TAIWAN SEMIC-ADR (TSM) Institutional Ownership & Top Holders
The most recent SEC Form 13F filings (Q1 2026) show 79 hedge funds and institutional investors holding a combined 52.0M shares of TAIWAN SEMIC-ADR (TSM), valued at $17.6B. The median portfolio weight is 5.2%.
Institutional ownership changes in TSM reflect net selling, as the combined position decreased by 9.7M shares (15.8%) from the previous quarter.
Among 13F filers, the funds with the highest portfolio allocation to TSM are KEYWISE CAPITAL MANAGEMENT (36.0% of its 13F portfolio), Lansdowne Partners (24.2%), and Monolith (19.4%). In Q1 2026, KEYWISE CAPITAL MANAGEMENT made the largest position increase (+35.8%), while Tiger Pacific Capital made the largest reduction (-7.5%).
Top 10 Institutional Holders in TAIWAN SEMIC-ADR (TSM), Ranked by Portfolio Weight
Based on the latest SEC Form 13F filings (Q1 2026).
| # | Fund | Shares | Market Value | Portfolio Weight |
|---|---|---|---|---|
| 1 | KEYWISE CAPITAL MANAGEMENT | 631,430 | $213.4M | 36.0% |
| 2 | Lansdowne Partners | 1,335,686 | $451.4M | 24.2% |
| 3 | Monolith | 147,015 | $49.7M | 19.4% |
| 4 | Stockbridge Partners | 2,151,675 | $727.2M | 17.6% |
| 5 | JOHO CAPITAL | 190,100 | $64.2M | 17.2% |
| 6 | BlueSpruce | 321,496 | $108.6M | 17.2% |
| 7 | LIGHT STREET CAPITAL MANAGEMENT | 227,585 | $76.9M | 15.5% |
| 8 | Carrhae Capital | 558,880 | $188.9M | 13.3% |
| 9 | Voyager Global Management | 1,150,000 | $388.6M | 13.2% |
| 10 | Newbrook Capital Advisors | 204,114 | $69.0M | 12.8% |
- 79Institutional investors
- 52,006,576Shares held (disclosed)
- $17.6B13F market value
- 5.2%Median portfolio weight
Ownership History
Quarter-by-quarter share count, market value, and portfolio conviction weight (up to 5 of the heaviest weight-by-portfolio funds) of TSM. Sourced from 13F filings; reflects long equity positions only.
Quarter-over-Quarter ActivityQ1 2026
The biggest weight-increase and weight-decrease changes among funds that hold TSM. Deltas compare the selected filing to the previous reporting quarter.
Top buyers
- KEYWISE CAPITAL MANAGEMENT+35.8% · +624,570 shares
- FIFTHDELTA+10.2% · +217,731 shares
- Harvard Management Company+8.3% · +380,000 shares
Top sellers
- Tiger Pacific Capital-7.5% · -92,200 shares
- Optimus Prime Fund Management-5.9% · -240,000 shares
- Soros Capital Management-5.9% · -78,112 shares
Options Activity
- Total calls1,350,800 (+1,350,800)
- Total puts4,972,300 (+3,594,600)
Ownership Statistics
- Funds holding
- 79
- Median weight
- 5.2%
- Largest holder
- KEYWISE CAPITAL MANAGEMENT · 36.0%
- Smallest holder
- BIGLARI CAPITAL · 0.0%
- Shares held
- 52,006,576 (-9,741,123)
All Institutional HoldersSortable · searchable
All institutional investors (Max 50) holding TSM in the selected quarter. Click a fund name to drill into its full 13F portfolio.
| 1 | KEYWISE CAPITAL MANAGEMENT | 631,430 | $213.4M | 36.0% |
| 2 | Lansdowne Partners | 1,335,686 | $451.4M | 24.2% |
| 3 | Monolith | 147,015 | $49.7M | 19.4% |
| 4 | Stockbridge Partners | 2,151,675 | $727.2M | 17.6% |
| 5 | JOHO CAPITAL | 190,100 | $64.2M | 17.2% |
| 6 | BlueSpruce | 321,496 | $108.6M | 17.2% |
| 7 | LIGHT STREET CAPITAL MANAGEMENT | 227,585 | $76.9M | 15.5% |
| 8 | Carrhae Capital | 558,880 | $188.9M | 13.3% |
| 9 | Voyager Global Management | 1,150,000 | $388.6M | 13.2% |
| 10 | Newbrook Capital Advisors | 204,114 | $69.0M | 12.8% |
| 11 | Harvard Management Company | 686,796 | $232.1M | 12.8% |
| 12 | SurgoCap | 1,108,073 | $374.5M | 12.5% |
| 13 | North of South Capital | 407,377 | $137.7M | 12.4% |
| 14 | Bornite Capital Management | 206,600 | $69.8M | 11.7% |
| 15 | Coatue Management | 9,283,547 | $3.1B | 10.8% |
| 16 | FIFTHDELTA | 217,731 | $73.6M | 10.2% |
| 17 | Dorsal Capital Management | 725,000 | $245.0M | 9.7% |
| 18 | Strategy Capital | 341,371 | $115.4M | 9.4% |
| 19 | Wedgewood Partners | 129,353 | $43.7M | 9.0% |
| 20 | Hiddenite Capital Partners | 44,200 | $14.9M | 8.7% |
| 21 | Horiko Capital Management | 113,056 | $37.6M | 8.7% |
| 22 | Tiger Global | 5,565,074 | $1.9B | 8.2% |
| 23 | Altimeter | 1,365,675 | $461.5M | 8.1% |
| 24 | University of Illinois Foundation | 116,018 | $39.3M | 8.1% |
| 25 | Windacre Partnership | 2,221,100 | $750.6M | 8.0% |
| 26 | Appaloosa | 1,327,500 | $448.6M | 7.6% |
| 27 | TOMS Capital Investment Management | 328,000 | $110.8M | 7.3% |
| 28 | XN LP | 571,078 | $193.0M | 7.1% |
| 29 | 11 Capital Partners | 64,200 | $21.7M | 7.0% |
