Wallsti
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TSM

Taiwan Semiconductor Manufactur · Technology · Semiconductors
TECHSellMABuy · 9ZACKSStrong Buy R500#463 today TARGET+40% EARNINGSBeat +2%
$412.83 -3.99% today · -9.86% 1W
Oct 15 close or latest
ReadoutWhy it's moving

Falling despite an earnings beat

Assembled from Wallsti's own signals and the session's headlines and filings read by AI (Claude); it can misread, so the sources are linked.
Insiders · 1 month
+$121.5K
unplanned net · 30 buys · 0 sells · 30 insiders
Insiders · 3 months
+$1.3M
unplanned net · 96 buys · 0 sells · 30 insiders
Congress · 3 months
≈+$16K
2 buys · 0 sells · 2 members
Congress · 1 year
≈+$422K
14 buys · 3 sells · 5 members
Fund moves · 3 months
≈−$326.5M
3 buys · 2 sells · 5 investors
Held by funds · now
≈$10.4B
10 investors · largest: Coatue

Insiders

Trade dateInsiderRoleSideTypeSharesAvg priceValueFiled
Oct 7, 2026 Chih-Ho Chen Controller Buy open-market buy 31 $79.39 $2.5K Oct 8
Oct 7, 2026 Pei-Hung Chen VP Buy open-market buy 43 $79.39 $3.4K Oct 8
Oct 7, 2026 Juiping Chuang VP Buy open-market buy 46 $79.39 $3.7K Oct 8
Oct 7, 2026 Shu-Hua Fang SVP Buy open-market buy 53 $79.39 $4.2K Oct 8
Oct 7, 2026 Tzonz-Sheng Chang SVP Buy open-market buy 51 $79.39 $4K Oct 8
Oct 7, 2026 Yung-Pei Chin COO Buy open-market buy 67 $79.39 $5.3K Oct 8
Oct 7, 2026 Min Cao VP Buy open-market buy 51 $79.39 $4K Oct 8
Oct 7, 2026 Tzu-Sou Chuang VP Buy open-market buy 46 $79.39 $3.7K Oct 8
Oct 7, 2026 Jun He VP Buy open-market buy 43 $79.39 $3.4K Oct 8
Oct 7, 2026 Kuo-Chin Hsu VP Buy open-market buy 52 $79.39 $4.1K Oct 8
Oct 7, 2026 Yung-Chin Hou COO Buy open-market buy 60 $79.39 $4.8K Oct 8
Oct 7, 2026 Syun-Ming Jang VP Buy open-market buy 46 $79.39 $3.7K Oct 8
Oct 7, 2026 Jen-Chau Huang CFO Buy open-market buy 28 $79.39 $2.2K Oct 8
Oct 7, 2026 Yuan-Ko Hwang VP Buy open-market buy 39 $79.39 $3.1K Oct 8
Oct 7, 2026 Yao-Ching Ku VP Buy open-market buy 46 $79.39 $3.7K Oct 8

Officers, directors and 10% owners file SEC Form 4 within two business days. Unplanned: the insider chose to trade now, the trades worth attention; their dollars make the net above. 10b5-1 plan: scheduled in advance, kept for the record. Tax: shares withheld on vesting stock, not a market trade. Awards, option exercises and gifts are left out. Source: SEC EDGAR, collected daily for the stocks discussed on Reddit.

Congress

Trade dateMemberChamberSideAmountDisclosed
Sep 22, 2026 Gilbert Cisneros House Buy $1K–$15K Oct 12
Aug 12, 2026 Richard W. Allen House Buy $1K–$15K Sep 22
Jul 10, 2026 Cleo Fields House Buy $1K–$15K Jul 30
May 8, 2026 Richard W. Allen House Buy $1K–$15K Jun 16
Apr 9, 2026 Cleo Fields House Buy $1K–$15K Apr 20
Feb 26, 2026 Gilbert Cisneros House Buy $1K–$15K Mar 9
Feb 19, 2026 Richard W. Allen House Buy $1K–$15K Mar 11
Feb 9, 2026 Gilbert Cisneros House Buy $100K–$250K Mar 9
Feb 2, 2026 Julia Letlow House Buy $1K–$15K Mar 12
Jan 30, 2026 Gilbert Cisneros House Buy $1K–$15K Feb 13
Jan 8, 2026 Cleo Fields House Buy $1K–$15K Feb 3
Dec 24, 2025 Gilbert Cisneros House Sell $1K–$15K Jan 12
Nov 18, 2025 Gilbert Cisneros House Buy $1K–$15K Dec 15
Oct 31, 2025 Lisa McClain House Sell $1K–$15K Nov 21
Oct 30, 2025 Lisa McClain House Buy $1K–$15K Nov 21

Members of Congress report trades within 45 days of the trade date, so these are never real-time. Amounts are disclosed as ranges; the net uses each range's midpoint (≈). Source: House and Senate periodic transaction reports via CongressInvests, refreshed daily.

