SPTX · Seaport Therapeutics, Inc.

$24.22 +0.51 (+2.15%) At close · Aug 14

Market Cap

$1.30B

53.53M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 57

Total Value: $1,364,800,584

Total Shares: 62,836,124

Holder Concentration

Across 54 13F filers

Top Holder

16.8%

of institutional value

Top 5

54.0%

of institutional value

Top 10

75.6%

of institutional value

HHI

843

Broadly held

Showing 57 of 57

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

PureTech Health plc

$362,398,482

26.55%

16,685,013

ARCH Venture Management, LLC

$136,726,335

10.02%

6,294,951

GENERAL ATLANTIC, L.P.

$132,526,361

9.71%

6,101,582

Zohar Daphne

$113,497,794

8.32%

5,225,497

Sofinnova Investments, Inc.

$77,428,998

5.67%

3,564,871

PAUL STEVEN M

$76,383,114

5.60%

3,516,718

GOLDMAN SACHS GROUP INC

$47,320,103

3.47%

2,178,642

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	1,194,858	$25,952,315	54.8%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	983,784	$21,367,788	45.2%	Defined

TRV GP VI, LLC

$44,769,741

3.28%

2,061,222

CANADA PENSION PLAN INVESTMENT BOARD

$42,914,180

3.14%

1,975,791

JPMORGAN CHASE & CO

$39,440,152

2.89%

1,815,845

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	30,741	$667,694	1.7%	Defined
J.P. Morgan Investment Management Inc.	1,341,920	$29,146,502	73.9%	Defined
JPMorgan Asset Management (UK) Ltd	443,184	$9,625,956	24.4%	Defined

Foresite Capital Management VI LLC

$38,651,196

2.83%

1,779,521

PRICE T ROWE ASSOCIATES INC /MD/

$28,422,878

2.08%

1,308,604

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	6,378	$138,530	0.5%	Defined
Held directly	1,302,226	$28,284,348	99.5%	Sole

FMR LLC

$25,740,371

1.89%

1,185,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	754,905	$16,396,536	63.7%	Defined
FIDELITY MANAGEMENT TRUST CO	396,395	$8,609,699	33.4%	Defined
Fidelity Institutional Asset Management Trust Co	28,100	$610,332	2.4%	Defined
FIAM LLC	5,700	$123,804	0.5%	Defined

Bellevue Group AG

$23,892,000

1.75%

1,100,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BB Biotech AG joint	1,100,000	$23,892,000	100.0%	Defined

Siren, L.L.C.

$23,790,263

1.74%

1,095,316

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	1,095,316	$23,790,263	100.0%	Defined

JENNISON ASSOCIATES LLC

$23,450,410

1.72%

1,079,669

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Prudential Financial Inc	1,079,669	$23,450,410	100.0%	Defined

RA CAPITAL MANAGEMENT, L.P.

$15,204,000

1.11%

700,000

VANGUARD CAPITAL MANAGEMENT LLC

$13,014,993

0.95%

599,217

Woodline Partners LP

$12,735,413

0.93%

586,345

PERCEPTIVE ADVISORS LLC

$10,860,000

0.80%

500,000

BRAIDWELL LP

$10,860,000

0.80%

500,000

PRINCIPAL FINANCIAL GROUP INC

$9,006,675

0.66%

414,672

Aberdeen Group plc

$6,740,910

0.49%

310,355

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
abrdn Inc.	310,355	$6,740,910	100.0%	Defined

UBS Group AG

$6,063,876

0.44%

279,184

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	13,184	$286,356	4.7%	Defined
UBS Securities LLC	266,000	$5,777,520	95.3%	Defined

BlackRock, Inc.

$4,992,621

0.37%

229,863

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	3,396	$73,761	1.5%	Sole
BLACKROCK ADVISORS LLC	3,634	$78,930	1.6%	Sole
BlackRock Institutional Trust Company, N.A.	221,147	$4,803,312	96.2%	Sole
BlackRock Investment Management (UK) Ltd.	854	$18,548	0.4%	Sole
BlackRock Advisors (UK) Ltd	17	$369	0.0%	Sole
BlackRock (Luxembourg) S.A.	815	$17,701	0.4%	Sole

SEVEN GRAND MANAGERS, LLC

$4,887,000

0.36%

225,000

CITADEL ADVISORS LLC

$4,151,647

0.30%

191,144

GEODE CAPITAL MANAGEMENT, LLC

$3,819,808

0.28%

175,866

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	33,640	$730,660	19.1%	Defined
Held directly	142,226	$3,089,148	80.9%	Defined

Pier Capital, LLC

$3,692,074

0.27%

169,985

AMERIPRISE FINANCIAL INC

$2,862,435

0.21%

131,788

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	131,788	$2,862,435	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,121,891

0.16%

97,693

VANGUARD FIDUCIARY TRUST CO

$1,906,407

0.14%

87,772

Pentwater Capital Management LP

$1,802,760

0.13%

83,000

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$1,793,311

0.13%

82,565

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	82,565	$1,793,311	100.0%	Defined

Alyeska Investment Group, L.P.

$1,629,000

0.12%

75,000

ALPS ADVISORS INC

$1,180,004

0.09%

54,328

TD Asset Management Inc

$1,041,343

0.08%

47,944

MILLENNIUM MANAGEMENT LLC

$984,719

0.07%

45,337

GSA CAPITAL PARTNERS LLP

$720,626

0.05%

33,178

DAFNA Capital Management LLC

$703,728

0.05%

32,400

NORTHERN TRUST CORP

$690,739

0.05%

31,802

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	31,802	$690,739	100.0%	Defined

ADAR1 Capital Management, LLC

$564,720

0.04%

26,000

Ghisallo Capital Management LLC

$543,000

0.04%

25,000

Burkehill Global Management, LP

$543,000

0.04%

25,000

Squarepoint Ops LLC

$537,635

0.04%

24,753

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	24,753	$537,635	100.0%	Defined

HighTower Advisors, LLC

$361,985

0.03%

16,666

MORGAN STANLEY

$253,949

0.02%

11,692

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	5	$108	0.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	11,387	$247,325	97.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	300	$6,516	2.6%	Defined

XTX Topco Ltd

$238,550

0.02%

10,983

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	10,983	$238,550	100.0%	Defined

Weiss Asset Management LP

$217,200

0.02%

10,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WEISS ANDREW M joint	10,000	$217,200	100.0%	Defined

Zimmer Partners, LP

$217,200

0.02%

10,000

VANGUARD PORTFOLIO MANAGEMENT LLC

$197,239

0.01%

9,081

Vanguard Global Advisers, LLC

$155,493

0.01%

7,159

CITIGROUP INC

$53,300

0.00%

2,454

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	2,454	$53,300	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$49,000

0.00%

2,256

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	2,256	$49,000	100.0%	Sole

ASSETMARK, INC

$31,081

0.00%

1,431

BARCLAYS PLC

$18,179

0.00%

837

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	837	$18,179	100.0%	Defined

Integrated Wealth Concepts LLC

$695

0.00%

Key facts CIK 2042347 CUSIP 81221K108 13F (30d) 57 filings 57 filers Visit website Investor relations