Ouster

OUST • NYSE

Ouster is a hardware, equipment & parts company in the technology sector on NYSE, led by Charles Angus Pacala, with a market cap of $1.6B. As of Q3 2025, 56% of shares are held by 226 institutional investors, with BlackRock, Inc. as the largest holder at 8.41%.

CEOCharles Angus Pacala

Market Cap$1.6B

Hardware, Equipment & Parts

Technology

Employees290.0

Websiteouster.com

Country

United States of America

Overview

Overview of institutional ownership in OUST as of Q3 2025 with a market cap of $1.6B

All Institutions

Institutions: 226
Value Held: $876.2M
Shares Held: 32.4M
Avg Position: $3.9M
Median Position: $568.2K

Hedge Funds

Hedge Funds: 33
Value Held: $179.4M
Shares Held: 6.6M
Avg Position: $5.4M
Median Position: $1.7M

Ownership Breakdown

Institutional (non-HF)

44.55%

$696.8M

Hedge Funds

11.47%

$179.4M

Retail & Other

43.98%

$687.8M

Based on market cap of $1.6B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in OUST as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
BlackRock, Inc. Institution	Laurence D. Fink CEO	$131.6M 0.00% of portfolio	8.41% 4.9M shares	Q2 2021 Held for 4y 6m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$127.7M 0.00% of portfolio	8.16% 4.7M shares	Q2 2021 Held for 4y 6m	$6.69T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$48.4M 0.00% of portfolio	3.10% 1.8M shares	Q2 2021 Held for 4y 6m	$2.88T
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	Stephen Thomas Weber CEO	$41.2M 0.30% of portfolio	2.63% 1.5M shares	Q3 2025 Held for 3 months	$14.0B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$35.3M 0.00% of portfolio	2.25% 1.3M shares	Q2 2021 Held for 4y 6m	$1.57T
T Tao Capital Management LP Institution	-	$30.4M 23.04% of portfolio	1.95% 1.1M shares	Q1 2021 Held for 4y 9m	$132.1M
Slate Path Capital LP Hedge Fund•Long/Short	David Gerald Greenspan CEO	$22.4M 0.33% of portfolio	1.43% 829.0K shares	Q3 2025 Held for 3 months	$6.8B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$21.3M 0.00% of portfolio	1.36% 788.6K shares	Q1 2021 Held for 4y 9m	$1.65T
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	David Allen Lippe CEO	$21.2M 0.03% of portfolio	1.35% 783.0K shares	Q2 2024 Held for 1y 6m	$75.8B
PENN CAPITAL MANAGEMENT CO INC Long Only Manager	Pamela Marie Lawrence President	$16.9M 1.30% of portfolio	1.08% 625.0K shares	Q1 2022 Held for 3y 9m	$1.3B

Net Capital Flow

Institutional buying and selling activity for OUST in Q3 2025

Traded: +$134.1M
Buyers: 138
Sellers: 86
Total Bought: +$266.8M
Total Sold: −$132.7M
Avg Position: $3.4M

Biggest Buyers

Institution	Net Bought	Current Position
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	+$41.2M +1.5M shares	$41.2M 1.5M shares
BlackRock, Inc. Institution	+$22.5M +830.7K shares	$131.6M 4.9M shares
Slate Path Capital LP Hedge Fund•Long/Short	+$22.4M +829.0K shares	$22.4M 829.0K shares
VANGUARD GROUP INC Institution	+$12.9M +478.4K shares	$127.7M 4.7M shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$10.6M +392.4K shares	$21.2M 783.0K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$9.2M +339.9K shares	$9.2M 339.9K shares
ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant	+$8.9M +329.7K shares	$13.5M 500.9K shares
H Handelsbanken Fonder AB Institution	+$7.8M +289.8K shares	$8.4M 310.2K shares
LORD, ABBETT & CO. LLC Long Only Manager	+$6.1M +226.1K shares	$6.1M 226.1K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$6.0M +221.4K shares	$6.0M 221.4K shares

Biggest Sellers

Institution	Net Sold	Current Position
D D. E. Shaw & Co., Inc. Institution	−$21.2M −784.9K shares	$7.5M 278.7K shares
Marshall Wace LLP Institution	−$15.8M −582.6K shares	$2.8M 104.7K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$15.2M −560.6K shares	$13.7M 505.2K shares
Invesco Ltd. ETF Provider	−$13.7M −508.2K shares	$1.7M 63.5K shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	−$12.3M −506.1K shares	Sold Off 0 shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$5.8M −216.2K shares	$8.3M 308.1K shares
H HRT FINANCIAL LLC Institution	−$4.6M −168.8K shares	$1.8M 65.6K shares
GOLDMAN SACHS GROUP INC Institution	−$4.4M −162.3K shares	$7.3M 269.8K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$4.2M −156.3K shares	$1.6M 57.8K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$3.5M −128.7K shares	$12.2M 452.6K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited OUST in Q3 2025

New Positions: 39
New Value: $107.8M
Exited Positions: 31
Exited Value: $27.8M

New Positions

Institution	Position Value
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	$41.2M 1.5M shares
Slate Path Capital LP Hedge Fund•Long/Short	$22.4M 829.0K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	$9.2M 339.9K shares
LORD, ABBETT & CO. LLC Long Only Manager	$6.1M 226.1K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	$6.0M 221.4K shares
GILDER GAGNON HOWE & CO LLC RIA/Wealth	$3.6M 131.3K shares
Hillsdale Investment Management Inc. Long Only Manager	$3.0M 112.3K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	$2.5M 91.1K shares
U Universal- Beteiligungs- und Servicegesellschaft mbH Institution	$1.7M 62.0K shares
Main Management ETF Advisors, LLC Institution	$1.5M 54.3K shares

