Diodes
DIOD • NASDAQ
Diodes is a semiconductors company in the technology sector on NASDAQ, led by Keh-Shew Lu, with a market cap of $2.3B. As of Q3 2025, 100% of shares are held by 286 institutional investors, with BlackRock, Inc. as the largest holder at 15.33%.
President and Chief Executive OfficerKeh-Shew Lu
Market Cap$2.3B
Semiconductors
Technology
Employees8.6K
Websitediodes.com
Country
United States of America
Overview
Overview of institutional ownership in DIOD as of Q3 2025 with a market cap of $2.5B
All Institutions
- Institutions
- 286
- Value Held
- $2.5B
- Shares Held
- 46.4M
- Avg Position
- $8.6M
- Median Position
- $504.6K
Hedge Funds
- Hedge Funds
- 26
- Value Held
- $90.3M
- Shares Held
- 1.7M
- Avg Position
- $3.5M
- Median Position
- $975.3K
Ownership Breakdown
Based on market cap of $2.5B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in DIOD as of Q3 2025
| Institution | Position Value |
|---|---|
B BlackRock, Inc. Institution | $378.9M 0.01% of portfolio |
 VANGUARD GROUP INC Institution | $318.6M 0.00% of portfolio |
 FMR LLC Institution | $318.6M 0.02% of portfolio |
 STATE STREET CORP Institution | $130.9M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $129.3M 0.03% of portfolio |
 MORGAN STANLEY RIA/Wealth | $107.3M 0.01% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $71.2M 0.00% of portfolio |
 BARROW HANLEY MEWHINNEY & STRAUSS LLC Long Only Manager | $68.2M 0.22% of portfolio |
 EARNEST PARTNERS LLC Long Only Manager | $57.7M 0.25% of portfolio |
 Global Alpha Capital Management Ltd. Long Only Manager | $44.8M 2.56% of portfolio |
Net Capital Flow
Institutional buying and selling activity for DIOD in Q3 2025
- Traded
- +$69.6M
- Buyers
- 143
- Sellers
- 141
- Total Bought
- +$205.8M
- Total Sold
- −$136.2M
- Avg Position
- $7.6M
Biggest Buyers
| Institution | Net Bought |
|---|---|
 ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | +$37.5M +705.1K shares |
B BESSEMER GROUP INC Institution | +$19.5M +366.4K shares |
 Invesco Ltd. ETF Provider | +$17.9M +335.6K shares |
 Tributary Capital Management, LLC Long Only Manager | +$16.5M +310.5K shares |
FMR LLC Institution | +$16.1M +303.1K shares |
 LAZARD ASSET MANAGEMENT LLC Long Only Manager | +$10.2M +192.3K shares |
STATE STREET CORP Institution | +$9.2M +172.0K shares |
A Assenagon Asset Management S.A. Institution | +$8.2M +154.8K shares |
 JPMORGAN CHASE & CO Institution | +$8.2M +153.9K shares |
MORGAN STANLEY RIA/Wealth | +$7.8M +147.3K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
D D. E. Shaw & Co., Inc. Institution | −$15.8M −297.8K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | −$8.4M −159.7K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$7.1M −133.9K shares |
W Winton Capital Group Ltd Institution | −$6.2M −116.9K shares |
B BlackRock, Inc. Institution | −$5.8M −108.4K shares |
 VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy | −$5.7M −106.7K shares |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$4.7M −88.9K shares |
B BNP PARIBAS ARBITRAGE, SA Institution | −$4.5M −84.7K shares |
BARROW HANLEY MEWHINNEY & STRAUSS LLC Long Only Manager | −$4.0M −75.7K shares |
C | −$4.0M −74.9K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited DIOD in Q3 2025
- New Positions
- 16
- New Value
- $2.3M
- Exited Positions
- 38
- Exited Value
- $48.5M
New Positions
| Institution | Position Value |
|---|---|
 Horizon Investments, LLC/SC Long Only Manager | $576.5K 10.8K shares |
