DEEP FISSION, INC.

PublicCIK: 1918102
FISNNASDAQ
Location

BERKELEY, CA

13F Filings

Institutional Holders

DEEP FISSION, INC.FISN— Latest position per institution from SEC 13F filings

15

Institutional holders

2.35M

Total shares held

25.20M

Estimated value

117.45K

Avg. position size

1

BLUE OWL CAPITAL HOLDINGS LP

CIK 1858703

Shares

1.33M

Value

14.72M

Filed

Jun 30, 2026

2

ELEVATION WEALTH MANAGEMENT LLC

CIK 2093518

Shares

298.33K

Value

3.29M

Filed

Jun 30, 2026

3

UBS GROUP AG

CIK 1610520

Shares

198.50K

Value

2.19M

Filed

Jun 30, 2026

4

CONSOLIDATED PRESS INTERNATIONAL HOLDINGS LTD

CIK 1260786

Shares

133.33K

Value

1.47M

Filed

Jun 30, 2026

5

CITADEL ADVISORS LLC

CIK 1423053

Shares

110K

Value

1.21M

Filed

Jun 30, 2026

6

LPL FINANCIAL LLC

CIK 1403438

Shares

70.86K

Value

782.27K

Filed

Jun 30, 2026

7

ESSENTIAL INVESTMENT PARTNERS LLC

CIK 2145170

Shares

59.50K

Value

305.25K

Filed

Sep 30, 2026

8

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

27.33K

Value

301.76K

Filed

Jun 30, 2026

9

HARBOUR CAPITAL ADVISORS, LLC

CIK 1682501

Shares

25.05K

Value

128.51K

Filed

Sep 30, 2026

10

CHAPIN DAVIS, INC.

CIK 872098

Shares

19K

Value

97.47K

Filed

Sep 30, 2026

11

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

17.37K

Value

191.80K

Filed

Jun 30, 2026

12

TRAPHAGEN INVESTMENT ADVISORS LLC

CIK 2023380

Shares

16.82K

Value

86.26K

Filed

Sep 30, 2026

13

BHK INVESTMENT ADVISORS, LLC

CIK 1710539

Shares

15K

Value

165.60K

Filed

Jun 30, 2026

14

PRELUDE CAPITAL MANAGEMENT, LLC

CIK 1387508

Shares

14.71K

Value

162.44K

Filed

Jun 30, 2026

15

MORGAN STANLEY

CIK 895421

Shares

6.05K

Value

66.79K

Filed

Jun 30, 2026

16

FNY INVESTMENT ADVISERS, LLC

CIK 1742998

Shares

1.20K

Value

6.00

Filed

Sep 30, 2026

17

US BANCORP \DE\

CIK 36104

Shares

1.10K

Value

12.14K

Filed

Jun 30, 2026

18

PARKSIDE FINANCIAL BANK & TRUST

CIK 1455267

Shares

700.00

Value

3.59K

Filed

Sep 30, 2026

19

CLEARSTEAD ADVISORS, LLC

CIK 842775

Shares

500.00

Value

5.52K

Filed

Jun 30, 2026

20

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

335.00

Value

3.70K

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.