Tower Semiconductor

TSEM • NASDAQ

Tower Semiconductor is a semiconductors company in the technology sector on NASDAQ, led by Russell Ellwanger, with a market cap of $14.5B. As of Q3 2025, 64% of shares are held by 244 institutional investors, with RIMA SENVEST MANAGEMENT, L.L.C. as the largest holder at 5.01%.

Chief Executive OfficerRussell Ellwanger

Market Cap$14.5B

Semiconductors

Technology

Employees5.2K

Websitetowersemi.com

Overview

Overview of institutional ownership in TSEM as of Q3 2025 with a market cap of $8.1B

All Institutions

Institutions: 244
Value Held: $5.2B
Shares Held: 72.0M
Avg Position: $21.3M
Median Position: $1.6M

Hedge Funds

Hedge Funds: 36
Value Held: $1.2B
Shares Held: 16.6M
Avg Position: $33.4M
Median Position: $9.6M

Ownership Breakdown

Institutional (non-HF)

49.45%

$4.0B

Hedge Funds

14.86%

$1.2B

Retail & Other

35.68%

$2.9B

Based on market cap of $8.1B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in TSEM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	Richard Ron Mashaal Founder	$405.0M 13.01% of portfolio	5.01% 5.6M shares	Q1 2014 Held for 11y 8m	$3.1B
C Clal Insurance Enterprises Holdings Ltd Institution	-	$390.1M 3.32% of portfolio	4.82% 5.4M shares	Q3 2017 Held for 8y 2m	$11.7B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$305.6M 0.00% of portfolio	3.83% 4.3M shares	Q1 2015 Held for 10y 8m	$6.69T
B BlackRock, Inc. Institution	-	$301.4M 0.01% of portfolio	3.73% 4.2M shares	Q4 2016 Held for 8y 11m	$5.67T
P Phoenix Holdings Ltd. Institution	-	$279.8M 3.36% of portfolio	3.46% 3.9M shares	Q3 2019 Held for 6y 2m	$8.3B
M Migdal Insurance & Financial Holdings Ltd. Institution	-	$215.3M 2.73% of portfolio	2.66% 3.0M shares	Q2 2016 Held for 9y 5m	$7.9B
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	Steven Alan Cohen CEO	$204.1M 0.47% of portfolio	2.52% 2.8M shares	Q4 2023 Held for 1y 11m	$43.2B
JENNISON ASSOCIATES LLC Long Only Manager	Jeffrey Todd Becker CEO	$168.6M 0.10% of portfolio	2.08% 2.3M shares	Q3 2019 Held for 6y 2m	$171.73B
H Harel Insurance Investments & Financial Services Ltd. Institution	-	$167.6M 1.70% of portfolio	2.07% 2.3M shares	Q4 2017 Held for 7y 11m	$9.8B
MEITAV DASH INVESTMENTS LTD RIA/Wealth	Jonathan Dash President	$162.9M 2.25% of portfolio	2.03% 2.3M shares	Q2 2020 Held for 5y 5m	$7.2B

Net Capital Flow

Institutional buying and selling activity for TSEM in Q3 2025

Traded: +$88.4M
Buyers: 130
Sellers: 114
Total Bought: +$941.1M
Total Sold: −$852.6M
Avg Position: $18.8M

Biggest Buyers

Institution	Net Bought	Current Position
B BlackRock, Inc. Institution	+$248.3M +3.4M shares	$301.4M 4.2M shares
Hood River Capital Management LLC Long Only Manager	+$109.2M +1.5M shares	$109.2M 1.5M shares
Park West Asset Management LLC Hedge Fund•Multi-Strategy	+$42.7M +590.0K shares	$42.7M 590.0K shares
GILDER GAGNON HOWE & CO LLC RIA/Wealth	+$35.0M +484.0K shares	$35.0M 484.0K shares
S Situational Awareness LP Hedge Fund•Sector	+$34.0M +470.6K shares	$34.0M 470.6K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$27.3M +378.0K shares	$32.2M 444.8K shares
JENNISON ASSOCIATES LLC Long Only Manager	+$26.7M +369.6K shares	$168.6M 2.3M shares
MORGAN STANLEY RIA/Wealth	+$26.7M +369.3K shares	$31.9M 440.7K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	+$25.3M +349.8K shares	$50.8M 703.0K shares
PointState Capital LP Hedge Fund•Multi-Strategy	+$20.5M +283.5K shares	$20.5M 283.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	−$252.5M −3.5M shares	$204.1M 2.8M shares
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	−$182.7M −2.5M shares	$405.0M 5.6M shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	−$60.6M −837.9K shares	$102.4M 1.4M shares
BARROW HANLEY MEWHINNEY & STRAUSS LLC Long Only Manager	−$39.3M −544.1K shares	$96.8M 1.3M shares
S Shannon River Fund Management CO LLC Hedge Fund•Long/Short	−$36.5M −505.4K shares	$69.6M 962.1K shares
MENORA MIVTACHIM HOLDINGS LTD. Private Equity	−$23.4M −324.0K shares	$123.2M 1.7M shares
M MANUFACTURERES LIFE INSURANCE CO Institution	−$20.6M −285.4K shares	$29.7M 410.5K shares
C Clal Insurance Enterprises Holdings Ltd Institution	−$17.0M −235.6K shares	$390.1M 5.4M shares
WATERS PARKERSON & CO., LLC RIA/Wealth	−$15.7M −217.4K shares	$3.3M 45.5K shares
Q Qube Research & Technologies Ltd Institution	−$14.5M −200.4K shares	$8.0M 110.0K shares