B Bridgefront Capital, LLC Hedge Fund•Quant | $468.5K 8.8K shares |
 SUMMIT WEALTH GROUP LLC / CO RIA/Wealth | $387.1K 4.9K shares |
 Everhart Financial Group, Inc. RIA/Wealth | $329.9K 6.2K shares |
P PharVision Advisers, LLC Hedge Fund•Long/Short | $242.0K 4.5K shares |
 Heritage Family Offices, LLP Family Office | $228.1K 4.3K shares |
S Salomon & Ludwin, LLC Institution | $24.9K 474.0 shares |
 Sontag Advisory, LLC RIA/Wealth | $17.2K 323.0 shares |
 Steigerwald, Gordon & Koch Inc. RIA/Wealth | $13.3K 250.0 shares |
R Root Financial Partners, LLC RIA/Wealth | $6.7K 126.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
S Squarepoint Ops LLC Hedge Fund•Quant | $8.4M 159.7K shares |
W Winton Capital Group Ltd Institution | $6.2M 116.9K shares |
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $4.7M 88.9K shares |
C | $4.0M 74.9K shares |
 Numerai GP LLC Hedge Fund•Quant | $3.7M 69.9K shares |
H HRT FINANCIAL LLC Institution | $3.3M 63.2K shares |
J Jump Financial, LLC Institution | $3.1M 59.2K shares |
 WELLINGTON MANAGEMENT CO LLP Long Only Manager | $3.0M 57.2K shares |
 Aquatic Capital Management LLC Hedge Fund•Quant | $2.2M 41.4K shares |
 ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy | $1.6M 30.6K shares |
Options Activity
Institutions with the largest Call and Put options positions in DIOD as of Q3 2025
- Call Positions
- 7
- Call Value
- $1.4M
- Put Positions
- 4
- Put Value
- $399.1K
Call Positions
| Institution | Position Value |
|---|---|
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $505.5K 95.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $478.9K 90.0 contracts |
J JANE STREET GROUP, LLC Institution | $345.9K 65.0 contracts |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $69.2K 13.0 contracts |
R Raiffeisen Bank International AG Institution | $5.6K 1.1 contracts |
W WOLVERINE TRADING, LLC Institution | - - contracts |
 Walleye Trading LLC RIA/Wealth | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $377.8K 71.0 contracts |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $21.3K 4.0 contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Walleye Trading LLC RIA/Wealth | - - contracts |
Most Committed Institutions
Institutions with DIOD as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Global Alpha Capital Management Ltd. Long Only Manager | 2.56% $44.8M |
Tributary Capital Management, LLC Long Only Manager | 1.63% $34.4M |
 Bridge City Capital, LLC Long Only Manager | 1.55% $5.8M |
 Sovereign's Capital Management, LLC Private Equity | 0.66% $1.2M |
 OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager | 0.45% $11.6M |
 WASHINGTON CAPITAL MANAGEMENT INC Real Assets | 0.44% $617.2K |
 PDT Partners, LLC Hedge Fund•Quant | 0.31% $5.0M |
S SHAKER INVESTMENTS LLC/OH Hedge Fund•Long/Short | 0.28% $693.4K |
 FRONTIER CAPITAL MANAGEMENT CO LLC Long Only Manager | 0.27% $30.5M |
EARNEST PARTNERS LLC Long Only Manager | 0.25% $57.7M |
Hedge Fund Spotlight
Discover hedge funds investing in DIOD
Quest Partners LLC
Hedge Fund • Quant Macro
Portfolio ManagerNigol (Nmn) Koulajian
- Portfolio Value
- $1.5B
- Positions
- 2,240
- Last Reported
- Q3 2025
Sector Allocation
Position in Diodes
- Market Value
- $313.7K
- Shares Held
- 5.9K
- Portfolio Weight
- 0.02%
- Owned Since
- 2024-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $39.0M | 2.54% | |
ETF ETF | $6.5M | 0.42% | |
ETF ETF | $6.5M | 0.42% |
