MKS (MKSI)
MKS on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as industrial instruments for measurement, display, and control.
5.1M
Short interest
settlement 2026-09-30
4.2
Days to cover
-0.4 days vs prior
44.6%
Short share of volume
2026-10-09
813
Fails to deliver
settlement 2026-08-26
Wed 4 Nov
Next earnings
estimated date
-$3.2M
Insider flow, 90 days
0 buys, 3 sells
As of 2026-10-09.
Short interest
FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in MKSI is 5,086,476 shares, down 1,166,157 shares over the last month. Over the last 48 readings it ranged from 1,731,773 shares (15 October 2024) to 6,252,633 shares (31 August 2026). At the reported average volume of 1.2M shares a day that is 4.2 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 5,086,476 | -16.3% | 1,205,856 | 4.22 |
| 2026-09-15 | 6,074,579 | -2.9% | 1,329,377 | 4.57 |
| 2026-08-31 | 6,252,633 | +14.0% | 1,262,966 | 4.95 |
| 2026-08-14 | 5,486,566 | -4.6% | 1,566,731 | 3.50 |
| 2026-07-31 | 5,751,932 | +11.5% | 1,429,558 | 4.02 |
| 2026-07-15 | 5,158,599 | +3.9% | 1,312,542 | 3.93 |
| 2026-06-30 | 4,963,667 | +8.2% | 1,799,055 | 2.76 |
| 2026-06-15 | 4,587,428 | +3.7% | 986,300 | 4.65 |
| 2026-05-29 | 4,424,884 | +2.2% | 1,140,671 | 3.88 |
| 2026-05-15 | 4,329,183 | +21.5% | 1,515,829 | 2.86 |
| 2026-04-30 | 3,562,308 | +0.9% | 1,105,236 | 3.22 |
| 2026-04-15 | 3,531,885 | -5.6% | 890,651 | 3.97 |
| 2026-03-31 | 3,742,623 | +8.9% | 1,150,631 | 3.25 |
| 2026-03-13 | 3,435,696 | -10.6% | 1,311,229 | 2.62 |
| 2026-02-27 | 3,842,559 | +20.0% | 1,799,101 | 2.14 |
| 2026-02-13 | 3,201,298 | +8.6% | 1,902,222 | 1.68 |
| 2026-01-30 | 2,948,350 | -6.8% | 1,854,477 | 1.59 |
| 2026-01-15 | 3,163,366 | +7.1% | 929,993 | 3.40 |
| 2025-12-31 | 2,952,723 | +4.9% | 719,355 | 4.10 |
| 2025-12-15 | 2,813,958 | -3.1% | 918,300 | 3.06 |
| 2025-11-28 | 2,903,574 | -20.2% | 769,460 | 3.77 |
| 2025-11-14 | 3,638,347 | +4.7% | 1,213,118 | 3.00 |
| 2025-10-31 | 3,473,816 | -5.9% | 880,139 | 3.95 |
| 2025-10-15 | 3,693,278 | +2.1% | 1,172,392 | 3.15 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 9 October 2026, the short share of MKSI volume is 44.6%, up 24.3 points over the last five sessions. Over the last 30 readings it ranged from 20.3% (2 October 2026) to 84.4% (23 September 2026). The latest reading is in line with the 30-session average of 44.3%, on 295K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-09 | 132K | 295K | 44.6% | 901 |
| 2026-10-08 | 201K | 581K | 34.5% | 225 |
| 2026-10-07 | 199K | 464K | 42.9% | 21 |
| 2026-10-06 | 176K | 509K | 34.7% | 0 |
| 2026-10-05 | 189K | 519K | 36.5% | 136 |
| 2026-10-02 | 119K | 586K | 20.3% | 589 |
| 2026-10-01 | 189K | 485K | 38.9% | 500 |
| 2026-09-30 | 113K | 237K | 47.5% | 0 |
| 2026-09-29 | 181K | 334K | 54.3% | 18 |
| 2026-09-28 | 211K | 406K | 52.0% | 38 |
| 2026-09-25 | 137K | 226K | 61.0% | 20 |
| 2026-09-24 | 164K | 293K | 56.2% | 26 |
| 2026-09-23 | 898K | 1.1M | 84.4% | 5 |
| 2026-09-22 | 147K | 384K | 38.3% | 68 |
| 2026-09-21 | 203K | 350K | 58.0% | 11 |
| 2026-09-18 | 200K | 429K | 46.7% | 59 |
| 2026-09-17 | 146K | 340K | 42.9% | 11 |
| 2026-09-16 | 122K | 326K | 37.6% | 0 |
| 2026-09-15 | 182K | 691K | 26.4% | 3,028 |