Funds

Who holds it
InvestorSharesValueOf its portfolioVs quarter beforeAs of
Coatue (Philippe Laffont) 8,914,995 $4.3B 8.8% -4% Q2 2026
Tiger Global (Chase Coleman) 4,881,008 $2.3B 9.7% -12% Q2 2026
Viking Global (Andreas Halvorsen) 3,168,097 $1.5B 4.3% -29% Q2 2026
Appaloosa (David Tepper) 1,650,000 $788M 10.5% +24% Q2 2026
Fundsmith (Terry Smith) 1,148,449 $548.5M 4.0% new Q2 2026
Duquesne Family Office (Stanley Druckenmiller) 589,680 $281.6M 6.5% +19% Q2 2026
Soros Fund Management (George Soros) 522,158 $249.4M 4.1% — Q2 2026
Third Point (Dan Loeb) 460,000 $219.7M 4.7% +67% Q2 2026
ARK Invest (Cathie Wood) 436,343 $187.6M ARKQ 3.8% · ARKW 2.1% · ARKX 1.9% · ARKK 1.0% — Oct 15
Bridgewater (Ray Dalio's firm) 34,525 $16.5M 0.07% -97% Q2 2026
Their moves
DateInvestorMoveSourceShares≈ ValueNow heldFiled
Aug 14, 2026 Fundsmith (Terry Smith) New stake 13F, Q2 2026 1,148,449 $548.5M 4.0% Aug 14
Aug 14, 2026 Viking Global (Andreas Halvorsen) Trimmed 13F, Q2 2026 1,297,030 $619.4M 4.3% Aug 14
Aug 14, 2026 Third Point (Dan Loeb) Added 13F, Q2 2026 185,000 $88.4M 4.7% Aug 14
Aug 14, 2026 Bridgewater (Ray Dalio's firm) Trimmed 13F, Q2 2026 1,042,554 $497.9M 0.1% Aug 14
Aug 14, 2026 Appaloosa (David Tepper) Added 13F, Q2 2026 322,500 $154M 10.5% Aug 14
May 15, 2026 Tiger Global (Chase Coleman) Added 13F, Q1 2026 1,839,600 $621.7M 8.2% May 15
May 15, 2026 Soros Fund Management (George Soros) Added 13F, Q1 2026 172,460 $58.3M 3.2% May 15
May 15, 2026 Third Point (Dan Loeb) Trimmed 13F, Q1 2026 150,000 $50.7M 4.5% May 15
May 15, 2026 Bridgewater (Ray Dalio's firm) New stake 13F, Q1 2026 1,077,079 $364M 1.6% May 15
Feb 17, 2026 Viking Global (Andreas Halvorsen) Added 13F, Q4 2025 970,530 $294.9M 4.0% Feb 17
Feb 17, 2026 Third Point (Dan Loeb) Trimmed 13F, Q4 2025 675,000 $205.1M 1.8% Feb 17
Feb 17, 2026 Duquesne Family Office (Stanley Druckenmiller) Trimmed 13F, Q4 2025 222,000 $67.5M 3.9% Feb 17
Feb 13, 2026 Soros Fund Management (George Soros) Added 13F, Q4 2025 213,766 $65M 1.9% Feb 13
Nov 14, 2025 Third Point (Dan Loeb) Trimmed 13F, Q3 2025 330,000 $92.2M 3.7% Nov 14

Well-known investors we follow (Buffett, Ackman, Icahn, Druckenmiller, Tepper, Soros and others). 13F: managers report their US stock holdings up to 45 days after each quarter; the change from the quarter before is dated by the filing, the trades happened some time in the quarter, and the value is at the quarter-end price (≈). New and closed positions, and adds or cuts of 20% or more, of positions at least 0.2% of the portfolio. ARK: Cathie Wood's ETFs publish their holdings every morning; the change beyond the fund's own inflows and outflows, dated by the session it traded. 5%+ stake: Schedule 13D (with intent to influence) or 13G (passive), filed within days. Source: SEC EDGAR, ark-funds.com, refreshed daily. Who holds it: each investor's latest 13F portfolio (positions at the quarter's end; one sold since would not show until the next filing), and ARK's ETFs as of their latest daily file. The funds we follow and their portfolios · All recent insider, congressional and fund moves