Samsung SDI (KRX: 006400)
Who is buying Samsung SDI?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net bought ₩3.9bn ($3M) of Samsung SDI, the 71st largest foreign net purchase among 832 KOSPI stocks. Institutions net sold ₩79.5bn ($60M) and retail investors net bought ₩69.4bn ($52M) over the same window. Foreigners were net buyers on 8 of the 20 sessions.
Foreign investors hold 25.67% of Samsung SDI's listed shares (KRX ownership data as of Oct 13, 2026), up from 25.47% twenty sessions earlier and 24.47% a year ago.
The stock closed at ₩560,000 on Oct 13, 2026: -2.44% over 20 sessions, +107.79% year-to-date, +166.03% over one year. The 52-week range is ₩209,500 – ₩723,000.
At ₩560,000 the stock trades at 33.76× 12-month-forward consensus earnings (17 analysts), 30.61× on FY2027 estimates.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-13 | ₩560,000 | ₩-100.0bn | +₩21.3bn | +₩71.1bn |
| 2026-10-12 | ₩561,000 | ₩-78.4bn | +₩13.8bn | +₩62.1bn |
| 2026-10-08 | ₩569,000 | ₩-15.7bn | +₩52.9bn | ₩-40.6bn |
| 2026-10-07 | ₩562,000 | ₩-12.6bn | ₩-0.8bn | +₩10.4bn |
| 2026-10-06 | ₩575,000 | +₩181.6bn | +₩92.0bn | ₩-276.3bn |
| 2026-10-02 | ₩529,000 | +₩22.1bn | +₩22.3bn | ₩-44.4bn |
| 2026-10-01 | ₩517,000 | ₩-6.5bn | +₩3.9bn | +₩2.3bn |
| 2026-09-30 | ₩515,000 | ₩-0.6bn | +₩1.0bn | ₩-0.2bn |
| 2026-09-29 | ₩511,000 | ₩-29.5bn | ₩-36.3bn | +₩69.7bn |
| 2026-09-28 | ₩533,000 | +₩60.7bn | +₩4.2bn | ₩-65.7bn |
| 2026-09-23 | ₩521,000 | +₩7.2bn | ₩-52.9bn | +₩48.2bn |
| 2026-09-22 | ₩529,000 | ₩-8.0bn | ₩-23.6bn | +₩32.0bn |
| 2026-09-21 | ₩533,000 | ₩-38.7bn | ₩-24.5bn | +₩63.0bn |
| 2026-09-18 | ₩541,000 | ₩-31.0bn | +₩9.6bn | +₩20.8bn |
| 2026-09-17 | ₩539,000 | ₩-22.0bn | ₩-5.6bn | +₩23.1bn |
| 2026-09-16 | ₩544,000 | ₩-36.3bn | +₩23.4bn | +₩21.7bn |
| 2026-09-15 | ₩547,000 | +₩49.1bn | ₩-5.9bn | ₩-43.2bn |
| 2026-09-14 | ₩532,000 | +₩18.9bn | ₩-52.0bn | +₩33.9bn |
| 2026-09-11 | ₩545,000 | +₩6.4bn | ₩-45.4bn | +₩43.1bn |
| 2026-09-10 | ₩561,000 | +₩37.1bn | ₩-76.9bn | +₩38.5bn |
| 2026-09-09 | ₩574,000 | +₩50.6bn | +₩86.4bn | ₩-150.3bn |
| 2026-09-08 | ₩530,000 | ₩-14.7bn | ₩-39.0bn | +₩53.7bn |
| 2026-09-07 | ₩541,000 | ₩-55.6bn | ₩-48.3bn | +₩105.5bn |
| 2026-09-04 | ₩548,000 | ₩-36.8bn | +₩41.8bn | ₩-11.1bn |
| 2026-09-03 | ₩539,000 | ₩-5.4bn | ₩-5.6bn | +₩9.1bn |
| 2026-09-02 | ₩538,000 | ₩-7.1bn | ₩-32.8bn | +₩40.2bn |
| 2026-09-01 | ₩569,000 | ₩-79.2bn | +₩42.2bn | +₩36.7bn |
| 2026-08-31 | ₩577,000 | ₩-93.1bn | +₩32.4bn | +₩56.2bn |
| 2026-08-28 | ₩571,000 | ₩-80.3bn | +₩88.0bn | ₩-10.9bn |
| 2026-08-27 | ₩569,000 | +₩145.8bn | +₩174.1bn | ₩-313.2bn |
| 2026-08-26 | ₩516,000 | ₩-33.3bn | +₩12.7bn | +₩16.9bn |
| 2026-08-25 | ₩519,000 | ₩-41.1bn | +₩41.9bn | ₩-3.4bn |
| 2026-08-24 | ₩515,000 | +₩2.8bn | +₩102.0bn | ₩-104.7bn |
| 2026-08-21 | ₩478,000 | ₩-22.1bn | ₩-11.2bn | +₩32.3bn |
| 2026-08-20 | ₩499,500 | +₩11.2bn | +₩18.2bn | ₩-30.0bn |
| 2026-08-19 | ₩487,000 | +₩9.8bn | ₩-6.8bn | ₩-2.6bn |
| 2026-08-18 | ₩488,000 | ₩-54.7bn | ₩-7.4bn | +₩63.0bn |
| 2026-08-14 | ₩516,000 | +₩22.2bn | +₩37.8bn | ₩-60.6bn |
