoryShares US Small Mid Cap Value Momentum ETF
Fund
S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
10,417 | ||
| 18 |
iShares Core S&P Total U.S. Stock Market ETF
Fund
S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
8,703 | ||
| 19 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
4,823 | ||
| 20 |
Timothy Plan Small Cap Value Fund
Fund
S000004479 · Registered fund · Jun 30, 2026
TIMOTHY PLAN, not summed
|
3,685 | ||
| 21 |
Carillon Chartwell Small Cap Fund
Fund
S000058964 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
3,315 | ||
| 22 |
Fidelity Small Cap Growth Index Fund
Fund
S000065750 · Registered fund · Jun 30, 2026
Fidelity Salem Street Trust, not summed
|
3,215 | ||
| 23 |
Dimensional U.S. Equity Market ETF
Fund
S000070902 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
3,056 | ||
| 24 |
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND
Fund
S000002855 · Registered fund · Jun 30, 2026
VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
|
2,937 | ||
| 25 |
Franklin Small Cap Enhanced ETF
Fund
S000097279 · Registered fund · Jun 30, 2026
Franklin Templeton ETF Trust, not summed
|
2,922 | ||
| 26 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
2,899 | ||
| 27 |
Carillon Chartwell Small Cap Growth Fund
Fund
S000075963 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
2,351 | ||
| 28 |
|
2,281 | ||
| 29 |
Gabelli Commercial Aerospace and Defense Fund
Fund
S000069045 · Registered fund · Jun 30, 2026
Gabelli ETFs Trust, not summed
|
2,211 | ||
| 30 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
2,193 | ||
| 31 |
Gabelli Dividend & Income Trust
Fund
· Registered fund · Jun 30, 2026
Gabelli Dividend & Income Trust, not summed
|
2,000 | ||
| 31.1 |
ROYCE MICRO-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE MICRO-CAP TRUST, INC., not summed
|
4,800 | ||
| 31.2 |
Gabelli Equity Trust Inc
Fund
· Registered fund · Jun 30, 2026
Gabelli Equity Trust Inc, not summed
|
1,800 | ||
| 32 |
iShares Russell 3000 ETF
Fund
S000004341 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,543 | ||
| 33 |
First Trust Active Factor Small Cap ETF
Fund
S000066790 · Registered fund · Aug 31, 2026
First Trust Exchange-Traded Fund VIII, not summed
|
1,335 | ||
| 34 |
Dimensional US Core Equity Market ETF
Fund
S000069432 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
1,324 | ||
| 35 |
Timothy Plan US Small Cap Core ETF
Fund
S000063764 · Registered fund · Jun 30, 2026
Timothy Plan, not summed
|
1,302 | ||
| 36 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
1,199 | ||
| 37 |
Kennedy Capital Small Cap Value Fund
Fund
S000076118 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
|
1,101 | ||
| 38 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
1,097 | ||
| 39 |
Optimize Strategy Index ETF
Fund
S000084701 · Registered fund · Jun 30, 2026
Advisor Managed Portfolios, not summed
|
922 | ||
| 40 |
Dimensional US Core Equity 1 ETF
Fund
S000081780 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
675 | ||
| 41 |
Dimensional US Sustainability Core 1 ETF
Fund
S000076639 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
594 | ||
| 42 |
Fidelity Small Cap Value Index Fund
Fund
S000065751 · Registered fund · Jun 30, 2026
Fidelity Salem Street Trust, not summed
|
464 | ||
| 43 |
Themes Transatlantic Defense ETF
Fund
S000085497 · Registered fund · Jun 30, 2026
Themes ETF Trust, not summed
|
271 | ||
| 44 |
Strive Small-Cap ETF
Fund
S000078019 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
|
218 | ||
| 45 |
Dimensional US Vector Equity ETF
Fund
S000086501 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
175 | ||
| 46 |
Innovator U.S. Small Cap Managed Floor ETF
Fund
S000087661 · Registered fund · Jul 31, 2026
Innovator ETFs Trust, not summed
|
139 | ||
| 47 |
GAMMA Investing LLC
13F
CIK 2010235 · Registered investment adviser · Sep 30, 2026
|
114 | ||
| 48 |
Column Small Cap Fund
Fund
S000082921 · Registered fund · Aug 31, 2026
Trust for Professional Managers, not summed
|
100 | ||
| 49 |
FNY Investment Advisers, LLC
13F
CIK 1742998 · Unknown · Sep 30, 2026
|
67 | ||
| 50 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
36 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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