SEER · Seer, Inc. · Holdings

$1.91 -0.04 (-2.05%)

Market Cap

$107.98M

55.37M

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.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 59

Total Value: $34,048,693

Total Shares: 20,511,281

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 59 13F filers · Δ vs Mar 31, 2026

Top Holder

25.0%

+1.0 pts

Top 5

62.4%

−0.6 pts

Top 10

78.4%

−1.4 pts

HHI

1,070

Broadly held+25

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +1

Institutional value: -5.0%

Shares held: -3.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid Advisory Services Network, LLC	+132,648	142,648
Large EDGEWOOD MANAGEMENT LLC	+100,000	200,000
Large JACOBS LEVY EQUITY MANAGEMENT, INC	+79,090	222,332
Mega GOLDMAN SACHS GROUP INC	+52,465	246,638
Small Rangeley Capital, LLC	+37,698	222,000

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−393,199	1,428,405
Mega VANGUARD CAPITAL MANAGEMENT LLC	−127,938	1,831,058
Large ACADIAN ASSET MANAGEMENT LLC	−121,005	1,953,704
Mega NORTHERN TRUST CORP	−55,665	78,895
Mid Shay Capital LLC	−41,282	94,208

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	519,310	$862,054
Mid Voss Capital, LP	137,291	$227,903
Micro Marquette Asset Management, LLC	61,816	$102,614
Mega JANE STREET GROUP, LLC	59,400	$98,603
Large HRT FINANCIAL LP	22,709	$37,696

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Micro AJU IB Investment Co., Ltd.	816,375	$1,371,510
Mid T3 Companies, LLC	170,962	$287,216
Mega D. E. Shaw & Co., Inc.	125,154	$210,258
Large NewEdge Advisors, LLC	78,709	$132,231
Large MARSHALL WACE, LLP	45,790	$76,927

Filter: New 9 Increased 14 Reduced 20 Sold out 8 Unchanged 16

Showing 59 of 59

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

SOFTBANK GROUP CORP.

$8,524,735

25.04%

5,135,383

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

Manager	Shares	Value (USD)	% of position	Discretion
SB Global Advisers Limited	5,135,383	$8,524,735	100.0%	Defined

Siren, L.L.C.

$4,081,397

11.99%

2,458,673

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

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	2,458,673	$4,081,397	100.0%	Defined

ACADIAN ASSET MANAGEMENT LLC

$3,243,148

9.53%

1,953,704

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,953,704	$3,243,148	100.0%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$3,039,556

8.93%

1,831,058

BlackRock, Inc.

$2,371,150

6.96%

1,428,405

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	273,685	$454,317	19.2%	Sole
BlackRock Investment Management, LLC	10,527	$17,474	0.7%	Sole
BlackRock Fund Advisors	160,882	$267,064	11.3%	Sole
BlackRock Institutional Trust Company, N.A.	982,086	$1,630,262	68.8%	Sole
Aperio Group, LLC	1,225	$2,033	0.1%	Sole

RENAISSANCE TECHNOLOGIES LLC

$1,635,930

4.80%

985,500

NANO CAP NEW MILLENNIUM GROWTH FUND L P

$1,369,500

4.02%

825,000

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

Manager	Shares	Value (USD)	% of position	Discretion
AZG TANGIBLE ASSETS FUND LLC	825,000	$1,369,500	100.0%	Sole

CITADEL ADVISORS LLC

$862,054

2.53%

519,310

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

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	519,310	$862,054	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$817,214

2.40%

492,298

GEODE CAPITAL MANAGEMENT, LLC

$764,312

2.24%

460,430

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	81,556	$135,382	17.7%	Defined
Held directly	378,874	$628,930	82.3%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$762,675

2.24%

459,443

Peapod Lane Capital LLC

$739,447

2.17%

445,450

1888 Investments, LLC

$596,177

1.75%

359,143

GOLDMAN SACHS GROUP INC

$409,418

1.20%

246,638

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	56,337	$93,519	22.8%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	190,301	$315,899	77.2%	Defined

JACOBS LEVY EQUITY MANAGEMENT, INC

$369,071

1.08%

222,332

Rangeley Capital, LLC

$368,520

1.08%

222,000

VANGUARD FIDUCIARY TRUST CO

$360,155

1.06%

216,961

DIMENSIONAL FUND ADVISORS LP

$352,956

1.04%

212,625

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

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	10,587	$17,574	5.0%	Defined
DFA Australia Ltd.	10,600	$17,596	5.0%	Defined
Dimensional Ireland Ltd	51,481	$85,458	24.2%	Defined
Held directly	139,957	$232,328	65.8%	Sole

