TNGX · Insider trading · 13F holders · Congress trades
Tango Therapeutics, Inc. (TNGX)
Who is buying and selling TNGX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 39
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $2.2M
- Congress trades, 12 months
- 0
TNGX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 TNGX insiders filed 4 sales worth $2.2M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
- 39 13F filers hold TNGX among their 50 largest positions, worth $3.1B combined, including Joseph Edelman and James Flynn. The biggest bets by portfolio weight are Boxer Capital Management, LLC (25.6%), Seven Fleet Capital Management LP (15.8%) and Acuta Capital Partners, LLC (8.5%). In their latest 13Fs, 5 managers opened a new position and 7 added to one.
- No member of Congress has disclosed a trade in TNGX.
- TNGX last closed at $22.53 on Oct 29, 2026.
TNGX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 TNGX insiders filed 4 sales worth $2.2M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Crystal Adam | President, R&D | Sale10b5-1 | 27,000 | $24.47 | $661K | SEC |
| Sep 24, 2026 | Newcomb Jessica | Principal Accounting Officer | Sale10b5-1 | 8,200 | $24.22 | $199K | SEC |
| Sep 3, 2026 | Crystal Adam | President, R&D | Sale10b5-1 | 27,000 | $22.37 | $604K | SEC |
| Aug 5, 2026 | Crystal Adam | President, R&D | Sale10b5-1 | 27,000 | $27.24 | $736K | SEC |
Who owns TNGX? Hedge funds and superinvestors
39 13F filers hold TNGX among their 50 largest positions, worth $3.1B combined, including Joseph Edelman and James Flynn. The biggest bets by portfolio weight are Boxer Capital Management, LLC (25.6%), Seven Fleet Capital Management LP (15.8%) and Acuta Capital Partners, LLC (8.5%). In their latest 13Fs, 5 managers opened a new position and 7 added to one.
Superinvestors holding TNGX: Joseph Edelman 1.6% · James Flynn 1.6%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Rtw Investments, LPHedge fund | 3.7% | $434.5M | 13,900,620 | +4.5% shares | Q2 2026 |
| Farallon Capital Management, L.l.c.Hedge fund | 2.3% | $383.8M | 12,277,000 | +35.0% shares | Q2 2026 |
| Boxer Capital Management, LLCHedge fund | 25.6% | $340.0M | 10,876,219 | +0.0% shares | Q2 2026 |
| TCG Crossover Management, LLCHedge fund | 6.8% | $283.9M | 9,081,201 | -13.8% shares | Q2 2026 |
| Paradigm Biocapital Advisors LPHedge fund | 3.7% | $198.7M | 6,357,523 | +58.6% shares | Q2 2026 |
| Siren, L.L.C.Investment manager | 3.9% | $193.2M | 6,179,364 | +9.2% shares | Q2 2026 |
| Deep Track Capital, LPHedge fund | 1.9% | $131.3M | 4,200,000 | +52.7% shares | Q2 2026 |
| James FlynnHedge fund | 1.6% | $131.0M | 4,190,611 | +1.1% shares | Q2 2026 |
| Woodline Partners LPHedge fund | 0.4% | $125.1M | 4,000,567 | -50.0% shares | Q2 2026 |
| Joseph EdelmanHedge fund | 1.6% | $105.6M | 3,377,000 | — | Q2 2026 |
| Seven Fleet Capital Management LPHedge fund | 15.8% | $95.7M | 3,228,144 | +543.0% shares | Q2 2026 |
| Logos Global Management LPHedge fund | 3.8% | $89.1M | 2,850,000 | -5.0% shares | Q2 2026 |
| Caligan Partners LPHedge fund | 3.8% | $78.2M | 2,500,103 | +3.8% shares | Q2 2026 |
| Commodore Capital LPHedge fund | 4.2% | $70.3M | 2,250,000 | New | Q2 2026 |
| Jefferies Financial Group Inc.Broker-dealer | 0.6% | $62.8M | 2,010,534 | — | Q2 2026 |
| Vivo Capital, LLCHedge fund | 3.9% | $43.1M | 1,379,769 | -36.0% shares | Q2 2026 |
| Dv Equities, LLCInvestment manager | 6.0% | $41.2M | 1,318,551 | — | Q2 2026 |
| Cormorant Asset Management, LPHedge fund | 2.1% | $40.6M | 1,300,000 | -8.8% shares | Q2 2026 |
| Stempoint Capital LPHedge fund | 6.6% | $38.2M | 1,223,019 | +508.7% shares | Q2 2026 |
| Integral Health Asset Management, LLCHedge fund | 1.3% | $31.3M | 1,000,000 | — | Q2 2026 |
| Soleus Capital Management, L.P.Hedge fund | 0.8% | $22.2M | 709,000 | — | Q2 2026 |
| ArrowMark Colorado Holdings LLCHedge fund | 0.9% | $22.1M | 708,385 | — | Q2 2026 |
| Bellevue Group AGInvestment manager | 0.5% | $21.7M | 694,182 | -71.1% shares | Q2 2026 |
| Nantahala Capital Management, LLCHedge fund | 1.0% | $15.7M | 500,659 | -60.0% shares | Q2 2026 |
| Rock Springs Capital Management LPHedge fund | 0.7% | $14.3M | 456,551 | — | Q2 2026 |
| Boone Capital Management LLCHedge fund | 3.3% | $14.2M | 455,605 | New | Q2 2026 |
| Acuta Capital Partners, LLCHedge fund | 8.5% | $12.2M | 390,949 | -11.5% shares | Q2 2026 |
| Mass General Brigham, IncInvestment manager | 3.1% | $11.1M | 354,192 | +0.0% shares | Q2 2026 |
| PFM Health Sciences, LPHedge fund | 0.9% | $10.2M | 326,047 | -19.7% shares | Q2 2026 |
| HighVista Strategies LLCHedge fund | 1.9% | $8.1M | 260,070 | — | Q2 2026 |
The 30 largest of 39 positions, by value. Each manager counts with its latest 13F (Q3 2026: 3, Q2 2026: 36). Screen TNGX in the grand portfolio →
TNGX stock trades by members of Congress
No member of Congress has disclosed a trade in TNGX.
Analysis mentioning TNGX
Posts from the blog that cover Tango Therapeutics, Inc., newest first.
TNGX questions and answers
Are insiders buying TNGX stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 TNGX insiders filed 4 sales worth $2.2M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own TNGX?
39 13F filers hold TNGX among their 50 largest positions, worth $3.1B combined, including Joseph Edelman and James Flynn. The biggest bets by portfolio weight are Boxer Capital Management, LLC (25.6%), Seven Fleet Capital Management LP (15.8%) and Acuta Capital Partners, LLC (8.5%). In their latest 13Fs, 5 managers opened a new position and 7 added to one.
Has Congress traded TNGX?
No member of Congress has disclosed a trade in TNGX.
Who is the largest holder of TNGX?
Among 13F filers, Rtw Investments, LP reports the largest TNGX position, $434.5M (13,900,620 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Boxer Capital Management, LLC's: 25.6% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.