SHIM · Shimmick Corp · Shareholders & Ownership

$2.37 +0.01 (+0.42%) At close · Oct 20

Russell 2000 member Rebalance outlook locked

Market Cap

$97.55M

41.34M

Volume · Oct 20 67.73K Avg daily vol (3M) 131.59K

Every disclosed holder of SHIM 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.

How the holder list picks a filing →

Who Owns SHIM

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	53	5,798,475	14.03%	Yes
Insiders (Forms 3, 4, 5)	9	22,132,519	53.54%	Yes
13D/G-only blocks	1	7,745,000	18.74%	Yes
Remaining	—	5,659,829	13.69%	Rest
Registered funds (N-PORT, not summed)	32	833,901	2.02%	No

Shares outstanding: 41,335,823, the issuer's latest cover-page count restated onto today's split basis.

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 SHIM

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Mitchell B. Goldsteen 13G CIK 1997607 · Unknown · Mar 31, 2026 Rule 13d-1(d), exempt investor, not summed	20,974,873	50.74%	-503,851	Mar 31, 2026	Rule 13d-1(d), exempt investor, not summed
1.1	Goldsteen Mitchell B. Insider CIK 1997607 · Mar 17, 2026 Director, 10% Owner, issuer-wide	20,974,873	50.74%	-125,000	Mar 17, 2026	Director, 10% Owner, issuer-wide
2	AECOM 13D CIK 868857 · Unknown · Aug 10, 2026 Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands	7,745,000	18.74%	+1,030,552	Aug 10, 2026
3	CANNELL CAPITAL LLC 13F CIK 1058854 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	957,605	2.32%	+957,605	Jun 30, 2026	carried, not yet filed for the newest quarter
4	GRATIA CAPITAL, LLC 13F CIK 1599793 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	726,936	1.76%	+726,936	Jun 30, 2026	carried, not yet filed for the newest quarter
5	1492 Capital Management LLC 13F CIK 1584087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	603,878	1.46%	+454,066	Jun 30, 2026	carried, not yet filed for the newest quarter
6	MYDA Advisors LLC 13F CIK 1589689 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	575,000	1.39%	+575,000	Jun 30, 2026	carried, not yet filed for the newest quarter
7	Pacific Ridge Capital Partners, LLC 13F CIK 1591546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	542,440	1.31%	+102,662	Jun 30, 2026	carried, not yet filed for the newest quarter
8	SANDERS MORRIS HARRIS LLC 13F CIK 1053994 · Broker-dealer · Sep 30, 2026	366,100	0.89%	-2,200	Sep 30, 2026
9	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	283,891	0.69%	+222,682	Jun 30, 2026	carried, not yet filed for the newest quarter
10	SEI INVESTMENTS CO 13F CIK 350894 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	230,547	0.56%	-16,269	Jun 30, 2026	carried, not yet filed for the newest quarter
11	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	229,424	0.56%	+218,073	Jun 30, 2026	carried, not yet filed for the newest quarter
11.1	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	194,256	0.47%	—	Jun 30, 2026	iShares Trust, not summed
11.2	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	17,367	0.04%	+10,310	Jun 30, 2026	iShares Trust, not summed
12	DEL GUERCIO JOSEPH Insider CIK 1542363 · Jun 2, 2026 Director, issuer-wide	224,576	0.54%	+100,671	Jun 2, 2026	Director, issuer-wide
13	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	221,584	0.54%	+215,684	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
14	Heekin Geoffrey E. Insider CIK 1997580 · Jun 2, 2026 Director, issuer-wide	209,449	0.51%	+100,671	Jun 2, 2026	Director, issuer-wide
15	Kravitz Peter Insider CIK 1845795 · Jun 2, 2026 Director, issuer-wide	184,940	0.45%	+100,671	Jun 2, 2026	Director, issuer-wide
16	Yal Ural Insider CIK 2044117 · Dec 2, 2025 Director, Chief Executive Officer, issuer-wide	173,205	0.42%	—	Dec 2, 2025	Director, Chief Executive Officer, issuer-wide
17	Adara Smaller Companies Fund Fund S000047045 · Registered fund · May 31, 2026 RBB Fund, Inc., not summed	171,820	0.42%	0	May 31, 2026	RBB Fund, Inc., not summed
18	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	156,112	0.38%	+71,003	Jun 30, 2026	carried, not yet filed for the newest quarter
19	Herron J Brendan Insider CIK 1574220 · Jun 4, 2025 EVP, issuer-wide	155,778	0.38%	+84,269	Jun 4, 2025	EVP, issuer-wide
20	Informed Momentum Co LLC 13F CIK 1510989 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	132,978	0.32%	-5,472	Jun 30, 2026	carried, not yet filed for the newest quarter
21	Walleye Capital LLC 13F CIK 1758720 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	126,392	0.31%	+126,392	Jun 30, 2026	carried, not yet filed for the newest quarter