Exited Positions

Institution	Previous Position
T T. Rowe Price Investment Management, Inc. Insurance Manager	$12.3M 506.1K shares
M Metavasi Capital LP Hedge Fund•Long/Short	$3.0M 125.0K shares
D DnB Asset Management AS Institution	$2.2M 92.1K shares
A AMERICAN CENTURY COMPANIES INC Institution	$1.5M 63.3K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$1.1M 47.2K shares
CenterBook Partners LP Hedge Fund•Market Neutral	$810.3K 33.4K shares
CLOUGH CAPITAL PARTNERS L P Hedge Fund•Long/Short	$654.8K 27.0K shares
Bulltick Wealth Management, LLC RIA/Wealth	$606.3K 25.0K shares
M MYDA Advisors LLC Hedge Fund•Long/Short	$606.3K 25.0K shares
O OMERS ADMINISTRATION Corp Institution	$594.1K 24.5K shares

Options Activity

Institutions with the largest Call and Put options positions in OUST as of Q3 2025

Call Positions: 16
Call Value: $72.8M
Put Positions: 10
Put Value: $44.6M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$18.1M 6.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$16.8M 6.2K contracts
D D. E. Shaw & Co., Inc. Institution	$10.5M 3.9K contracts
P PEAK6 LLC Institution	$10.3M 3.8K contracts
W WOLVERINE TRADING, LLC Institution	$6.3M 2.3K contracts
J JANE STREET GROUP, LLC Institution	$3.7M 1.4K contracts
C Cubist Systematic Strategies, LLC Institution	$3.7M 1.4K contracts
Caption Management, LLC Hedge Fund•Long/Short	$1.1M 417.0 contracts
THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager	$811.5K 300.0 contracts
Walleye Trading LLC RIA/Wealth	$798.0K 295.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$13.4M 4.9K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$13.3M 4.9K contracts
J JANE STREET GROUP, LLC Institution	$7.9M 2.9K contracts
C Cubist Systematic Strategies, LLC Institution	$3.5M 1.3K contracts
W WOLVERINE TRADING, LLC Institution	$2.5M 913.0 contracts
D D. E. Shaw & Co., Inc. Institution	$1.5M 563.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.4M 511.0 contracts
Walleye Trading LLC RIA/Wealth	$1.1M 394.0 contracts
P PEAK6 LLC Institution	$86.6K 32.0 contracts
I Ionic Capital Management LLC Hedge Fund•Multi-Strategy	- - contracts

Most Committed Institutions

Institutions with OUST as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
T Tao Capital Management LP Institution	-	23.04% $30.4M	1.95% 1.1M shares	Q1 2021 Held for 4y 9m	$132.1M
PENN CAPITAL MANAGEMENT CO INC Long Only Manager	Pamela Marie Lawrence President	1.30% $16.9M	1.08% 625.0K shares	Q1 2022 Held for 3y 9m	$1.3B
B Bastion Asset Management Inc. Institution	-	0.80% $1.4M	0.09% 50.6K shares	Q3 2025 Held for 3 months	$173.7M
ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager	Robert Joseph Uek CEO	0.77% $5.0M	0.32% 185.7K shares	Q1 2024 Held for 1y 9m	$652.8M
H Herald Investment Management Ltd Institution	-	0.69% $5.1M	0.33% 190.0K shares	Q1 2025 Held for 9 months	$745.8M
EAM Investors, LLC Long Only Manager	Derek John Gaertner CEO	0.44% $3.9M	0.25% 145.3K shares	Q2 2025 Held for 6 months	$873.4M
K KP Management LLC Hedge Fund•Long/Short	Brent Randal Peacock Managing Partner	0.36% $1.0M	0.07% 38.2K shares	Q2 2025 Held for 6 months	$285.4M
Benchmark Investment Advisors LLC RIA/Wealth	David William Swisher President	0.35% $607.7K	0.04% 20.5K shares	Q3 2025 Held for 3 months	$172.2M
Slate Path Capital LP Hedge Fund•Long/Short	David Gerald Greenspan CEO	0.33% $22.4M	1.43% 829.0K shares	Q3 2025 Held for 3 months	$6.8B
E EHP Funds Inc. Institution	-	0.30% $221.3K	0.01% 8.2K shares	Q3 2025 Held for 3 months	$72.6M

Hedge Fund Spotlight

Discover hedge funds investing in OUST

Zweig-DiMenna Associates LLC

Hedge Fund • Long/Short

Portfolio ManagerKevin P Cannon

Portfolio Value: $1.3B
Positions: 94
Last Reported: Q3 2025

Sector Allocation

Position in Ouster

Market Value: $2.4M
Shares Held: 90.2K
Portfolio Weight: 0.19%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Applovin Corporation APP	Software - Application Technology	$81.3M	6.32%
2 Amazon AMZN	Specialty Retail Consumer Cyclical	$79.4M	6.17%
3 Broadcom Inc. AVGO	Semiconductors Technology	$69.5M	5.40%