| 2026-09-14 | 216K | 588K | 36.7% | 2,732 |
| 2026-09-11 | 165K | 317K | 52.0% | 1,218 |
| 2026-09-10 | 224K | 434K | 51.6% | 13 |
| 2026-09-09 | 304K | 556K | 54.7% | 13 |
| 2026-09-08 | 287K | 827K | 34.7% | 53 |
| 2026-09-04 | 330K | 595K | 55.5% | 358 |
| 2026-09-03 | 207K | 471K | 43.9% | 8 |
| 2026-09-02 | 189K | 518K | 36.4% | 1,102 |
| 2026-09-01 | 204K | 763K | 26.7% | 6,575 |
| 2026-08-31 | 202K | 408K | 49.5% | 1 |
| 2026-08-28 | 189K | 644K | 29.3% | 8 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 26 August 2026, the fails-to-deliver balance in MKSI is 813 shares, down 3,010 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (4 June 2026) to 21,700 shares (5 May 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-26 | 813 | $270.48 | $220K |
| 2026-08-05 | 3,823 | $320.76 | $1.2M |
| 2026-07-30 | 112 | $257.61 | $29K |
| 2026-07-23 | 61 | $344.84 | $21K |
| 2026-07-22 | 2,366 | $345.44 | $817K |
| 2026-07-21 | 1,411 | $324.28 | $458K |
| 2026-07-20 | 2,315 | $324.69 | $752K |
| 2026-07-17 | 1 | $332.00 | $332 |
| 2026-07-07 | 39 | $368.06 | $14K |
| 2026-07-02 | 613 | $411.05 | $252K |
| 2026-07-01 | 1,143 | $444.80 | $508K |
| 2026-06-30 | 5,389 | $416.00 | $2.2M |
| 2026-06-26 | 748 | $410.31 | $307K |
| 2026-06-22 | 2,412 | $406.37 | $980K |
| 2026-06-12 | 12 | $345.32 | $4K |
| 2026-06-11 | 4,245 | $316.07 | $1.3M |
| 2026-06-10 | 648 | $320.96 | $208K |
| 2026-06-08 | 2 | $301.65 | $603 |
| 2026-06-05 | 1 | $330.23 | $330 |
| 2026-06-04 | 1 | $335.15 | $335 |
| 2026-05-21 | 15,393 | $311.51 | $4.8M |
| 2026-05-19 | 1,087 | $295.70 | $321K |
| 2026-05-18 | 1,200 | $303.17 | $364K |
| 2026-05-12 | 40 | $319.71 | $13K |
| 2026-05-11 | 5,213 | $313.21 | $1.6M |
| 2026-05-07 | 92 | $293.77 | $27K |
| 2026-05-05 | 21,700 | $291.53 | $6.3M |
| 2026-05-01 | 9,378 | $283.75 | $2.7M |
| 2026-04-27 | 1,000 | $280.98 | $281K |
| 2026-04-22 | 8 | $273.77 | $2K |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at MKSI reported 3 open-market sells worth $3.2M in the last 90 days and no open-market buys. Latest filing: Mora Elizabeth (Director) on 2026-09-01.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | Mora Elizabeth | Director | Sell | 300 | $250.96 | $75K | 19K |
| 2026-08-14 | Lee John Tseng-Chung | President & CEO | Sell | 10K | $302.01 | $3.0M | 135K |
| 2026-08-03 | Williams John Edward | EVP & GM, PSD | Sell | 457 | $288.31 | $132K | 4K |
| 2026-06-12 | Schreiner James Alan | EVP & COO | Sell | 217 | $347.00 | $75K | 19K |
| 2026-06-12 | Schreiner James Alan | EVP & COO | Sell | 2K | $345.52 | $854K | 20K |
| 2026-06-12 | Schreiner James Alan | EVP & COO | Sell | 812 | $346.41 | $281K | 19K |
| 2026-06-10 | Schreiner James Alan | EVP & COO | Sell | 781 | $317.42 | $248K | 23K |
| 2026-06-05 | McCarthy Michelle M | SVP & Chief Accounting Officer | Sell | 2K | $315.23 | $767K | 2 |
| 2026-06-01 | Mora Elizabeth | Director | Sell | 300 | $318.02 | $95K | 19K |
| 2026-06-01 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | Sell | 6K | $314.43 | $1.9M | 10K |
