Adaptive Biotechnologies COR

ADPT13F as of Jun 30, 2026 · next update ~Nov 14

Limited coverage

Only 2 funds we track own this stock, so quarterly sentiment and aggregates may be sparse.

Who's buying ADPT

Top funds mostly trimmed Adaptive Biotechnologies COR in Q2 (Apr⁠–⁠Jun)

Buying:

FundsInsidersCongress

Top funds
0 of 2 bought more, 1 sold some. Largest: Viking Global Investors, $643.4M (2% of its portfolio).
Insiders
No buys, 75 sales in 12 months.
Congress
No trades disclosed in the last 12 months.

2 funds$645.6M held0.9% avg. weightQ2: 0 bought / 1 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).

Share price · market data, not from 13F reports

Q2 2026

Insider trades (Form 4)

Last 2 years · 92 filings

Date	Insider	Type	Shares	Price	Value
Oct 19, 2026	Julie Rubinstein President & COO	Sold	35,643	$24.66	$879K
Oct 14, 2026	Julie Rubinstein President & COO	Sold	35,643	$25.18	$897K
Oct 9, 2026	Julie Rubinstein President & COO	Sold	35,643	$25.81	$920K
Oct 6, 2026	Julie Rubinstein President & COO	Sold	35,643	$26.60	$948K
Oct 6, 2026	Susan Bobulsky	Sold	6,444	$30.00	$193K
Oct 1, 2026	Julie Rubinstein President & COO	Sold	35,643	$28.46	$1.01M
Oct 1, 2026	Francis LO CHRO	Sold	26,792	$28.28	$758K
Sep 16, 2026	Francis LO CHRO	Sold	115,406	$28.06	$3.24M
Sep 15, 2026	Susan Bobulsky	Sold	1,195	$27.00	$32K
Aug 26, 2026	Katey Einterz Owen Director	Sold	9,615	$26.00	$250K
Aug 18, 2026	Robert Hershberg Director	Sold	30,664	$24.40	$748K
Aug 17, 2026	Chad M Robins CEO & Chair	Sold	600,000	$24.80	$14.88M
Aug 17, 2026	Peter M Neupert Director	Sold	124,690	$25.15	$3.14M
Aug 10, 2026	Susan Bobulsky	Sold	3,000	$25.00	$75K
Jul 30, 2026	Susan Bobulsky	Sold	1,299	$24.00	$31K
Jul 21, 2026	Harlan S Robins	Sold	492,400	$21.89	$10.78M
Jul 16, 2026	Susan Bobulsky	Sold	5,000	$23.00	$115K
Jul 15, 2026	Francis LO CHRO	Sold	105,762	$22.59	$2.39M
Jul 2, 2026	Harlan S Robins	Sold	386,240	$22.01	$8.50M
Jul 1, 2026	Francis LO CHRO	Sold	95,842	$22.51	$2.16M
Jul 1, 2026	Susan Bobulsky	Sold	487	$22.00	$11K
Jun 26, 2026	Sharon Benzeno	Sold	165,802	$21.13	$3.50M
Jun 25, 2026	Susan Bobulsky	Sold	5,000	$20.50	$103K
Jun 25, 2026	Michelle Renee Griffin Director	Sold	52,084	$20.18	$1.05M
Jun 15, 2026	Harlan S Robins	Sold	106,160	$17.41	$1.85M
Jun 11, 2026	Susan Bobulsky	Sold	5,000	$19.00	$95K
Jun 4, 2026	Francis LO CHRO	Sold	39,741	$17.49	$695K
Jun 4, 2026	Susan Bobulsky	Sold	11,000	$18.00	$198K
May 18, 2026	Kyle Piskel CFO	Sold	3,115	$13.04	$41K
Apr 27, 2026	Julie Rubinstein President & COO	Sold	19,037	$14.23	$271K
Apr 22, 2026	Julie Rubinstein President & COO	Sold	57,180	$13.96	$798K
Apr 17, 2026	Julie Rubinstein President & COO	Sold	69,061	$14.60	$1.01M
Apr 14, 2026	Julie Rubinstein President & COO	Sold	57,180	$14.45	$826K
Apr 9, 2026	Julie Rubinstein President & COO	Sold	57,180	$13.26	$758K
Apr 8, 2026	Francis LO CHRO	Sold	22,564	$15.07	$340K
Apr 8, 2026	Harlan S Robins	Sold	10,000	$14.85	$149K
Apr 6, 2026	Chad M Robins CEO & Chair	Sold	120,595	$14.65	$1.77M
Apr 6, 2026	Julie Rubinstein President & COO	Sold	69,061	$14.34	$991K
Apr 1, 2026	Julie Rubinstein President & COO	Sold	38,120	$14.53	$554K
