OUST · Ouster, Inc. · Shareholders & Ownership
Every disclosed holder of OUST 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 OUST
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 35,684,606 | 49.48% |
| Insiders (Forms 3, 4, 5) | 3,073,379 | 4.26% |
| 13D/G-only blocks | 102,322 | 0.14% |
| Remaining | 33,252,026 | 46.11% |
| Registered funds (N-PORT, not summed) | 15,326,389 | 21.25% |
Shares outstanding: 72,112,333, 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 OUST
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,557,143 | ||
| 1.1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
5,421,343 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,631,167 | ||
| 1.3 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
574,961 | ||
| 1.4 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
209,942 | ||
| 1.5 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
114,352 | ||
| 2 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,707,939 | ||
| 3 |
|
2,052,274 | ||
| 3.1 |
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund
S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
606,768 | ||
| 3.2 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
20,100 | ||
| 3.3 |
State Street(R) SPDR(R) S&P Kensho Smart Mobility ETF
Fund
S000059701 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
5,215 | ||
| 3.4 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
1,582 | ||
| 3.5 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
1,124 | ||
| 4 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,915,767 | ||
| 5 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,802,819 | ||
| 6 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,642,981 | ||
| 7 |
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund
S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
1,285,001 | ||
| 8 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,243,895 | ||
| 9 |
|
1,041,816 | ||
| 10 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,021,353 | ||
| 10.1 |
T. Rowe Price New Horizons Fund, Inc.
Fund
S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
|
621,000 | ||
| 10.2 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
9,452 | ||
| 10.3 |
T. Rowe Price Extended Equity Market Index Fund
Fund
S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
9,300 | ||
| 11 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
730,580 | ||
| 12 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
728,688 | ||
| 13 |
EXCHANGE TRADED CONCEPTS, LLC
13F
CIK 1457320 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
669,170 | ||
| 13.1 |
ROBO Global Robotics and Automation Index ETF
Fund
S000042659 · Registered fund · Jul 31, 2026
EXCHANGE TRADED CONCEPTS TRUST, not summed
|
653,946 | ||
| 13.2 |
Roundhill Humanoid Robotics ETF
Fund
S000093377 · Registered fund · Jun 30, 2026
Roundhill ETF Trust, not summed
|
36,324 | ||
| 14 |
Penn Capital Management Company, LLC
13F
CIK 1158202 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
656,088 | ||
| 15 |
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
CIK 1705339 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
612,654 | ||
| 15.1 |
Global X Robotics & Artificial Intelligence ETF
Fund
S000054693 · Registered fund · May 31, 2026
GLOBAL X FUNDS, not summed
|
473,564 | ||
| 15.2 |
Global X Russell 2000 ETF
Fund
S000085029 · Registered fund · Jul 31, 2026
GLOBAL X FUNDS, not summed
|
30,006 | ||
| 16 |
Legal & General Group Plc
13F
CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
601,815 | ||
| 17 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
575,900 | ||
| 18 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
564,023 | ||
| 18.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
31,699 | ||
| 18.2 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,264 | ||
| 19 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
545,810 | ||
| 19.1 |
Oberweis Micro-Cap Fund
Fund
S000010231 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
528,410 | ||
| 20 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
533,951 | ||
| 20.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
288,523 | ||
| 20.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
152,213 | ||
| 20.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
39,256 | ||
| 20.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
34,674 | ||
| 21 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
476,586 | ||
| 22 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
452,368 | ||
| 23 |
Shannon River Fund Management LLC
13F
CIK 1301050 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
449,264 | ||
| 24 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
445,274 | ||
| 24.1 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
108,940 | ||
| 24.2 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
62,464 | ||
| 24.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
46,405 | ||
| 24.4 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
21,748 | ||
| 24.5 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
11,419 | ||
| 25 |
NEW YORK STATE COMMON RETIREMENT FUND
13F
CIK 810265 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
410,092 | ||
| 26 |
Baird Financial Group, Inc.