| 2026-05-27 | Donahue Joseph B | Director | Sell | 2K | $327.95 | $689K | 10K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 3K | $338.58 | $948K | 20K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 213 | $337.05 | $72K | 23K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 2K | $336.54 | $547K | 23K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 2K | $335.46 | $608K | 25K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 5K | $332.04 | $1.6M | 26K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 8K | $331.45 | $2.7M | 31K |
| 2026-05-27 | COLELLA GERALD G | Director | Sell | 464 | $330.38 | $153K | 40K |
| 2026-05-26 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | Sell | 3K | $330.50 | $826K | 16K |
| 2026-05-22 | Mayampurath Ramakumar | EVP & CFO | Sell | 9K | $315.48 | $2.8M | 1 |
| 2026-05-22 | Lee John Tseng-Chung | President & CEO | Sell | 10K | $315.48 | $3.2M | 145K |
| 2026-05-18 | CANNONE PETER III | Director | Sell | 1K | $303.40 | $410K | 8K |
| 2026-05-14 | Moloney Jacqueline F | Director | Sell | 1K | $312.20 | $312K | 9K |
| 2026-05-13 | Moloney Jacqueline F | Director | Sell | 1K | $318.99 | $447K | 10K |
| 2026-05-11 | COLELLA GERALD G | Director | Grant | 782 | price not stated in the filing | not stated | 9K |
| 2026-05-11 | Batra Raj | Director | Grant | 782 | price not stated in the filing | not stated | 16K |
| 2026-05-11 | CANNONE PETER III | Director | Grant | 782 | price not stated in the filing | not stated | 9K |
| 2026-05-11 | Donahue Joseph B | Director | Grant | 782 | price not stated in the filing | not stated | 12K |
| 2026-05-11 | Mora Elizabeth | Director | Grant | 782 | price not stated in the filing | not stated | 19K |
| 2026-05-11 | JABRE WISSAM G | Director | Grant | 782 | price not stated in the filing | not stated | 5K |
| 2026-05-11 | Moloney Jacqueline F | Director | Grant | 782 | price not stated in the filing | not stated | 11K |
| 2026-05-11 | Taranto Eric Robert | EVP & GM, VSD | Sell | 3K | $319.93 | $911K | 13K |
| 2026-05-11 | Taranto Eric Robert | EVP & GM, VSD | Sell | 3K | $319.93 | $911K | 13K |
| 2026-05-11 | Burke Kathleen Flaherty | EVP, GC & Secretary | Sell | 4K | $319.94 | $1.4M | 49K |
| 2026-04-17 | Williams John Edward | EVP & GM, PSD | Tax withholding | 826 | $269.89 | $223K | 5K |
| 2026-04-17 | Williams John Edward | EVP & GM, PSD | Option exercise | 2K | price not stated in the filing | not stated | 5K |
| 2026-04-15 | McCarthy Michelle M | SVP & Chief Accounting Officer | Option exercise | 968 | price not stated in the filing | not stated | 968 |
| 2026-04-15 | McCarthy Michelle M | SVP & Chief Accounting Officer | Option exercise | 1K | price not stated in the filing | not stated | 2K |
| 2026-04-15 | McCarthy Michelle M | SVP & Chief Accounting Officer | Option exercise | 2K | price not stated in the filing | not stated | 4K |
| 2026-04-15 | McCarthy Michelle M | SVP & Chief Accounting Officer | Tax withholding | 1K | $274.15 | $377K | 2K |
| 2026-03-12 | Moloney Jacqueline F | Director | Sell | 340 | $213.77 | $73K | 10K |
| 2026-03-12 | Moloney Jacqueline F | Director | Sell | 340 | $213.77 | $73K | 10K |
| 2026-03-06 | Taranto Eric Robert | EVP & GM, VSD | Sell | 5K | $220.52 | $1.0M | 15K |
| 2026-03-06 | Taranto Eric Robert | EVP & GM, VSD | Sell | 5K | $220.52 | $1.0M | 15K |