Mar 27, 2026	Julie Rubinstein President & COO	Sold	57,180	$13.14	$751K
Mar 24, 2026	Julie Rubinstein President & COO	Sold	57,180	$14.03	$802K
Mar 19, 2026	Julie Rubinstein President & COO	Sold	57,180	$13.46	$770K
Mar 11, 2026	Julie Rubinstein President & COO	Sold	179,703	$13.21	$2.37M
Mar 11, 2026	Michelle Renee Griffin Director	Sold	15,394	$13.91	$214K
Mar 11, 2026	Francis LO CHRO	Sold	30,593	$14.08	$431K
Mar 11, 2026	Susan Bobulsky	Sold	41,338	$13.17	$544K
Mar 11, 2026	Sharon Benzeno	Sold	63,103	$13.17	$831K
Mar 11, 2026	Kyle Piskel CFO	Sold	18,672	$13.17	$246K
Mar 11, 2026	Harlan S Robins	Sold	470,266	$13.17	$6.19M
Mar 11, 2026	Chad M Robins CEO & Chair	Sold	470,167	$13.17	$6.19M
Mar 6, 2026	Julie Rubinstein President & COO	Sold	81,342	$14.90	$1.21M
Mar 5, 2026	Francis LO CHRO	Sold	38,074	$15.09	$575K
Mar 3, 2026	Michelle Renee Griffin Director	Sold	48,044	$15.30	$735K
Mar 3, 2026	Julie Rubinstein President & COO	Sold	92,823	$16.09	$1.49M
Mar 2, 2026	Harlan S Robins	Sold	24,233	$16.19	$392K
Feb 27, 2026	Chad M Robins CEO & Chair	Sold	524,998	$15.85	$8.32M
Feb 4, 2026	Kyle Piskel CFO	Sold	2,145	$18.46	$40K
Feb 2, 2026	Harlan S Robins	Sold	42,788	$18.68	$799K
Feb 2, 2026	Chad M Robins CEO & Chair	Sold	124,998	$18.44	$2.30M
Jan 12, 2026	Francis LO CHRO	Sold	79,590	$17.73	$1.41M
Jan 12, 2026	Kyle Piskel CFO	Sold	4,290	$18.00	$77K
Jan 6, 2026	Harlan S Robins	Sold	10,000	$16.44	$164K
Dec 22, 2025	Francis LO CHRO	Sold	4,394	$17.50	$77K
Jan 5, 2026	Chad M Robins CEO & Chair	Sold	124,998	$15.59	$1.95M
Jan 2, 2026	Francis LO CHRO	Sold	3,125	$16.08	$50K
Dec 15, 2025	Francis LO CHRO	Sold	113,890	$15.57	$1.77M
Dec 10, 2025	Robert Hershberg Director	Sold	22,968	$16.00	$367K
Dec 4, 2025	Sharon Benzeno	Sold	12,604	$16.85	$212K
Dec 3, 2025	Harlan S Robins	Sold	37,212	$18.07	$673K
Nov 28, 2025	Kyle Piskel CFO	Sold	162,820	$19.50	$3.17M
Nov 26, 2025	Chad M Robins CEO & Chair	Sold	160,734	$19.10	$3.07M
Nov 20, 2025	Sharon Benzeno	Sold	606,402	$16.73	$10.14M
Nov 17, 2025	Kyle Piskel CFO	Sold	238	$14.05	$3K
Nov 10, 2025	Harlan S Robins	Sold	10,000	$14.82	$148K
Nov 10, 2025	Chad M Robins CEO & Chair	Sold	89,265	$14.73	$1.32M
May 16, 2025	Kyle Piskel CFO	Sold	1,929	$8.89	$17K
May 1, 2025	Harlan S Robins	Sold	68,412	$7.35	$503K
Mar 24, 2025	Harlan S Robins	Sold	1,698	$9.00	$15K
Mar 13, 2025	Michelle Renee Griffin Director	Sold	36,291	$7.19	$261K
Mar 12, 2025	Robert Hershberg Director	Sold	53,000	$7.59	$402K
Mar 10, 2025	Peter M Neupert Director	Sold	10,000	$7.05	$71K
Mar 5, 2025	Francis LO CHRO	Sold	20,875	$6.99	$146K
Mar 5, 2025	Susan Bobulsky	Sold	26,023	$6.98	$182K
Mar 5, 2025	Sharon Benzeno	Sold	44,665	$6.98	$312K
Mar 5, 2025	Kyle Piskel CFO	Sold	10,320	$6.98	$72K
Mar 5, 2025	Julie Rubinstein President & COO	Sold	59,505	$6.98	$416K
Mar 5, 2025	Harlan S Robins	Sold	96,656	$6.99	$675K
Mar 5, 2025	Chad M Robins CEO & Chair	Sold	219,569	$7.29	$1.60M
Mar 6, 2025	Michelle Renee Griffin Director	Sold	15,664	$7.94	$124K
Feb 19, 2025	Chad M Robins CEO & Chair	Sold	285,187	$8.45	$2.41M
Feb 13, 2025	Chad M Robins CEO & Chair	Sold	470,368	$8.47	$3.99M
Nov 18, 2024	Kyle Piskel CFO	Sold	248	$4.98	$1K