| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
10% Owner
12 companies
Viking Global Investors LP serves as a 10% Owner at ADPT and has filed Form 4s across 12 companies. Across recent SEC filings that breaks down to 15 buys and 49 sells. Those positions are worth an estimated $3.6B at current prices.
Historically, Viking Global Investors LP's trades have earned a middling insider score of 65/100 across 18 rated trades. Over a 12-month horizon, 64.7% of those trades were profitable, with an average 12-month return of +11.7%.
The biggest single holding is ADPT (~$1.7B) as 10% Owner. The recent filings there lean toward selling, a net 8,162,899 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 7, 2025 | INBX Inhibrx Biosciences, Inc. | - | Sell | 350,000 | $32.25 | $11,287,500.00 | -77.3% | +129.5% | +178.7% | |
| Jun 27, 2025 | BBIO Bridgebio Pharma, Inc. | - | Sell | 3,500,000 | $44.00 | $154,000,000.00 | -15.9% | +9.2% | +56.6% | |
| Jan 31, 2025 | BBIO Bridgebio Pharma, Inc. | - | Sell | 3,065,616 | $34.90 | $106,989,998.40 | -12.2% | +12.2% | +125.9% | |
| Jun 17, 2024 | APG Api Group Corp | - | Sell | 1,951,782 | $38.15 | $74,460,483.30 | -100% | -10.1% | +27.6% | |
| Jun 17, 2024 | APG Api Group Corp | - | Sell | 1,951,782 | $38.15 | $74,460,483.30 | -100% | -10.1% | +27.6% | |
| Mar 5, 2024 | APG Api Group Corp | - | Sell | 3,038,617 | $34.25 | $104,072,632.25 | -98.7% | -6.1% | -2.8% | |
| Mar 5, 2024 | APG Api Group Corp | - | Sell | 3,038,617 | $34.25 | $104,072,632.25 | -98.7% | -6.1% | -2.8% | |
| Jan 4, 2024 | FDMT 4d Molecular Therapeutics, Inc. | - | Sell | 540,000 | $19.53 | $10,546,200.00 | -11.3% | +39.3% | -70.4% | |
| Jan 2, 2024 | APG Api Group Corp | - | Sell | 6,500,000 | $31.30 | $203,450,000.00 | -99.7% | +18.3% | +9.3% | |
| Jan 2, 2024 | APG Api Group Corp | - | Sell | 6,500,000 | $31.30 | $203,450,000.00 | -99.7% | +18.3% | +9.3% |