| 2026-03-02 | Mora Elizabeth | Director | Sell | 300 | $239.44 | $72K | 19K |
| 2026-02-24 | COLELLA GERALD G | Director | Sell | 10K | $253.97 | $2.5M | 40K |
| 2026-02-24 | Schreiner James Alan | EVP & COO | Sell | 4K | $255.00 | $1.0M | 23K |
| 2026-02-20 | Williams John Edward | EVP & GM, PSD | Sell | 2K | $256.41 | $524K | 4K |
| 2026-02-20 | Taranto Eric Robert | EVP & GM, VSD | Sell | 1K | $247.55 | $360K | 20K |
| 2026-02-20 | McCarthy Michelle M | VP & Chief Accounting Officer | Sell | 816 | $250.35 | $204K | 0 |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON35 Form 144 notices on file for MKSI worth $37.3M at the prices reported; 3 in the last 90 days worth $3.2M. Latest: Mora Elizabeth filed on 2026-09-01 to sell 300 shares ($75K) from 2026-09-01.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-09-01 | Mora ElizabethDirector | 300 | $75K | 0.000% | 2026-09-01 | Fidelity Brokerage Services LLC |
| 2026-08-14 | Lee John Tseng-ChungOfficer, Director | 10K | $3.0M | 0.015% | 2026-08-14 | Fidelity Brokerage Services LLC |
| 2026-08-03 | Williams John EdwardOfficer | 457 | $132K | 0.001% | 2026-08-03 | Fidelity Brokerage Services LLC |
| 2026-06-12 | Schreiner James AlanOfficer | 4K | $1.2M | 0.005% | 2026-06-12 | Fidelity Brokerage Services LLC |
| 2026-06-10 | Schreiner James AlanOfficer | 781 | $248K | 0.001% | 2026-06-10 | Fidelity Brokerage Services LLC |
| 2026-06-05 | McCarthy Michelle MOfficer | 2K | $767K | 0.004% | 2026-06-05 | Fidelity Brokerage Services LLC |
| 2026-06-01 | Mora ElizabethDirector | 300 | $95K | 0.000% | 2026-06-01 | Fidelity Brokerage Services LLC |
| 2026-06-01 | Henry David PhilipOfficer | 6K | $1.9M | 0.009% | 2026-06-01 | Fidelity Brokerage Services LLC |
| 2026-05-27 | Donahue Joseph BDirector | 2K | $689K | 0.003% | 2026-05-27 | Fidelity Brokerage Services LLC |
| 2026-05-26 | Henry David PhilipOfficer | 3K | $826K | 0.004% | 2026-05-26 | Fidelity Brokerage Services LLC |
| 2026-05-22 | Mayampurath RamakumarOfficer | 9K | $2.8M | 0.013% | 2026-05-22 | Fidelity Brokerage Services LLC |
| 2026-05-22 | Lee John Tseng-ChungOfficer, Director | 10K | $3.2M | 0.015% | 2026-05-22 | Fidelity Brokerage Services LLC |
| 2026-05-18 | CANNONE PETER IIIDirector | 1K | $410K | 0.002% | 2026-05-18 | Fidelity Brokerage Services LLC |
| 2026-05-14 | Moloney Jacqueline FDirector | 1K | $312K | 0.001% | 2026-05-14 | Fidelity Brokerage Services LLC |
| 2026-05-13 | Moloney Jacqueline FDirector | 1K | $447K | 0.002% | 2026-05-13 | Fidelity Brokerage Services LLC |
| 2026-05-11 | Taranto Eric RobertOfficer | 3K | $911K | 0.004% | 2026-05-11 | Fidelity Brokerage Services LLC |
| 2026-05-11 | Burke Kathleen FlahertyOfficer | 4K | $1.4M | 0.006% | 2026-05-11 | Fidelity Brokerage Services LLC |
| 2026-03-12 | Moloney Jacqueline FDirector | 341 | $73K | 0.001% | 2026-03-12 | Fidelity Brokerage Services LLC |
| 2026-03-06 | Taranto Eric RobertOfficer | 5K | $1.0M | 0.007% | 2026-03-06 | Fidelity Brokerage Services LLC |
| 2026-03-02 | Mora ElizabethDirector | 300 | $72K | 0.000% | 2026-03-02 | Fidelity Brokerage Services LLC |
