| Item 1. | |
| (a) | Name of issuer:
ADAPTIVE BIOTECHNOLOGIES CORPORATION |
| (b) | Address of issuer's principal executive offices:
1165 Eastlake Avenue East, Seattle, WASHINGTON, 98109 |
| Item 2. | |
| (a) | Name of person filing:
Sumitomo Mitsui Trust Group, Inc.
Nikko Asset Management Co., Ltd. |
| (b) | Address or principal business office or, if none, residence:
Sumitomo Mitsui Trust Group, Inc.:1-4-1 Marunouchi, Chiyoda-ku, Tokyo 100-8233, Japan
Nikko Asset Management Co., Ltd.: Midtown Tower, 9-7-1 Akasaka, Minato-ku, Tokyo 107-6242, Japan |
| (c) | Citizenship:
Sumitomo Mitsui Trust Group, Inc.: Japan
Nikko Asset Management Co., Ltd.: Japan |
| (d) | Title of class of securities:
Common stock, par value $0.0001 per share |
| (e) | CUSIP No.:
00650F109 |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) |  A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
|
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
|
| | Parent Holding Company |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
6,833,137 |
| (b) | Percent of class:
4.6 %
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| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
Sumitomo Mitsui Trust Group, Inc.: 0
Nikko Asset Management Co., Ltd.: 0
|
| | (ii) Shared power to vote or to direct the vote:
Sumitomo Mitsui Trust Group, Inc.: 6,833,137
Nikko Asset Management Co., Ltd.: 6,833,137
|
| | (iii) Sole power to dispose or to direct the disposition of:
Sumitomo Mitsui Trust Group, Inc.: 0
Nikko Asset Management Co., Ltd.: 0
|
| | (iv) Shared power to dispose or to direct the disposition of:
Sumitomo Mitsui Trust Group, Inc.: 6,833,137
Nikko Asset Management Co., Ltd.: 6,833,137
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
| |
Ownership of 5 percent or less of a class
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
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If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
The securities being reported on by each of Sumitomo Mitsui Trust Group, Inc.(which is classified as A parent holding company or control person in accordance with ss. 240.13d-1(b)(1)(ii)(G) , as A non-U.S. institution in accordance with ss. 240.13d-1(b)(1)(ii)(J) and as Group, in accordance with ss. 240.13d-1(b)(1)(ii)(K)) and Nikko Asset Management Co., Ltd.(which is classified as A parent holding company or control person in accordance with ss.240.13d-1(b)(1)(ii)(G) ,as An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E) and as A non-U.S. institution in accordance with ss.240.13d-1(b)(1)(ii)(J)) ,as parent holding companies, are owned, or may be deemed to be beneficially owned, by their subsidiary listed below.
Nikko Asset Management Americas, Inc.,
- An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E). |
| Item 8. | Identification and Classification of Members of the Group. |
| |
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
The securities being reported on by each of Sumitomo Mitsui Trust Group, Inc.(which is classified as A parent holding company or control person in accordance with ss. 240.13d-1(b)(1)(ii)(G) , as A non-U.S. institution in accordance with ss. 240.13d-1(b)(1)(ii)(J) and as Group, in accordance with ss. 240.13d-1(b)(1)(ii)(K)) and Nikko Asset Management Co., Ltd.(which is classified as A parent holding company or control person in accordance with ss.240.13d-1(b)(1)(ii)(G) ,as An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E) and as A non-U.S. institution in accordance with ss.240.13d-1(b)(1)(ii)(J)) ,as parent holding companies, are owned, or may be deemed to be beneficially owned, by their subsidiary listed below.
Nikko Asset Management Americas, Inc.,
- An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E). |
| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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