22	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	125,555	0.30%	+89,855	Jun 30, 2026	carried, not yet filed for the newest quarter
23	THOMPSON DAVIS & CO., INC. 13F CIK 1017284 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	104,000	0.25%	-21,500	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Trabuco Carolyn Insider CIK 1897745 · Jun 4, 2025 Director, issuer-wide	96,046	0.23%	0	Jun 4, 2025	Director, issuer-wide
25	Yoder Todd Wilbur Insider CIK 2064928 · Apr 14, 2026 Chief Financial Officer, issuer-wide	95,519	0.23%	+93,519	Apr 14, 2026	Chief Financial Officer, issuer-wide
26	MARSHALL WACE, LLP 13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	77,293	0.19%	+77,293	Jun 30, 2026	carried, not yet filed for the newest quarter
27	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	62,307	0.15%	+6,998	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
28	Avanza Fonder AB 13F CIK 2035325 · Unknown · Sep 30, 2026	50,906	0.12%	+8,492	Sep 30, 2026
29	Integrated Quantitative Investments LLC 13F CIK 2046834 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	50,677	0.12%	+50,677	Jun 30, 2026	carried, not yet filed for the newest quarter
30	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	37,732	0.09%	+5,101	Jun 30, 2026	carried, not yet filed for the newest quarter
31	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	36,640	0.09%	+36,640	Jun 30, 2026	carried, not yet filed for the newest quarter
32	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	35,703	0.09%	+16,437	Jun 30, 2026	carried, not yet filed for the newest quarter
33	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	34,870	0.08%	+34,870	Jun 30, 2026	carried, not yet filed for the newest quarter
34	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	34,589	0.08%	+22,945	Jun 30, 2026	carried, not yet filed for the newest quarter
35	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	33,700	0.08%	+19,000	Jun 30, 2026	carried, not yet filed for the newest quarter
36	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	29,492	0.07%	+29,492	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Centiva Capital, LP 13F CIK 1692507 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	25,838	0.06%	+12,844	Jun 30, 2026	carried, not yet filed for the newest quarter
38	NEW YORK STATE COMMON RETIREMENT FUND 13F CIK 810265 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	24,600	0.06%	+24,600	Jun 30, 2026	carried, not yet filed for the newest quarter
39	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	24,457	0.06%	-15	Jun 30, 2026	carried, not yet filed for the newest quarter
40	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	19,920	0.05%	+19,920	Jun 30, 2026	carried, not yet filed for the newest quarter
41	Tacker Sarah Beth Insider CIK 2131900 · May 29, 2026 Chief Operating Officer, issuer-wide	18,133	0.04%	—	May 29, 2026	Chief Operating Officer, issuer-wide
42	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	15,440	0.04%	+15,142	Jun 30, 2026	carried, not yet filed for the newest quarter
43	AXQ CAPITAL, LP 13F CIK 1916908 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	15,061	0.04%	+15,061	Jun 30, 2026	carried, not yet filed for the newest quarter
44	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	13,555	0.03%	+13,555	Jun 30, 2026	carried, not yet filed for the newest quarter
45	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	12,698	0.03%	+12,698	Jun 30, 2026	carried, not yet filed for the newest quarter
45.1	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	12,698	0.03%	—	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
46	GSA CAPITAL PARTNERS LLP 13F CIK 1362033 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,589	0.03%	-5,085	Jun 30, 2026	carried, not yet filed for the newest quarter
47	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	10,372	0.03%	+10,372	Jun 30, 2026	carried, not yet filed for the newest quarter
48	CHOREO, LLC 13F CIK 1679031 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,272	0.02%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
49	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	9,563	0.02%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
50	Ancora Advisors LLC 13F CIK 1446114 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,750	0.01%	+4,750	Jun 30, 2026	carried, not yet filed for the newest quarter

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.

Showing 1–50 of 84 holders

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Key facts CIK 1887944 CUSIP 82455M109 13F (30d) 4 filings 4 filers Visit website Investor relations