| 2026-02-24 | Schreiner James AlanOfficer | 4K | $1.0M | 0.006% | 2026-02-24 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Williams John EdwardOfficer | 2K | $524K | 0.003% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Taranto Eric RobertOfficer | 1K | $360K | 0.002% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | McCarthy Michelle MOfficer | 1K | $367K | 0.002% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Moloney Jacqueline FDirector | 829 | $205K | 0.001% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Lee John Tseng-ChungOfficer, Director | 30K | $7.4M | 0.045% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Henry David PhilipOfficer | 2K | $523K | 0.003% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Gerald Colella 2019 Trust u/a dtd 5/4/2019Director | 20K | $5.1M | 0.030% | 2026-02-20 | Merrill |
| 2026-02-20 | CANNONE PETER IIIDirector | 1K | $323K | 0.002% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2026-02-20 | Burke Kathleen FlahertyOfficer | 4K | $1.1M | 0.006% | 2026-02-20 | Fidelity Brokerage Services LLC |
| 2025-12-02 | Mora ElizabethDirector | 300 | $48K | 0.000% | 2025-12-02 | Fidelity Brokerage Services LLC |
| 2025-10-22 | Schreiner James AlanOfficer | 711 | $99K | 0.001% | 2025-10-22 | Fidelity Brokerage Services LLC |
| 2025-10-01 | Moloney Jacqueline FDirector | 300 | $37K | 0.000% | 2025-10-01 | Fidelity Brokerage Services LLC |
| 2025-09-18 | Schreiner James AlanOfficer | 838 | $104K | 0.001% | 2025-09-18 | Fidelity Brokerage Services LLC |
| 2025-09-18 | Henry David PhilipOfficer | 5K | $650K | 0.007% | 2025-09-18 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON4 holders report 5% or more of MKSI in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 8.8% of the class (5,887,663 shares), filed 2025-10-17 for an event on 2025-09-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-09-03 | 13G/Ano. 1 | JPMORGAN CHASE & CO.parent holding company | 2.0M | 2.9% | 2026-08-31 |
| 2026-07-24 | 13G/Ano. 2 | Victory Capital Management, Inc.investment adviser | 605K | 0.9% | 2026-06-30 |
| 2026-05-06 | 13G/Ano. 1 | FMR LLCparent holding company | 2.2M | 3.3% | 2026-03-31 |
| 2026-05-06 | 13G/Ano. 1 | Abigail P. Johnsonindividual | 2.2M | 3.3% | 2026-03-31 |
| 2026-04-30 | 13G | Vanguard Capital Managementinvestment adviser | 3.5M | 5.2% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Portfolio Managementinvestment adviser | 3.7M | 5.5% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 16 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-02-17 | 13G/Ano. 5 | T. Rowe Price Associates, Inc.investment adviser | 2.8M | 4.1% | 2025-12-31 |
| 2026-02-12 | 13G | Invesco Ltd.parent holding company, investment adviser | 4.4M | 6.5% | 2025-12-31 |
| 2025-10-17 | 13G/Ano. 17 | BlackRock, Inc.parent holding company | 5.9M | 8.8% | 2025-09-30 |
13F holders
Tracked managers holding MKSI at their latest 13F. JSON8 of the 30 tracked managers held MKSI at their latest 13F, $1.86B in total at quarter-end prices. Point72 Asset Management is the largest at $888.2M (1.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 6 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Point72 Asset Management | 2026-06-30 | 2.0M | $888.2M | 0.98% | +387K |
