SPRINGWORKS THERAPEUTICS, INC. - Common Stock, par value $.0001 per share (SWTX)

Q: What does CUSIP 85205L107 represent in this 13F holders report?

CUSIP 85205L107 is the security identifier for SWTX - SPRINGWORKS THERAPEUTICS, INC. - Common Stock, par value $.0001 per share used to aggregate holder disclosures.

Q: How many institutions held SWTX - SPRINGWORKS THERAPEUTICS, INC. - Common Stock, par value $.0001 per share in Q3 2023?

146 institutional investors reported SWTX - SPRINGWORKS THERAPEUTICS, INC. - Common Stock, par value $.0001 per share for Q3 2023. Use the holders table for investor-level position and value details.

CUSIP: 85205L107

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Common Stock, par value $.0001 per share
Total 13F shares: 68,463,334
Total 13F value: $1,579,882,169
Share change: -1,369,116
Put/Call ratio: 581%
SEC-reported price per share: $23.12
Number of holders: 146
Value change: -$32,327,366
Number of buys: 68
Number of sells: 57
Shares outstanding: 75,607,738

Security key

85205L107

Report period

Q3 2023

Institutions

146

Top holders

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

Broader feeds

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

Reporting periods

Holder history for CUSIP 85205L107

Newer quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of SWTX - SPRINGWORKS THERAPEUTICS, INC. - Common Stock, par value $.0001 per share (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

Stephen P. Squinto

Disclosed value leader

Stephen P. Squinto

Comparable rows

0/15

Latest evidence

30 Jun 2023

3/4/5 13F Highest disclosed value: $262,384,838 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Stephen P. Squinto has the largest disclosed position value at $262.38M.

0 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 Stephen P. Squinto's linked filing trail.

Disclosed position value Top 5

Stephen P. Squinto $262.38M

ORBIMED ADVISORS LLC $232.56M

Bain Capital Life Sciences Invest... $200.69M

VANGUARD GROUP INC $128.53M

Jeffrey Lawrence Schwartz $128.41M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Stephen P. Squinto	3/4/5 Director, 10%+ Owner 3/4/5	— mixed-class rows	$262,384,838 6,333,277 shares mixed-class rows	—	19 May 2022
ORBIMED ADVISORS LLC	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	— denominator unverified	$232,561,438 5,599,842 shares	—	12 Sep 2022
Bain Capital Life Sciences Investors, LLC	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	— denominator unverified	$200,690,112 4,832,413 shares	—	10 Aug 2021
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$128,525,485 4,901,811 shares	—	30 Jun 2023
Jeffrey Lawrence Schwartz	3/4/5 Director 3/4/5	— mixed-class rows	$128,405,735 3,105,653 shares mixed-class rows	—	24 May 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$111,681,233 4,259,391 shares	—	30 Jun 2023

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 Q3 2023

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

Institutions

146

68,463,334

Rows available

146

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 Q3 2023 vs Q1 2026 Across Filers

Q1 2026 holders

Q3 2023 holders

146

Holder diff

145

Investor	Q1 2026 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q1 2026 value	Q3 2023 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend