Why Tango Therapeutics Shares Are Falling Today

Tango Therapeutics (TNGX) is down 9.0% today. Here is some analysis on what might have caused this price movement.

Analysis: The catalyst is not completely clear, because there does not appear to be a new company-specific headline released today. This could be because investors are repositioning ahead of the company’s next clinical data event while sentiment remains sensitive to earlier dilution and recent insider-sale disclosures.

Details:

Tango’s investor relations page does not show a fresh October operating update, with the most recent listed items centered on early-September conference participation and earlier quarterly results.

In its second-quarter 2026 update, the company said it plans to present Phase 1/2 data for vopimetostat plus RAS(ON) inhibitors at the ESMO Congress scheduled for October 23-27, 2026, leaving the stock between major catalysts for now.

Recent SEC filings include Form 4 disclosures in late September and early October, as well as a September Form 144 tied to a proposed sale of shares, which can pressure sentiment even when sales are preplanned.

Tango also completed a large upsized public offering in June 2026, and that earlier financing may still be contributing to dilution-related overhang in the shares.

Sources:

Tango Therapeutics, SEC, Nasdaq

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$TNGX Insider Trading Activity

$TNGX insiders have traded $TNGX stock on the open market 15 times in the past 6 months. Of those trades, 0 have been purchases and 15 have been sales.

Here’s a breakdown of recent trading of $TNGX stock by insiders over the last 6 months:

ADAM CRYSTAL (President, R&D) has made 0 purchases and 12 sales selling 200,460 shares for an estimated $4,951,299.
JESSICA NEWCOMB (Principal Accounting Officer) has made 0 purchases and 3 sales selling 8,200 shares for an estimated $198,612.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$TNGX Hedge Fund Activity

We have seen 159 institutional investors add shares of $TNGX stock to their portfolio, and 79 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

ADAGE CAPITAL PARTNERS GP, L.L.C. removed 7,209,485 shares (-56.3%) from their portfolio in Q2 2026, for an estimated $225,368,501
NEXTECH INVEST LTD. removed 5,533,980 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $172,992,214
PRICE T ROWE ASSOCIATES INC /MD/ added 5,459,427 shares (+613.8%) to their portfolio in Q2 2026, for an estimated $170,661,688
GOLDMAN SACHS GROUP INC added 4,904,228 shares (+96.6%) to their portfolio in Q2 2026, for an estimated $153,306,167
WOODLINE PARTNERS LP removed 3,999,446 shares (-50.0%) from their portfolio in Q2 2026, for an estimated $125,022,681
BLACKROCK, INC. added 3,690,399 shares (+42.2%) to their portfolio in Q2 2026, for an estimated $115,361,872
SEVEN FLEET CAPITAL MANAGEMENT LP added 2,726,132 shares (+543.0%) to their portfolio in Q2 2026, for an estimated $85,218,886

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$TNGX Analyst Ratings

Wall Street analysts have issued reports on $TNGX in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Leerink Partners issued a "Outperform" rating on 06/08/2026

To track analyst ratings and price targets for $TNGX, check out Quiver Quantitative's $TNGX forecast page.

$TNGX Price Targets

Multiple analysts have issued price targets for $TNGX recently. We have seen 8 analysts offer price targets for $TNGX in the last 6 months, with a median target of $43.0.

Here are some recent targets:

John Newman from Canaccord Genuity set a target price of $46.0 on 06/29/2026
Maury Raycroft from Jefferies set a target price of $60.0 on 06/26/2026
Robert Burns from HC Wainwright & Co. set a target price of $66.0 on 06/09/2026
Andrew Berens from Leerink Partners set a target price of $69.0 on 06/08/2026
Kelsey Goodwin from Piper Sandler set a target price of $24.0 on 05/15/2026
Joseph Catanzaro from Mizuho set a target price of $30.0 on 05/15/2026
Robert Driscoll from Wedbush set a target price of $33.0 on 05/14/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.