| Citadel Advisors | 2026-06-30 | 698K | $310.3M | 0.04% | -249K |
| Millennium Management | 2026-06-30 | 645K | $286.9M | 0.10% | -249K |
| AQR Capital Management | 2026-06-30 | 638K | $280.2M | 0.10% | +22K |
| Two Sigma Investments | 2026-06-30 | 143K | $63.8M | 0.05% | -135K |
| Renaissance Technologies | 2026-06-30 | 40K | $18.0M | 0.02% | -63K |
| Bridgewater Associates | 2026-06-30 | 27K | $12.1M | 0.05% | -11K |
| D. E. Shaw & Co. | 2026-06-30 | 4K | $1.9M | 0.00% | -116K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-06-30) MKS reported revenue of $1.25B, up 28.3% from the same quarter a year earlier, and net income of $175.0M (2.41 diluted EPS). In FY 2025 it generated $645.0M of operating cash flow and spent $45.0M on buybacks and $59.0M on dividends. As of 2026-06-30, cash was $454.0M against $2.54B of debt.
- Cash
- $454.0M
- Debt
- $2.54B
- Equity
- $2.99B
- Total assets
- $8.94B
- Shares outstanding
- 67,617,558
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-06-30 | $1.25B | $175.0M | 14.0% | 2.41 |
| Q1 FY 2026 | 2026-03-31 | $1.08B | $84.0M | 7.8% | 1.18 |
| Q4 FY 2025derived | 2025-12-31 | $1.03B | $107.0M | 10.3% | n/a |
| Q3 FY 2025 | 2025-09-30 | $988.0M | $74.0M | 7.5% | 1.10 |
| Q2 FY 2025 | 2025-06-30 | $973.0M | $62.0M | 6.4% | 0.92 |
| Q1 FY 2025 | 2025-03-31 | $936.0M | $52.0M | 5.6% | 0.77 |
| Q4 FY 2024derived | 2024-12-31 | $935.0M | $90.0M | 9.6% | n/a |
| Q3 FY 2024 | 2024-09-30 | $896.0M | $62.0M | 6.9% | 0.92 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $3.93B | $295.0M | $645.0M | $148.0M | $45.0M | $59.0M |
| FY 2024 | 2024-12-31 | $3.59B | $190.0M | $528.0M | $118.0M | $0 | $59.0M |
| FY 2023 | 2023-12-31 | $3.62B | -$1.84B | $319.0M | $87.0M | $0 | $59.0M |
| FY 2022 | 2022-12-31 | $3.55B | $333.0M | $529.0M | $164.0M | n/a | $52.0M |
| FY 2021 | 2021-12-31 | $2.95B | $551.0M | $640.0M | $87.0M | n/a | $47.0M |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-30; shares outstanding as of 2026-07-28 from the cover page.
What this page is
MKS in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows MKS (MKSI), SEC CIK 1049502, listed on Nasdaq, classified by the SEC as industrial instruments for measurement, display, and control. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-09.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-08-26.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-09-01.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-09-03.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-05.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-09-01.JSON and CSV
- Company record
- EDGAR filing index for CIK 1049502Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
Other companies the SEC classifies as industrial instruments for measurement, display, and control
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Frequently Asked Questions
How much of MKSI is sold short?
What is MKSI's daily short volume?
Does MKSI have fails to deliver?
Are MKSI insiders buying or selling?
Have MKSI insiders filed to sell?
Who owns 5% or more of MKSI?
What did MKSI report last quarter?
Which tracked 13F managers own MKSI?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.