13F
CIK 1648711 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
403,365 | ||
| 26.1 |
Strategas Macro Thematic Opportunities ETF
Fund
S000075078 · Registered fund · Jun 30, 2026
ADVISORS' INNER CIRCLE III, not summed
|
349,721 | ||
| 27 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
364,768 | ||
| 27.1 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
10,567 | ||
| 27.2 |
Goldman Sachs Innovate Equity ETF
Fund
S000068597 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
8,416 | ||
| 27.3 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
1,759 | ||
| 28 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
354,622 | ||
| 28.1 |
Columbia Integrated Small Cap Growth Fund
Fund
S000074122 · Registered fund · May 31, 2026
Columbia Funds Series Trust II, not summed
|
12,705 | ||
| 29 |
|
318,987 | ||
| 30 |
|
317,774 | ||
| 31 |
Driehaus Capital Management LLC
13F
CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
307,142 | ||
| 31.1 |
Driehaus Micro Cap Growth Fund
Fund
S000042829 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
48,362 | ||
| 32 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
CIK 1446194 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
307,109 | ||
| 33 |
Russell Investments Group, Ltd.
13F
CIK 1692234 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
296,762 | ||
| 33.1 |
Tax-Managed U.S. Mid & Small Cap Fund
Fund
S000001571 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
98,646 | ||
| 33.2 |
U.S. Small Cap Equity Fund
Fund
S000001586 · Registered fund · Jul 31, 2026
RUSSELL INVESTMENT CO, not summed
|
23,410 | ||
| 33.3 |
U.S. Small Cap Equity Fund
Fund
S000006864 · Registered fund · Jun 30, 2026
RUSSELL INVESTMENT FUNDS, not summed
|
5,641 | ||
| 33.4 |
Russell Investments U.S. Small Cap Equity ETF
Fund
S000089990 · Registered fund · Jun 30, 2026
Russell Investments Exchange Traded Funds, not summed
|
5,262 | ||
| 34 |
JPMorgan Small Cap Growth Fund
Fund
S000003859 · Registered fund · Jun 30, 2026
JPMorgan Trust II, not summed
|
295,857 | ||
| 35 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
291,349 | ||
| 36 |
|
286,998 | ||
| 37 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
271,587 | ||
| 38 |
NEXT CENTURY GROWTH INVESTORS LLC
13F
CIK 1134007 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
252,227 | ||
| 39 |
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
13F
CIK 1638555 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
250,000 | ||
| 40 |
DEUTSCHE BANK AG\
13F
CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
248,194 | ||
| 40.1 |
DWS Small Cap Core Fund
Fund
S000005709 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
|
181,768 | ||
| 40.2 |
DWS Small Cap Index VIP
Fund
S000006223 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENTS VIT FUNDS, not summed
|
9,719 | ||
| 41 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
246,061 | ||
| 42 |
|
245,328 | ||
| 43 |
MACKENZIE FINANCIAL CORP
13F
CIK 919859 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
241,530 | ||
| 44 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
235,721 | ||
| 44.1 |
First Trust Small Cap Growth AlphaDEX Fund
Fund
S000031806 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
140,363 | ||
| 44.2 |
First Trust Small Cap Core AlphaDEX Fund
Fund
S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
69,763 | ||
| 44.3 |
First Trust Innovation Leaders ETF
Fund
S000071847 · Registered fund · May 31, 2026
First Trust Exchange-Traded Fund VIII, not summed
|
40,567 | ||
| 44.4 |
First Trust Multi Cap Growth AlphaDEX Fund
Fund
S000017343 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
12,716 | ||
| 45 |
|
230,000 | ||
| 46 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
225,290 | ||
| 46.1 |
AQR Small Cap Multi-Style Fund
Fund
S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
18,485 | ||
| 46.2 |
AQR Small Cap Momentum Style Fund
Fund
S000025644 · Registered fund · Mar 31, 2026
AQR Funds, not summed
|
9,597 | ||
| 47 |
GROUP ONE TRADING LLC
13F
CIK 932540 · Broker-dealer · Jun 30, 2026
carried, not yet filed for the newest quarter
|
212,447 | ||
| 48 |
LORD, ABBETT & CO. LLC
13F
CIK 728100 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
204,352 | ||
| 48.1 |
Lord Abbett Micro-Cap Growth Fund
Fund
S000007142 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
56,605 | ||
| 49 |
|
189,291 | ||
| 50 |
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
CIK 1232395 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
185,218 |
19 more nested rows are not shown here; Every filing lists them all.
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 427 holders
Create a free account to page through every holder, filter by source and group by ultimate parent.