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 2015?

90 institutional investors reported SAGE - Sage Therapeutics, Inc. - Common Stock, par value $0.0001 per share (the "Common Stock") for Q1 2015. Use the holders table for investor-level position and value details.

CUSIP: 78667J108

Q1 2015 13F Holders as of 31 Mar 2015

Security type / class: Equity / Common Stock, par value $0.0001 per share (the "Common Stock")
Shares outstanding: 62,650,155
Total 13F shares: 21,505,189
Share change: +1,667,047
Total reported value: $1,080,202,161
Reported price per share: $50.23
Number of holders: 90
Value change: +$87,874,721
Number of buys: 65
Number of sells: 25

Security key

78667J108

Report period

Q1 2015

Institutions

Top holders

SAGE full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2015 Previous quarter: Q4 2014 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: Q2 2015 Previous quarter: Q4 2014

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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.

Lead holder

Third Rock Ventures, LLC

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2014

13F Lead comparable stake: 19% Showing 1-6 of 15 holder rows.

Rank 1 holder

Third Rock Ventures, LLC

13F

Ownership: 19%
Position: $427.52M

13F

Rank 2 holder

FMR LLC

13F

Ownership: 6.2%
Position: $141.6M

13F

Rank 3 holder

EcoR1 Capital, LLC

13F

Ownership: 0.78%
Position: $9.07M

13F

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Third Rock Ventures, LLC	13F Company 13F	19%	$427,525,000 11,681,008 shares	—	31 Dec 2014
FMR LLC	13F Company 13F	6.2%	$141,601,000 3,868,893 shares	—	31 Dec 2014
EcoR1 Capital, LLC	13F Company 13F	0.78%	$9,069,000 491,044 shares	—	31 Dec 2014
BlackRock Fund Advisors	13F Company 13F	0.74%	$16,907,000 461,948 shares	—	31 Dec 2014
ORBIMED ADVISORS LLC	13F Company 13F	0.66%	$15,091,000 412,335 shares	—	31 Dec 2014
RS INVESTMENT MANAGEMENT CO LLC	13F Company 13F	0.57%	$12,959,000 354,058 shares	—	31 Dec 2014

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 2015

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

Institutions

21,505,189

Rows available

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* 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 failed the local validity check.

Compare Q1 2015 vs Q4 2014 Across Filers

Q4 2014 holders

Q1 2015 holders

Holder diff

Investor	Q4 2014 Shares	Q1 2015 Shares	Share Diff	Share Chg %	Q4 2014 value	Q1 2015 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend