1 tracked superinvestor hold ADAPTIVE BIOTECHNOLOGIES COR (ADPT), worth $643M combined, led by Andreas Halvorsen. Smart money is holding ADPT as of the latest 13F filings.
Current price
$24.28
+86.5%
1Y
Adaptive Biotechnologies Corporation, founded in 2009 and headquartered in Seattle, Washington (operating as Adaptive TCR Corporation until its name change in December 2011), is a commercial-stage entity focused on pioneering an immune medicine platform. This advanced platform is engineered for the precise diagnosis and effective treatment of a broad spectrum of illnesses. The company offers…
Market cap
$2.2B
P/E
-36.59
Div yield
0.0%
Revenue YoY
54.8%
Analyst target
$24
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
1
tracked 13F / N-PORT funds
Combined value
$643M
disclosed long exposure
Tier-1 conviction
1
concentrated holders
Net this quarter
0
0 buying · 0 selling
Smart money is holding ADPT steady this quarter — buys and sells are balanced.
ADAPTIVE BIOTECHNOLOGIES COR (ADPT) is held by 1 tracked funds worth $643M combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Andreas Halvorsen at 1.8% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
Tracked holders were largely static this quarter — no new opens, adds or trims of size — suggesting the position is being held rather than actively traded.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Held | 1.8% | $643M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
4 insiders filed SEC Form 144 for $19M of proposed sales in the last 90 days. A 144 is filed before the trade — see who else is selling.
| Insider | Role | Shares | Value | Filed |
|---|---|---|---|---|
| Julie Rubinstein | Officer | 379,777 | $11M | 2026-10-01 |
| Francis Lo | Officer | 142,198 | $4M | 2026-09-16 |
| Robert M Hershberg | Director | 30,664 | $748K | 2026-08-18 |
| Peter Neupert | Director | 124,690 | $3M | 2026-08-17 |
Which superinvestors own ADPT?
1 tracked funds hold ADAPTIVE BIOTECHNOLOGIES COR (ADPT), the largest being Andreas Halvorsen (Viking Global Investors) at 1.8% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling ADPT?
In the most recent 13F quarter, 0 tracked funds added or opened ADPT and 0 trimmed it.
How much ADPT do tracked funds hold?
Combined disclosed long exposure to ADPT across tracked superinvestors is $643M as of the Jun 2026 filings.
One email when a tracked manager opens, adds to or files to sell a position — from Form 4, 13D and Form 144, not the 45-day-old 13F.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Jun 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.