SEER | SEER-A | 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

SEER-A (SEER)

NASDAQ

$1.97-$0.06 (-3.20%)

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

$112.4M
Market Cap
-5.58%
1-Year Change
Biotechnology
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
SB GLOBAL ADVISERS LTD	9.27%	5.1M	0 (0.00%)	Dec 31, 2022
SOFTBANK GROUP CORP.	9.27%	5.1M	0 (0.00%)	Jun 30, 2026
BLACKROCK FUNDING, INC. /DE	4.83%	2.7M	+42,256 (+1.58%)	Dec 31, 2024
BLACKROCK INC.	4.77%	2.6M	-3.0M (-113.67%)	Jun 30, 2024
SIREN, L.L.C.	4.44%	2.5M	0 (0.00%)	Jun 30, 2026
VANGUARD GROUP INC	3.95%	2.2M	-33,991 (-1.55%)	Dec 31, 2025
ACADIAN ASSET MANAGEMENT LLC	3.53%	2.0M	-121,005 (-6.19%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
VANGUARD INDEX FUNDS	3.19%	1.8M	-155,794 (-8.82%)	Jun 30, 2026
BRIDGEWAY FUNDS INC	0.81%	446,743	0 (0.00%)	Jun 30, 2026
AMERICAN CENTURY ETF TRUST	0.13%	73,815	-1,354 (-1.83%)	May 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC	0.09%	47,585	0 (0.00%)	Jul 31, 2026
VANGUARD VALLEY FORGE FUNDS	0.06%	34,803	-1,214 (-3.49%)	Jun 30, 2026
VANGUARD INSTITUTIONAL INDEX FUNDS	0.05%	29,070	+19,933 (+68.57%)	Jun 30, 2026
Dimensional ETF Trust	0.05%	28,733	0 (0.00%)	Jul 31, 2026

Current Ownership Distribution

Institutions682.4M (72.82%)
Mutual Funds232.9M (24.85%)
Insiders21.8M (2.32%)
Other0 (0.00%)

Insider Transactions

2.32% (21.8M)
Current InsiderOwnership (%, shares)
0
Number of InsiderBuying (last 12 months)
$0.00
Amount of InsiderBuying (last 12 months)
2
Number of InsiderSelling (last 12 months)
$11.8M
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
Horn David R. PRESIDENT & CFO	Sell	Aug 18, 2026	$14,809.50	7,309	$2.03	486,650
Ro Isaac	Award	Jul 28, 2026	$0.00	18,750	$0.00	18,750
Gulyani Meeta	Award	Jul 28, 2026	$0.00	25,000	$0.00	25,000
Ro Isaac	Award	Jul 28, 2026	$0.00	12,375	$0.00	53,375
Roelofs Nicolas H PHD	Award	Jul 28, 2026	$0.00	25,000	$0.00	25,000
Gulyani Meeta	Award	Jul 28, 2026	$0.00	16,500	$0.00	124,043
MCGUIRE TERRANCE	Award	Jul 28, 2026	$0.00	25,000	$0.00	25,000
LANGER ROBERT	Award	Jul 28, 2026	$0.00	25,000	$0.00	25,000
MCGUIRE TERRANCE	Award	Jul 28, 2026	$0.00	16,500	$0.00	128,566
Roelofs Nicolas H PHD	Award	Jul 28, 2026	$0.00	16,500	$0.00	91,496
LANGER ROBERT	Award	Jul 28, 2026	$0.00	16,500	$0.00	821,025
Farokhzad Omid CEO AND CHAIR	Sell	Feb 18, 2026	$48,645.64	24,385	$1.99	3.3M
Horn David R. PRESIDENT & CFO	Sell	Feb 18, 2026	$15,446.51	7,743	$1.99	501,262
Horn David R. PRESIDENT & CFO	Award	Feb 03, 2026	$0.00	119,000	$0.00	119,000
Farokhzad Omid CEO AND CHAIR	Award	Feb 03, 2026	$0.00	512,000	$0.00	512,000
Horn David R. PRESIDENT & CFO	Award	Feb 03, 2026	$0.00	79,000	$0.00	509,005
Farokhzad Omid CEO AND CHAIR	Award	Feb 03, 2026	$0.00	697,162	$0.00	3.4M
Farokhzad Omid CEO AND CHAIR	Sell	Nov 19, 2025	$66,708.23	33,838	$1.97	1.2M
Horn David R. PRESIDENT & CFO	Sell	Nov 19, 2025	$13,399.61	6,797	$1.97	436,802
Ro Isaac	Award	Sep 02, 2025	$0.00	61,000	$0.00	61,000
Ro Isaac	Award	Sep 02, 2025	$0.00	41,000	$0.00	41,000
Horn David R. PRESIDENT & CFO	Sell	Aug 20, 2025	$13,955.07	6,827	$2.04	436,802
Farokhzad Omid CEO AND CHAIR	Sell	Aug 20, 2025	$69,483.05	33,992	$2.04	1.3M
Nishar Dipchand	Award	Jul 07, 2025	$0.00	30,500	$0.00	30,500
Gulyani Meeta	Award	Jul 07, 2025	$0.00	30,500	$0.00	30,500
Nishar Dipchand	Award	Jul 07, 2025	$0.00	20,500	$0.00	69,704
Roelofs Nicolas H PHD	Award	Jul 07, 2025	$0.00	25,416	$0.00	25,416
MCGUIRE TERRANCE	Award	Jul 07, 2025	$0.00	30,500	$0.00	30,500
Roelofs Nicolas H PHD	Award	Jul 07, 2025	$0.00	17,083	$0.00	74,996
Gulyani Meeta	Award	Jul 07, 2025	$0.00	20,500	$0.00	107,543