MKS INC. (MKSI): Institutional Ownership
Hedge funds and institutional managers reporting a position in MKSI · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
26
13F filers
Aggregate Value
$1.2B
Across holders
Last Price
$388.61
2026-06-26
Sector
Information Technology
GICS
Holder activity11 new11 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Aspex Management (HK) Ltd CIK 0001768375 | Hedge Fund | 1.54M | $353.6M | 28.5% | 5.1% | New | — | Q1 2026 |
| Whale Rock Capital Management LLC CIK 0001387322 | Hedge Fund | 1.31M | $300.3M | 24.2% | 3.9% | New | — | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 904K | $207.8M | 16.7% | 0.0% | Added | +$197.7M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 407K | $93.6M | 7.5% | 0.1% | Reduced | $-24.0M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 279K | $64.0M | 5.2% | 0.1% | Added | +$57.3M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 195K | $44.9M | 3.6% | 0.1% | Reduced | $-6.9M | Q1 2026 |
| LIGHT STREET CAPITAL MANAGEMENT, LLC CIK 0001569049 | Hedge Fund | 122K | $28.1M | 2.3% | 5.3% | Added | +$23.6M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 104K | $23.8M | 1.9% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 99K | $22.7M | 1.8% | 0.0% | New | — | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 81K | $18.7M | 1.5% | 0.0% | Added | +$17.0M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 79K | $18.2M | 1.5% | 0.1% | Added | +$18.2M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 74K | $17.1M | 1.4% | 0.0% | Added | +$16.1M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 60K | $13.8M | 1.1% | 0.1% | New | — | Q1 2026 |
| GLENVIEW CAPITAL MANAGEMENT LLC CIK 0001138995 | Hedge Fund | 74K | $11.9M | 1.0% | 0.2% | New | — | Q4 2025 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 38K | $8.8M | 0.7% | 0.0% | New | — | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 11K | $2.6M | 0.2% | 0.0% | Added | +$2.0M | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 10K | $2.3M | 0.2% | 0.0% | New | — | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 8K | $1.9M | 0.2% | 0.0% | Added | +$232K | Q1 2026 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 8K | $1.8M | 0.1% | 0.0% | Added | +$47K | Q1 2026 |
| MAVERICK CAPITAL LTD CIK 0000934639 | Hedge Fund | 7K | $1.7M | 0.1% | 0.0% | New | — | Q1 2026 |
New
Hedge Fund
$353.6M· 28.5% of total· 5.1% port· 1.54M sh· — QoQ· Q1 2026
New
Hedge Fund
$300.3M· 24.2% of total· 3.9% port· 1.31M sh· — QoQ· Q1 2026
Added
Hedge Fund
$207.8M· 16.7% of total· 0.0% port· 904K sh· +$197.7M QoQ· Q1 2026
Reduced
Hedge Fund
$93.6M· 7.5% of total· 0.1% port· 407K sh· $-24.0M QoQ· Q1 2026
Added
Hedge Fund
$64.0M· 5.2% of total· 0.1% port· 279K sh· +$57.3M QoQ· Q1 2026
Reduced
Hedge Fund
$44.9M· 3.6% of total· 0.1% port· 195K sh· $-6.9M QoQ· Q1 2026
Added
Hedge Fund
$28.1M· 2.3% of total· 5.3% port· 122K sh· +$23.6M QoQ· Q1 2026
New
Hedge Fund
$23.8M· 1.9% of total· 0.0% port· 104K sh· — QoQ· Q1 2026
New
Hedge Fund
$22.7M· 1.8% of total· 0.0% port· 99K sh· — QoQ· Q1 2026
Added
Hedge Fund
$18.7M· 1.5% of total· 0.0% port· 81K sh· +$17.0M QoQ· Q1 2026
Added
Hedge Fund
$18.2M· 1.5% of total· 0.1% port· 79K sh· +$18.2M QoQ· Q1 2026
Added
Hedge Fund
$17.1M· 1.4% of total· 0.0% port· 74K sh· +$16.1M QoQ· Q1 2026
New
Hedge Fund
$13.8M· 1.1% of total· 0.1% port· 60K sh· — QoQ· Q1 2026
New
Hedge Fund
$11.9M· 1.0% of total· 0.2% port· 74K sh· — QoQ· Q4 2025
New
Hedge Fund
$8.8M· 0.7% of total· 0.0% port· 38K sh· — QoQ· Q1 2026
Added
Hedge Fund
$2.6M· 0.2% of total· 0.0% port· 11K sh· +$2.0M QoQ· Q1 2026
New
Hedge Fund
$2.3M· 0.2% of total· 0.0% port· 10K sh· — QoQ· Q1 2026
Added
Hedge Fund
$1.9M· 0.2% of total· 0.0% port· 8K sh· +$232K QoQ· Q1 2026
Added
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 8K sh· +$47K QoQ· Q1 2026
New
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q1 2026
New
Hedge Fund
$1.6M· 0.1% of total· 0.0% port· 16K sh· — QoQ· Q2 2025
Reduced
Institutional Manager
$891K· 0.1% of total· 0.0% port· 4K sh· $-2K QoQ· Q1 2026
Added
Hedge Fund
$843K· 0.1% of total· 0.0% port· 4K sh· +$18K QoQ· Q1 2026
New
Hedge Fund
$457K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q3 2025
Added
Hedge Fund
$23K· 0.0% of total· 0.0% port· 100 sh· +$4K QoQ· Q1 2026
Reduced
Hedge Fund
$11K· 0.0% of total· 0.0% port· 51 sh· $-353K QoQ· Q1 2026
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