SPTX | SEAPORT THERAP | Owners

S&P 500$7,757.17
+0.58%
2m
DOW 30$52,856.09
+0.69%
2m
NASDAQ 100$29,822.52
+1.13%
2m
Russell 2000$276.48
+0.25%
2m
Russell 1000$422.30
+0.59%
2m
S&P 400$3,665.94
+0.40%
2m
S&P 600$1,675.64
+0.08%
2m

SEAPORT THERAP (SPTX)

NASDAQ

$20.79+$1.06 (+5.37%)

Price as of Oct 22, 2026 7:30 PM EDT

$1.1B
Market Cap
N/A
1-Year Change
Biotechnology
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
ARCH VENTURE MANAGEMENT, LLC	11.76%	6.3M	+6.3M (+100.00%)	Jun 30, 2026
GENERAL ATLANTIC, L.P.	11.40%	6.1M	+6.1M (+100.00%)	Jun 30, 2026
SOFINNOVA INVESTMENTS, INC.	6.66%	3.6M	+3.6M (+100.00%)	Jun 30, 2026
GOLDMAN SACHS GROUP INC	4.07%	2.2M	+2.2M (+100.00%)	Jun 30, 2026
TRV GP VI, LLC	3.85%	2.1M	+2.1M (+100.00%)	Jun 30, 2026
CANADA PENSION PLAN INVESTMENT BOARD	3.69%	2.0M	+2.0M (+100.00%)	Jun 30, 2026
JPMORGAN CHASE & CO	3.39%	1.8M	+1.8M (+100.00%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
JPMORGAN TRUST II	1.57%	840,931	+840,931 (+100.00%)	Jun 30, 2026
VANGUARD INDEX FUNDS	1.11%	591,807	+591,807 (+100.00%)	Jun 30, 2026
PRUDENTIAL SECTOR FUNDS, INC.	0.82%	438,754	+438,754 (+100.00%)	May 29, 2026
FIDELITY MT VERNON STREET TRUST	0.64%	342,596	+342,596 (+100.00%)	May 31, 2026
FIDELITY SECURITIES FUND	0.61%	327,709	+327,709 (+100.00%)	Jul 31, 2026
T. Rowe Price Health Sciences Fund, Inc.	0.56%	299,319	+299,319 (+100.00%)	Jun 30, 2026
PRINCIPAL FUNDS, INC.	0.34%	181,500	+181,500 (+100.00%)	Jul 31, 2026

Current Ownership Distribution

Institutions37.9M (70.79%)
Other11.3M (21.11%)
Mutual Funds4.3M (8.10%)
Insiders0 (0.00%)

Insider Transactions

0.00% (0)
Current InsiderOwnership (%, shares)
1
Number of InsiderBuying (last 12 months)
$93.5M
Amount of InsiderBuying (last 12 months)
0
Number of InsiderSelling (last 12 months)
$0.00
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
Loebel Antony Chief Medical Officer	Conversion	May 04, 2026	$0.00	63,157	$0.00	0
Chen Michael Cunyuan Chief Scientific Officer	Conversion	May 04, 2026	$0.00	10,526	$0.00	0
ARCH Venture Partners XII, LLC	Conversion	May 04, 2026	$0.00	2.5M	$0.00	0
PAUL STEVEN M	Conversion	May 04, 2026	$0.00	210,526	$0.00	0
Loebel Antony Chief Medical Officer	Conversion	May 04, 2026	$0.00	20,109	$0.00	20,109
Torres Denice	Conversion	May 04, 2026	$0.00	42,105	$0.00	0
ARCH Venture Partners XII, LLC	Conversion	May 04, 2026	$0.00	2.7M	$0.00	0
Gladstein Lana General Counsel	Conversion	May 04, 2026	$0.00	105,263	$0.00	0
ARCH Venture Partners XII, LLC	Conversion	May 04, 2026	$0.00	2.5M	$0.00	2.5M
Chen Michael Cunyuan Chief Scientific Officer	Conversion	May 04, 2026	$0.00	3,351	$0.00	3,351
ARCH Venture Partners XII, LLC	Conversion	May 04, 2026	$0.00	2.7M	$0.00	5.2M
PAUL STEVEN M	Conversion	May 04, 2026	$0.00	67,031	$0.00	863,031
ARCH Venture Partners XII, LLC	Buy	May 04, 2026	$19.8M	1.1M	$18.00	6.3M
Torres Denice	Conversion	May 04, 2026	$0.00	13,406	$0.00	13,406
Gladstein Lana General Counsel	Conversion	May 04, 2026	$0.00	33,515	$0.00	33,515
Mates Sharon	Award	Apr 30, 2026	$0.00	49,033	$0.00	49,033
Chen Michael Cunyuan Chief Scientific Officer	Award	Apr 30, 2026	$0.00	63,680	$0.00	63,680
HOMBACH ROBERT J.	Award	Apr 30, 2026	$0.00	12,258	$0.00	12,258
Zohar Daphne Chief Executive Officer	Award	Apr 30, 2026	$0.00	271,813	$0.00	271,813
Loebel Antony Chief Medical Officer	Award	Apr 30, 2026	$0.00	63,680	$0.00	63,680
PETERSON SANDRA E	Award	Apr 30, 2026	$0.00	12,258	$0.00	12,258
Gladstein Lana General Counsel	Award	Apr 30, 2026	$0.00	63,680	$0.00	63,680
Torres Denice	Award	Apr 30, 2026	$0.00	12,258	$0.00	12,258
PAUL STEVEN M	Award	Apr 30, 2026	$0.00	12,258	$0.00	12,258
Zohar Daphne Chief Executive Officer	Award	Apr 30, 2026	$0.00	1.5M	$0.00	1.5M
PAUL STEVEN M	Award	Apr 30, 2026	$0.00	991,192	$0.00	991,192