| 2026-08-13 | ₩487,000 | +₩7.1bn | ₩-7.7bn | +₩1.7bn |
| 2026-08-12 | ₩485,500 | +₩36.1bn | +₩40.7bn | ₩-76.3bn |
| 2026-08-11 | ₩459,500 | ₩-48.7bn | +₩3.6bn | +₩45.0bn |
| 2026-08-10 | ₩481,500 | ₩-14.3bn | +₩42.6bn | ₩-29.1bn |
| 2026-08-07 | ₩459,000 | +₩2.1bn | +₩63.9bn | ₩-66.5bn |
| 2026-08-06 | ₩427,000 | ₩-8.9bn | ₩-0.8bn | +₩9.8bn |
| 2026-08-05 | ₩429,000 | ₩-6.7bn | +₩1.8bn | +₩5.1bn |
| 2026-08-04 | ₩419,500 | +₩4.3bn | +₩19.1bn | ₩-24.2bn |
| 2026-08-03 | ₩389,500 | +₩1.5bn | ₩-21.8bn | +₩19.5bn |
| 2026-07-31 | ₩397,000 | +₩36.1bn | ₩-14.2bn | ₩-20.7bn |
| 2026-07-30 | ₩358,500 | ₩-19.7bn | ₩-16.0bn | +₩35.8bn |
| 2026-07-29 | ₩364,000 | +₩24.9bn | +₩2.9bn | ₩-25.6bn |
| 2026-07-28 | ₩382,000 | ₩-18.3bn | ₩-44.5bn | +₩61.6bn |
| 2026-07-27 | ₩431,000 | ₩-19.6bn | ₩-6.8bn | +₩26.5bn |
| 2026-07-24 | ₩428,000 | ₩-26.2bn | ₩-23.0bn | +₩48.7bn |
| 2026-07-23 | ₩467,000 | +₩17.5bn | +₩26.2bn | ₩-45.4bn |
| 2026-07-22 | ₩419,000 | +₩25.9bn | ₩-6.0bn | ₩-18.7bn |
| 2026-07-21 | ₩416,500 | +₩22.9bn | ₩-10.7bn | ₩-11.8bn |
| 2026-07-20 | ₩401,000 | +₩17.8bn | ₩-29.8bn | +₩12.3bn |
| 2026-07-16 | ₩434,500 | ₩-28.1bn | ₩-31.9bn | +₩58.7bn |
| 2026-07-15 | ₩454,000 | ₩-1.5bn | +₩52.6bn | ₩-52.1bn |
| 2026-07-14 | ₩427,500 | ₩-58.5bn | +₩8.4bn | +₩50.9bn |
| 2026-07-13 | ₩440,000 | ₩-45.4bn | +₩53.0bn | ₩-7.3bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | ₩-100.0bn | $-75M | +₩21.3bn | +₩71.1bn |
| 5 days | ₩-25.0bn | $-19M | +₩179.3bn | ₩-173.3bn |
| 20 days | +₩3.9bn | +$3M | ₩-79.5bn | +₩69.4bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying Samsung SDI stock?
Over the last 5 sessions foreign investors net sold ₩25.0bn ($19M) of Samsung SDI; over 60 sessions they net sold ₩331.4bn ($249M); since Jan 1, 2026 they net bought ₩709.5bn ($532M). Over 20 sessions the stock is the 71st largest foreign net purchase among 832 KOSPI stocks.
How much of Samsung SDI do foreign investors own?
Foreign investors own 25.67% of Samsung SDI's shares as of Oct 13, 2026, versus 24.47% one year earlier. The figure is KRX's daily foreign holdings divided by listed shares, and it reflects trades settled through the previous session.
Who is on the other side — institutions or retail investors?
Over 20 sessions institutions net sold ₩79.5bn ($60M) and retail investors net bought ₩69.4bn ($52M) of Samsung SDI. Foreign buying is being met mainly by institutional selling.
Is Samsung SDI listed on KOSPI or KOSDAQ?
Samsung SDI (삼성SDI) trades on KOSPI under KRX code 006400 in the Batteries group, with a market capitalization of ₩45T ($33.9B). Daily net flows by investor type are published by KRX after each session and combine the KRX main board with the NXT venue.
Annual financials
| Fiscal year | Revenue | YoY | Operating profit | Net income |
|---|---|---|---|---|
| 2023 | ₩22.7T ($17.0B) | – | ₩1.6T ($1.2B) | ₩2.1T ($1.5B) |
| 2024 | ₩16.6T ($12.4B) | -26.90% | ₩363bn ($273M) | ₩576bn ($432M) |
| 2025 | ₩13.3T ($10.0B) | -20.00% | -₩1.7T (-$1.3B) | -₩585bn (-$439M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.