Entry and Exit Activity

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

New Positions: 34
New Value: $232.2M
Exited Positions: 32
Exited Value: $39.5M

New Positions

Institution	Position Value
Park West Asset Management LLC Hedge Fund•Multi-Strategy	$42.7M 590.0K shares
GILDER GAGNON HOWE & CO LLC RIA/Wealth	$35.0M 484.0K shares
S Situational Awareness LP Hedge Fund•Sector	$34.0M 470.6K shares
PointState Capital LP Hedge Fund•Multi-Strategy	$20.5M 283.5K shares
SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager	$18.8M 260.0K shares
C CREDIT AGRICOLE S A Institution	$17.6M 243.7K shares
Benchstone Capital Management LP Hedge Fund•Long/Short	$17.2M 238.3K shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	$10.2M 140.9K shares
B Bank Julius Baer & Co. Ltd, Zurich Institution	$9.0M 124.9K shares
WCM INVESTMENT MANAGEMENT/CA Long Only Manager	$5.8M 82.3K shares

Exited Positions

Institution	Previous Position
Marshall Wace LLP Institution	$10.4M 240.0K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$4.4M 102.0K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	$4.2M 97.4K shares
Integrated Wealth Concepts LLC RIA/Wealth	$3.8M 87.5K shares
J Jump Financial, LLC Institution	$3.1M 71.8K shares
Atom Investors LP Hedge Fund•Market Neutral	$2.7M 63.3K shares
S State of New Jersey Common Pension Fund D Institution	$1.9M 44.7K shares
OPPENHEIMER & CO INC RIA/Wealth	$1.4M 33.1K shares
C Cubist Systematic Strategies, LLC Institution	$1.0M 24.0K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$1.0M 23.2K shares

Options Activity

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

Call Positions: 15
Call Value: $97.2M
Put Positions: 12
Put Value: $53.0M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$26.8M 3.7K contracts
J JANE STREET GROUP, LLC Institution	$22.6M 3.1K contracts
P PEAK6 LLC Institution	$11.0M 1.5K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$11.0M 1.5K contracts
P Parallax Volatility Advisers, LLC Hedge Fund•Vol Arbitrage	$10.3M 1.4K contracts
N NOMURA HOLDINGS INC Institution	$8.0M 1.1K contracts
W WOLVERINE TRADING, LLC Institution	$3.9M 551.0 contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$2.1M 285.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$1.0M 140.0 contracts
Walleye Trading LLC RIA/Wealth	$267.5K 37.0 contracts

Put Positions

Institution	Position Value
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Hedge Fund•Long/Short	$21.7M 3.0K contracts
J JANE STREET GROUP, LLC Institution	$8.9M 1.2K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$7.2M 998.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.6M 779.0 contracts
W WOLVERINE TRADING, LLC Institution	$2.2M 309.0 contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$2.2M 301.0 contracts
AMERIPRISE FINANCIAL INC Institution	$1.9M 267.0 contracts
BANK OF MONTREAL /CAN/ Institution	$1.5M 210.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$1.2M 163.0 contracts
Walleye Trading LLC RIA/Wealth	$274.7K 38.0 contracts

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
EAM Global Investors LLC Long Only Manager	Derek John Gaertner CEO	14.61% $3.5M	0.04% 47.8K shares	Q3 2025 Held for 2 months	$23.6M
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	Richard Ron Mashaal Founder	13.01% $405.0M	5.01% 5.6M shares	Q1 2014 Held for 11y 8m	$3.1B
S Shannon River Fund Management CO LLC Hedge Fund•Long/Short	Spencer Marshal Waxman Managing Partner	11.20% $69.6M	0.86% 962.1K shares	Q4 2023 Held for 1y 11m	$621.2M
Mivtachim The Workers Social Insurance Fund Ltd. Private Equity	Edward Joseph Keefe CFO	8.61% $59.0M	0.73% 816.3K shares	Q2 2017 Held for 8y 5m	$685.6M
S SPHERA FUNDS MANAGEMENT LTD. Institution	-	5.42% $22.5M	0.28% 311.8K shares	Q2 2023 Held for 2y 5m	$416.3M
K Katamaran Capital LLP Institution	-	4.86% $5.3M	0.07% 73.6K shares	Q3 2025 Held for 2 months	$109.6M
NEUMEIER POMA INVESTMENT COUNSEL LLC Long Only Manager	Brian David Poma CEO	4.62% $56.5M	0.70% 781.4K shares	Q4 2024 Held for 11 months	$1.2B
G G2 Investment Partners Management LLC Hedge Fund•Long/Short	Joshua M Goldberg Managing Partner	4.48% $21.0M	0.26% 289.9K shares	Q2 2025 Held for 5 months	$467.4M
Y Y.D. More Investments Ltd Institution	-	3.94% $68.8M	0.86% 965.4K shares	Q3 2023 Held for 2y 2m	$1.7B
Park West Asset Management LLC Hedge Fund•Multi-Strategy	Peter Sang Hun Park CIO	3.90% $42.7M	0.53% 590.0K shares	Q3 2025 Held for 2 months	$1.1B

Hedge Fund Spotlight

Discover hedge funds investing in TSEM

Arvin Capital Management LP

Hedge Fund • Long/Short

Portfolio ManagerRohan Arvin Varavadekar

Portfolio Value: $432.0M
Positions: 22
Last Reported: Q3 2025

Sector Allocation

Position in Tower Semiconductor

Market Value: $12.4M
Shares Held: 171.0K
Portfolio Weight: 2.86%
Owned Since: 2024-Q4

Top Holding	Sector	Market Value	Weight
1 TransAlta TAC	Independent Power Producers Utilities	$42.5M	9.83%
2 Thermo Fisher Scientific TMO	Medical - Diagnostics & Research Healthcare	$40.0M	9.26%
3 Amentum Holdings AMTM	Unknown Unknown	$39.2M	9.07%