System1
SST • NYSE
System1 is a specialty business services company in the industrials sector on NYSE, led by Michael Blend, with a market cap of $35.7M. As of Q3 2025, 40% of shares are held by 29 institutional investors, with Cannae Holdings, Inc. as the largest holder at 33.57%.
CEOMichael Blend
Market Cap$35.7M
Specialty Business Services
Industrials
Employees300.0
Websitesystem1.com
Country
United States of America
Overview
Overview of institutional ownership in SST as of Q3 2025 with a market cap of $56.6M
All Institutions
- Institutions
- 29
- Value Held
- $22.5M
- Shares Held
- 3.2M
- Avg Position
- $776.4K
- Median Position
- $7.7K
Hedge Funds
- Hedge Funds
- 3
- Value Held
- $462.8K
- Shares Held
- 65.7K
- Avg Position
- $154.3K
- Median Position
- $120.5K
Ownership Breakdown
Based on market cap of $56.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in SST as of Q3 2025
| Institution | Position Value |
|---|---|
 Cannae Holdings, Inc. Institution | $19.0M 10.04% of portfolio |
 BANK OF AMERICA CORP /DE/ Institution | $1.1M 0.00% of portfolio |
 HPM Partners LLC RIA/Wealth | $822.7K 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $330.4K 0.00% of portfolio |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $271.5K 0.00% of portfolio |
 Marshall Wace LLP Institution | $255.3K 0.00% of portfolio |
B BlackRock, Inc. Institution | $170.4K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $120.5K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $101.3K 0.00% of portfolio |
X XTX Topco Ltd Institution | $88.0K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for SST in Q3 2025
- Traded
- −$113.4K
- Buyers
- 10
- Sellers
- 20
- Total Bought
- +$515.7K
- Total Sold
- −$629.1K
- Avg Position
- $608.6K
Biggest Buyers
| Institution | Net Bought |
|---|---|
Marshall Wace LLP Institution | +$255.3K +36.3K shares |
X XTX Topco Ltd Institution | +$88.0K +12.5K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$70.8K +10.1K shares |
HPM Partners LLC RIA/Wealth | +$53.4K +7.6K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$35.9K +5.1K shares |
R ROYAL BANK OF CANADA Institution | +$8.0K +1.1K shares |
 UBS Group AG Institution | +$3.1K +-10.2K shares |
B BNP PARIBAS ARBITRAGE, SA Institution | +$859.0 +-4.4K shares |
 GAMMA Investing LLC Long Only Manager | +$281.6 +40.0 shares |
 CITIGROUP INC Institution | +$7.0 +1.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
J JANE STREET GROUP, LLC Institution | −$175.2K −31.7K shares |
B BlackRock, Inc. Institution | −$105.0K −14.9K shares |
BANK OF AMERICA CORP /DE/ Institution | −$89.5K −12.7K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$68.4K −12.4K shares |
H HRT FINANCIAL LLC Institution | −$65.6K −11.9K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | −$50.4K −7.1K shares |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$29.7K −4.2K shares |
T Tower Research Capital LLC Institution | −$13.7K −1.9K shares |
W WHITE BAY PT LLC Institution | −$10.2K −1.8K shares |
G GROUP ONE TRADING, L.P. Institution | −$9.5K −1.4K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited SST in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 8
- Exited Value
- $324.6K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
J JANE STREET GROUP, LLC Institution | $175.2K 31.7K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $68.4K 12.4K shares |
H HRT FINANCIAL LLC Institution | $65.6K 11.9K shares |
W WHITE BAY PT LLC Institution | $10.2K 1.8K shares |
 WELLS FARGO & COMPANY/MN Institution | $4.9K 891.0 shares |
R Russell Investments Group, Ltd. RIA/Wealth | $94.0 17.0 shares |
E EverSource Wealth Advisors, LLC RIA/Wealth | $61.0 11.0 shares |
 RHUMBLINE ADVISERS Long Only Manager | $9.0 1.6 shares |
Options Activity
Institutions with the largest Call and Put options positions in SST as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with SST as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Cannae Holdings, Inc. Institution | 10.04% $19.0M |
X XTX Topco Ltd Institution | 0.00% $88.0K |
HPM Partners LLC RIA/Wealth | 0.00% $822.7K |
Marshall Wace LLP Institution | 0.00% $255.3K |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | 0.00% $271.5K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $120.5K |
G GROUP ONE TRADING, L.P. Institution | 0.00% $5.1K |
T Tower Research Capital LLC Institution | 0.00% $4.5K |
BANK OF AMERICA CORP /DE/ Institution | 0.00% $1.1M |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $70.8K |
Hedge Fund Spotlight
Discover hedge funds investing in SST
MILLENNIUM MANAGEMENT LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerDan Michael Berkovitz
- Portfolio Value
- $121.98B
- Positions
- 3,803
- Last Reported
- Q3 2025
Sector Allocation
Position in System1
- Market Value
- $271.5K
- Shares Held
- 38.6K
- Portfolio Weight
- 0.00%
- Owned Since
- 2024-Q1
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $5.0B | 4.11% | |
Semiconductors Technology | $3.4B | 2.80% | |
Consumer Electronics Technology | $1.8B | 1.46% |
