Security key
55306N104
- Security type / class
- Equity / COMMON STOCK
- Shares outstanding
- 67,999,671
- Total 13F shares
- 70,547,915
- Share change
- -1,952,343
- Total reported value
- $11,279,267,107
- Put/Call ratio
- 18%
- Reported price per share
- $159.80
- Number of holders
- 513
- Value change
- -$278,053,181
- Number of buys
- 287
- Number of sells
- 185
Security identity
Holder snapshot
Report period
Q4 2025
Institutions
513
Top holders
10
MKSI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
MKS INC SEC filings
MKS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 55306N104
Recent filing periods:
Ownership snapshot
Top shareholders of MKSI - MKS INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
50
Latest as of
31 Dec 2025
13F
13D/G
Lead comparable stake: 8.8%
13D/G row: BlackRock, Inc.
Showing first 8 of 50 holder rows.
Open remaining rows
Rank 1 holder
BlackRock, Inc.
13F
13D/G
- Ownership
- 8.8%
- Position
- $757.88M
Rank 2 holder
Invesco Ltd.
13D/G
13F
- Ownership
- 6.5%
- Position
- $806.34M
Rank 3 holder
VICTORY CAPITAL MANAGEMENT INC
13F
13D/G
- Ownership
- 5.6%
- Position
- $443.37M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
8.8%
from 13D/G
|
$757,884,395
6,123,329 shares
|
— | 30 Sep 2025 |
| Invesco Ltd. |
13D/G
13F
Company
|
6.5%
|
$806,336,618
4,394,205 shares
|
$0 | 31 Dec 2025 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
13D/G
Company
|
5.6%
from 13D/G
|
$443,370,874
3,582,216 shares
|
— | 30 Sep 2025 |
| Capital International Investors |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$402,829,640
3,254,663 shares
|
— | 30 Sep 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
4.1%
|
$505,335,328
2,753,871 shares
|
-$252,359,660 | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$959,477,046
7,752,097 shares
|
— | 30 Sep 2025 |
| FMR LLC |
13F
Company
|
5.1%
|
$426,172,769
3,443,264 shares
|
— | 30 Sep 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
4.4%
|
$373,017,407
3,013,795 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
513
Shares
70,547,915
Rows loaded
513
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
432
Q4 2025 holders
513
Holder diff
81
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend