13F Insight
DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
SEER

SEER INC

61 institutions still hold SEER INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81578P106·61 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 0.2%
vs prior quarter
13F value held
$31M
66.0% inst. owned
of float
Holders
61
+53 QoQ
filers reporting
Activity
+82 / −67
+850 added · −704 reduced
this quarter
Concentration
27.94%
SOFTBANK GROUP CORP. #1
top holder share
AI Holders Summary · Q1 2026

61 institutions reported SEER in Q1 2026. SOFTBANK GROUP CORP. leads at 27.9% of the visible book. +53 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SOFTBANK GROUP CORP.
CIK 0001065521
$9M5.1M0.08%Q1 202602
Siren, L.L.C.
CIK 0002005245
$4M2.5M0.11%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$3M2.0M0.00%Q1 202604
BlackRock, Inc.
CIK 0002012383
$3M1.8M0.00%Q1 202605
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M977K0.00%Q1 202606
AJU IB Investment Co., Ltd.
CIK 0001710065
$2M816K5.05%Q1 202607
NANO CAP NEW MILLENNIUM GROWTH FUND L P
CIK 0001277890
$1M825K1.30%Q1 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$859,485512K0.00%Q1 202609
TWO SIGMA ADVISERS, LP
CIK 0001478735
$845,643462K0.00%Q4 202510
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$771,864459K0.02%Q1 202611
D. E. Shaw & Co., Inc.
CIK 0001009207
$747,659409K0.00%Q4 202512
Peapod Lane Capital LLC
CIK 0002050979
$735,885439K0.60%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$710,790423K0.00%Q1 202614
1888 Investments, LLC
CIK 0001885092
$603,360359K0.96%Q1 202615
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$372,819222K0.00%Q1 202616
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$362,087216K0.00%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$326,211194K0.00%Q1 202618
Rangeley Capital, LLC
CIK 0001517796
$309,627184K0.30%Q1 202619
T3 Companies, LLC
CIK 0002052441
$287,216171K0.37%Q1 202620
MORGAN STANLEY
CIK 0000895421
$270,277161K0.00%Q1 2026
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