Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") (SAGE)

Q: What does CUSIP 78667J108 represent in this 13F holders report?

CUSIP 78667J108 is the security identifier for SAGE - Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") used to aggregate holder disclosures.

Q: How many institutions held SAGE - Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") in Q1 2018?

243 institutional investors reported SAGE - Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") for Q1 2018. Use the holders table for investor-level position and value details.

CUSIP: 78667J108

Q1 2018 13F Holders as of 31 Mar 2018

Security type / class: Equity / Common Stock, par value $0.0001 per share (the "Common Stock")
Total 13F shares: 47,521,631
Total 13F value: $7,647,354,047
Share change: +4,016,941
Put/Call ratio: 87%
SEC-reported price per share: $161.07
Number of holders: 243
Value change: +$644,797,785
Number of buys: 153
Number of sells: 92
Shares outstanding: 62,650,155

Security key

78667J108

Report period

Q1 2018

Institutions

243

Top holders

SAGE full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Sage Therapeutics, Inc. SEC filings Sage Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 78667J108

Newer quarter: Q4 2025

Recent filing periods:

Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of SAGE - Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PRICE T ROWE ASSOCIATES I...

Disclosed value leader

PRICE T ROWE ASSOCIATES I...

Comparable rows

15/15

Latest evidence

31 Dec 2017

13F Lead comparable stake: 10% Showing 1-6 of 15 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.

Comparable ownership Top 5

PRICE T ROWE ASSOCIATES INC /MD/ 10%

FMR LLC 10%

BlackRock Finance, Inc. 5.5%

VANGUARD GROUP INC 5.4%

WELLINGTON MANAGEMENT GROUP LLP 3.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	10%	$1,039,537,000 6,311,317 shares	—	31 Dec 2017
FMR LLC	13F Company 13F	10%	$1,027,381,000 6,237,519 shares	—	31 Dec 2017
BlackRock Finance, Inc.	13F Company 13F	5.5%	$567,290,000 3,444,171 shares	—	31 Dec 2017
VANGUARD GROUP INC	13F Company 13F	5.4%	$552,182,000 3,352,445 shares	—	31 Dec 2017
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	3.3%	$340,786,000 2,069,005 shares	—	31 Dec 2017
Bank of New York Mellon Corp	13F Company 13F	2.6%	$266,930,000 1,620,611 shares	—	31 Dec 2017

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2018

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

243

47,521,631

Rows available

243

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2018 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2018 holders

243

Holder diff

241

Investor	Q4 2025 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2018 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend