Stock profile

TAIWAN SEMICONDUCTOR-SP ADR (TSM)

TSM · Latest close $473.10 as of Oct 2, 2026 · 13F data as of Jun 30, 2026 (2026 Q2)
Latest close
$473.10
As of Oct 2, 2026
Tracked funds holding
24 of 83
2026 Q2 13F filings
Opened / added
1 / 6
vs previous quarter
Trimmed / exited
16
vs previous quarter

Super-investor holdings · 2026 Q2

FundPortfolio weightSharesChange vs prev. quarter
Wedgewood Partners10.40%105,499TRIMMED (-18.4%)
Appaloosa Management10.20%1,650,000ADDED (+24.3%)
Tiger Global Management9.72%4,881,008TRIMMED (-12.3%)
Ruane Cunniff LP8.71%1,172,725TRIMMED (-3.0%)
Cantillon Capital Management8.24%114,820TRIMMED (-95.4%)
Third Point4.69%460,000ADDED (+67.3%)
Viking Global Investors4.31%3,168,097TRIMMED (-29.0%)
Fundsmith4.02%1,148,449NEW
Maverick Capital3.00%711,757TRIMMED (-42.5%)
First Eagle Investment Management2.94%3,745,597TRIMMED (-4.0%)
Causeway Capital Management2.75%532,052ADDED (+4.6%)
Mairs & Power Funds2.09%476,245TRIMMED (-2.1%)
Polen Capital Management2.06%501,210ADDED (+186.9%)
Hillman Capital Management1.94%5,608TRIMMED (-29.6%)
Fairfax Financial Holdings1.69%93,700HELD
Torray Funds1.69%26,309TRIMMED (-3.0%)
Weitz Investment Management0.66%20,000HELD
Dodge & Cox Funds0.36%1,440,767ADDED (+1236.5%)
Lone Pine Capital0.30%101,242TRIMMED (-92.7%)
Jensen Investment Management0.18%15,884TRIMMED (-3.3%)
Ariel Investments0.08%17,838ADDED (+10.9%)
Giverny Capital0.06%3,655TRIMMED (-55.0%)
Davis Advisors0.01%3,980TRIMMED (-44.7%)
Pzena Investment Management0.01%4,054TRIMMED (-78.6%)

Source: SEC Form 13F filings for the quarter ended Jun 30, 2026. Change labels compare each fund’s 2026 Q2 filing with its previous filing. 13F filings cover long positions only and arrive up to 45 days after quarter-end.

Exited this quarter: H&H International Investment.

All institutions · Form 13F

Institutions holding3,576 of 8,857 filers
Long-only filers among them3,562
Change vs 2026 Q1+335 net · 2,217 entered · 1,882 exited
Shares reported, all filers762,724,969
Reported value, all filers$419.3B

Source: SEC Form 13F data sets — every filer's latest report for the quarter ended Jun 30, 2026, not just the tracked funds above; changes compare with the quarter ended Mar 31, 2026. Share counts and values are summed as reported in the filings (a small number of filers report values in thousands of dollars, so value totals are as-filed sums).

Insider trading · Form 4

31 insiders bought on the open market in the last 90 days (114 purchases, $1.5M), against 1 sales by 1 insiders ($3.8K). Latest buy: Sep 7, 2026.

CEO/CFO bought

Source: SEC Form 4 filings, as of Oct 3, 2026. Open-market transactions only.

Politician trading · U.S. House

2 House members reported buying (4 purchases vs 0 sales). Bought by Democrats. Latest buy: Aug 12, 2026.

Source: U.S. House Clerk STOCK Act periodic transaction reports, as of Oct 3, 2026. Reported amounts are ranges, and reports can arrive up to 45 days after the trade. Senate reports are not included yet.

Screens & lenses

Insiders

· Insider Cluster Buying — Last 90 days: 3 or more different insiders bought on the open market

· CEO & CFO Buying — Last 90 days: top executives (CEO/CFO) bought on the open market

· Insider Net Buying — Last 90 days: more insider buy transactions than sell transactions

Politicians

· Bought by Members — Last 6 months: bought by a U.S. House member

Chart Signals

· Monthly Uptrend — Price above its 12-month moving average

· Top Relative Strength — Top 20% of the universe by 6-month return

Key figures

· Insider Cluster Buying — Insiders buying: 31 · Buy txns: 114 · Buy value: $1.5M · Latest buy: Sep 7, 2026

· CEO & CFO Buying — Buy txns: 114 · Buy value: $1.5M · Insiders buying: 31 · Latest buy: Sep 7, 2026

· Insider Net Buying — Buy txns: 114 · Sell txns: 1 · Buy value: $1.5M · Latest buy: Sep 7, 2026

· Bought by Members — Members buying: 2 · Buy txns: 4 · Sell txns: 0 · Latest buy: Aug 12, 2026

Financial screens are computed from SEC company financial statements; red-flag models are screens, not verdicts — see Methodology.

Signal record

· Super-investor 13F BEST — appeared in 20 of the last 20 quarterly lists; latest 2026 Q2, ranked #8 of 50.

· Insider BEST — appeared in 2 of the last 20 quarterly lists; latest 2026 Q2, ranked #1 of 50.

· Politician BEST — appeared in 6 of the last 20 quarterly lists; latest 2026 Q2, ranked #24 of 50.

13F signal (2021 Q3 – 2026 Q1)EventsWin rateAvg returnSPYExcess
Heavy accumulation — 3+ tracked funds increased together1770.6%+6.6%+2.6%+4.0%
Share count tripled (3x)3100.0%+11.9%+4.7%+7.2%
Heavy exit — 3+ tracked funds sold out together10.0%-6.9%-0.5%-6.4%

Measured from SEC 13F filings: entry at the close on the first trading day after each quarter’s filing deadline, exit one quarter later on the same rule, dividend-adjusted closes. Past records do not guarantee future results — see Track Record and Methodology.

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