EDGEWOOD MANAGEMENT LLC

$332,000

0.98%

200,000

GSA CAPITAL PARTNERS LLP

$306,309

0.90%

184,524

STATE STREET CORP

$265,517

0.78%

159,950

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

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	159,950	$265,517	100.0%	Defined

MORGAN STANLEY

$241,418

0.71%

145,434

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	724	$1,201	0.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	142,589	$236,697	98.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	5	$8	0.0%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	2,116	$3,512	1.5%	Defined

Advisory Services Network, LLC

$236,795

0.70%

142,648

Voss Capital, LP

$227,903

0.67%

137,291

HSBC HOLDINGS PLC

$189,817

0.56%

114,348

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	114,348	$189,817	100.0%	Defined

Shay Capital LLC

$156,385

0.46%

94,208

NORTHERN TRUST CORP

$130,965

0.38%

78,895

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	78,895	$130,965	100.0%	Defined

AMERICAN CENTURY COMPANIES INC

$122,532

0.36%

73,815

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

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	73,815	$122,532	100.0%	Defined

Corient Private Wealth LLC

$121,512

0.36%

73,200

ROYAL BANK OF CANADA

$118,789

0.35%

71,560

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	71,500	$118,690	99.9%	Defined
Held directly	60	$99	0.1%	Sole

Palumbo Wealth Management LLC

$113,681

0.33%

68,483

Marquette Asset Management, LLC

$102,614

0.30%

61,816

JANE STREET GROUP, LLC

$98,603

0.29%

59,400

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

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	42,096	$69,879	70.9%	Defined
Jane Street Global Trading, LLC	17,304	$28,724	29.1%	Defined

BANK OF AMERICA CORP /DE/

$94,608

0.28%

56,993

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

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	56,993	$94,608	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$86,177

0.25%

51,914

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	51,914	$86,177	100.0%	Defined

XTX Topco Ltd

$73,665

0.22%

44,377

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	44,377	$73,665	100.0%	Defined

PRELUDE CAPITAL MANAGEMENT, LLC

$56,252

0.17%

33,887

Pathstone Holdings, LLC

$44,006

0.13%

26,510

UBS Group AG

$43,390

0.13%

26,139

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	260	$431	1.0%	Defined
UBS AG	25,879	$42,959	99.0%	Defined

Invesco Ltd.

$39,566

0.12%

23,835

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	23,835	$39,566	100.0%	Defined

HRT FINANCIAL LP

$37,696

0.11%

22,709

Sequoia Financial Advisors, LLC

$27,556

0.08%

16,600

Bronte Capital Management Pty Ltd.

$25,080

0.07%

15,109

Point72 Asset Management, L.P.

$23,430

0.07%

14,115

Vanguard Global Advisers, LLC

$21,395

0.06%

12,889

FNY Investment Advisers, LLC

$14,110

0.04%

8,500

BARCLAYS PLC

$13,490

0.04%

8,127

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	7,735	$12,840	95.2%	Defined
BARCLAYS CAPITAL INC.	392	$650	4.8%	Defined

SBI Securities Co., Ltd.

$3,877

0.01%

2,336

Russell Investments Group, Ltd.

$2,660

0.01%

1,603

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

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	1,603	$2,660	100.0%	Defined

Atlantic Union Bankshares Corp

$2,075

0.01%

1,250

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

Manager	Shares	Value (USD)	% of position	Discretion
SSB Wealth Management, Inc.	1,250	$2,075	100.0%	Sole

NATIONAL BANK OF CANADA /FI/

$1,660

0.00%

1,000

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

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	1,000	$1,660	100.0%	Defined

SIMPLEX TRADING, LLC

$1,439

0.00%

867

BNP PARIBAS ARBITRAGE, SA

$1,098

0.00%

662

FMR LLC

$1,054

0.00%

635

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	635	$1,054	100.0%	Defined

Tower Research Capital LLC (TRC)

$1,047

0.00%

631

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	631	$1,047	100.0%	Defined

OSAIC HOLDINGS, INC.

$630

0.00%

380

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	380	$630	100.0%	Defined

JPMORGAN CHASE & CO

$222

0.00%

134

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities plc	134	$222	100.0%	Defined

Caitong International Asset Management Co., Ltd

$217

0.00%

131

NISA INVESTMENT ADVISORS, LLC

$38

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
T3 Global Trading, LLC	170,962	$287,216	100.0%	Sole

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

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	125,154	$210,258	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	45,790	$76,927	100.0%	Other

Key facts CIK 1726445 CUSIP 81578P106 13F (30d) 2 filings 2 filers Visit website Investor relations