| 30 | Locust Wood | 747,204 | $252.5M | 6.9% |
| 31 | Blue Grotto Capital | 175,113 | $59.2M | 6.8% |
| 32 | Ruane, Cunniff & Goldfarb | 1,208,419 | $408.4M | 6.8% |
| 33 | Avala Global | 416,360 | $140.7M | 6.8% |
| 34 | Two Creeks | 181,939 | $61.5M | 6.5% |
| 35 | Night Owl Capital Management | 160,601 | $54.3M | 6.3% |
| 36 | Oriental Harbor Investment Master Fund | 209,719 | $70.9M | 6.3% |
| 37 | RDST Capital | 177,619 | $60.0M | 5.8% |
| 38 | Duquesne Family Office | 495,280 | $167.4M | 5.7% |
| 39 | Cantillon Capital Management | 2,493,551 | $842.7M | 5.6% |
| 40 | FengHe Fund Management | 110,850 | $37.5M | 5.2% |
| 41 | Analog Century Management | 302,885 | $102.4M | 4.9% |
| 42 | Maverick Capital | 1,237,358 | $418.2M | 4.9% |
| 43 | Soroban Capital | 1,931,530 | $652.8M | 4.7% |
| 44 | Third Point | 275,000 | $92.9M | 4.5% |
| 45 | Manchester Global Management | 94,275 | $31.9M | 4.3% |
| 46 | Senator | 262,500 | $88.7M | 4.1% |
| 47 | Melqart | 116,470 | $39.4M | 3.9% |
| 48 | BWCP | 73,218 | $24.7M | 3.8% |
| 49 | Soma Equity Partners | 151,264 | $51.1M | 3.8% |
| 50 | Lone Pine | 1,389,530 | $469.6M | 3.7% |
Institutional Investor Count Over Time
Number of institutional investors disclosing a long position in TAIWAN SEMIC-ADR (TSM) each reporting quarter. Sourced from SEC Form 13F-HR filings.
Methodology & FAQ
Methodology: How We Track TSM Institutional Holdings
Our data is systematically aggregated directly from quarterly Form 13F-HR disclosures submitted to the U.S. Securities and Exchange Commission (SEC).
- Who Must File (Reporting Threshold): This dataset includes filings from U.S. institutional investment managers, hedge funds, mutual funds, university endowments, and family offices managing at least $100 million in Section 13(f) securities (including equities, options, convertibles, ETFs, and warrants).
- What is Included (Data Scope): We capture long positions in Section 13(f) securities for TAIWAN SEMIC-ADR (TSM). By SEC regulation, 13F filings do not require the disclosure of short positions, non-U.S. holdings, or OTC derivatives. Listed options are excluded from portfolio weight calculations to ensure comparability across filers.
- Portfolio Weight Explained (Metric Definition): “Portfolio Weight” shows how much of a fund's total reported 13F portfolio value (excluding listed options) is allocated to TSM on the specific reporting date.
- How to Use This Data (Interpretation): Quarter-over-quarter changes in shares and portfolio weight reflect a combination of active trading and market price movements. These are descriptive metrics of fund allocation, not explicit buy or sell signals.
How do you measure hedge fund conviction and institutional concentration in TSM?
We evaluate fund conviction by looking at portfolio weight rather than just absolute share count. By tracking how the largest holders —such as KEYWISE CAPITAL MANAGEMENT , Lansdowne Partners , and Monolith as of Q1 2026— change their position sizing quarter-over-quarter, we help investors distinguish between deliberate position sizing changes and passive mark-to-market drift.
Does the TSM ownership data include short interest or options?
SEC Form 13F mandates the disclosure of long positions in Section 13(f) securities, which includes equities and listed options (put and call contracts), but excludes short interest, swaps, and OTC derivatives by regulatory design. On this platform, listed options are excluded from portfolio weight calculations to ensure comparability across filers.
Are family offices and university endowments included in this TSM data?
Yes. In addition to traditional hedge funds and large asset managers, any institutional entity exercising investment discretion over at least $100 million in Section 13(f) securities must file a Form 13F. This explicitly includes single-family offices and university endowments. If a qualifying family office or endowment holds TSM stock, their allocation is systematically aggregated alongside traditional fund data.
When is the institutional ownership data updated, and is there a reporting lag?
Institutional investment managers are required to file their Form 13F within 45 days after the end of a calendar quarter (the standard “T+45” window). Our platform re-ingests new filings from the SEC EDGAR database on a nightly cycle, typically within 24–48 hours of publication, providing a point-in-time snapshot of reported consensus positioning for TSM as of each filing date.