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Super Investors UNICOM Systems, Inc.
US

UNICOM Systems, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.46B
Positions
39
Quarter ended
September 30, 2026
Filed
October 13, 2026

Reported portfolio value by quarter (8 quarters reported)

$1.53B $412M
Q4 24 Q2 25 Q4 25 Q2 26 Q3 26

$412M in Q4 2024 → $1.46B now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Tesla Inc 12.4% Added 14% 510,661 $181M
Nvidia Corporation 11.8% Unchanged 757,098 $173M
Palantir Technologies Inc 10.7% Unchanged 838,992 $157M
Broadcom Inc 7.8% Unchanged 325,300 $114M
Sandisk Corp 7.6% Added 9.6% 64,100 $112M
Micron Technology Inc 4.4% Added 20% 60,800 $64.8M
Rigetti Computing Inc 3.8% Unchanged 3,521,935 $55.4M
AH Asml Holding N V 3.6% Unchanged 29,000 $52.5M
D-wave Quantum Inc 3.5% Unchanged 3,121,346 $51.7M
RL Rocket Lab Usa Inc 3.3% Unchanged 702,635 $49M
Western Digital Corp 3.2% Unchanged 101,600 $46.2M
ST Segate Technology Hldngs Pl 2.7% Unchanged 43,500 $40.1M
Ionq Inc 2.3% Unchanged 768,900 $33.7M
Sk Hynix Inc 2.2% New 178,600 $32.9M
Netapp Inc 2.2% Unchanged 153,500 $32.2M
Arm Holdings PLC 1.8% Unchanged 89,000 $25.8M
Meta Platforms Inc 1.5% Unchanged 30,985 $22.5M
Bloom Energy Corp 1.4% Unchanged 74,000 $20.5M
Marvell Technology Inc 1.4% Added 119% 75,400 $19.9M
LH Lumentum Hldgs Inc 1.3% Unchanged 19,800 $19.2M
Everpure Inc 1.3% Trimmed 70% 144,311 $18.9M
Unitedhealth Group Inc 1.0% Unchanged 41,434 $15.2M
Applied Optoelectronics Inc 1.0% Unchanged 152,483 $15.1M
Ciena Corp 0.8% Unchanged 35,231 $12.4M
Palo Alto Networks Inc 0.8% Unchanged 29,500 $11.7M
Silicon Motion Technology Co 0.8% Unchanged 41,200 $11.5M
A Alaphabet Inc 0.7% Unchanged 31,000 $10.7M
Maxlinear Inc 0.7% Unchanged 114,900 $10.4M
Applovin Corp 0.6% Unchanged 31,900 $9.26M
Corning Inc 0.6% Unchanged 53,300 $8.2M
Pinterest Inc 0.5% Unchanged 375,000 $7.08M
Usa Rare Earth Inc 0.4% Unchanged 459,374 $6.47M
Oracle Corp 0.4% Unchanged 40,000 $5.49M
Coherent Corp 0.3% Unchanged 14,000 $4.03M
Ttm Technologies Inc 0.3% Unchanged 31,600 $3.88M
Quantum Computing Inc 0.2% Unchanged 362,279 $3.06M
CH Celsius Hldgs Inc 0.2% Unchanged 110,000 $3.01M
Ast Spacemobile Inc 0.2% Unchanged 51,000 $3M
Symbotic Inc 0.1% Unchanged 27,147 $1.14M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 7 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 13, 2026

Company Action Shares changed Value of change % of portfolio
Everpure Inc Trimmed −340,156 −$44.5M 1.3%
Sk Hynix Inc New +178,600 +$32.9M 2.2%
Tesla Inc Added +62,000 +$22M 12.4%
Mongodb Inc Exited −45,500 −$15.3M —
Marvell Technology Inc Added +41,000 +$10.8M 1.4%
Micron Technology Inc Added +10,000 +$10.7M 4.4%
Sandisk Corp Added +5,600 +$9.74M 7.6%

Q2 2026

quarter ended June 30, 2026 · filed July 08, 2026

Company Action Shares changed Value of change % of portfolio
Micron Technology Inc Added +24,800 +$28.6M 3.8%
Sandisk Corp Added +7,600 +$17.3M 8.7%
Maxlinear Inc New +114,900 +$14.7M 1.0%
Silicon Motion Technology Co New +41,200 +$13.7M 0.9%
Corning Inc New +53,300 +$13.6M 0.9%
Applied Optoelectronics Inc Added +83,892 +$12.4M 1.5%
Marvell Technology Inc New +34,400 +$10.2M 0.7%
Broadcom Inc Added +25,000 +$9.44M 8.0%
Ciena Corp Added +18,400 +$9.03M 1.1%
Western Digital Corp Added +11,100 +$7.09M 4.2%

Showing the 10 largest of 16 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 29, 2026

Company Action Shares changed Value of change % of portfolio
Ionq Inc Exited −768,900 −$34.5M —
Sandisk Corp New +50,900 +$32.3M 3.3%
Western Digital Corp New +90,500 +$24.5M 2.5%
Ionq Inc New +768,900 +$22.2M 2.3%
ST Segate Technology Hldngs Pl New +36,800 +$14.4M 1.5%
Bloom Energy Corp New +74,000 +$10M 1.0%
LH Lumentum Hldgs Inc New +14,200 +$9.98M 1.0%
RL Rocket Lab Usa Inc Added +154,333 +$9.91M 4.3%
A Alaphabet Inc New +31,000 +$8.91M 0.9%
Micron Technology Inc New +26,000 +$8.78M 0.9%

Showing the 10 largest of 13 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 14, 2026

Company Action Shares changed Value of change % of portfolio
Meta Platforms Inc New +30,985 +$20.5M 2.0%
Pinterest Inc New +375,000 +$9.71M 0.9%
CH Celsius Hldgs Inc New +110,000 +$5.03M 0.5%
PS Pure Storage Inc Added +72,000 +$4.82M 3.2%
Palantir Technologies Inc Added +27,000 +$4.8M 14.6%
TD Teradata Corp Del Exited −93,429 −$2.01M —
Symbotic Inc New +27,147 +$1.62M 0.2%

Q3 2025

quarter ended September 30, 2025 · filed October 21, 2025

Company Action Shares changed Value of change % of portfolio
Tesla Inc Added +34,000 +$15.1M 19.7%
RL Rocket Lab Usa Inc Added +243,902 +$11.7M 2.4%
Palantir Technologies Inc Added +63,492 +$11.6M 14.6%
Rigetti Computing Inc Trimmed −285,000 −$8.49M 10.4%
Soundhound Ai Inc Exited −785,000 −$8.42M —
D-wave Quantum Inc Added +337,838 +$8.35M 7.6%
Marvell Technology Inc Exited −67,500 −$5.22M —
AH Asml Holding N V Trimmed −5,000 −$4.84M 2.8%
Quantum Computing Inc Trimmed −190,239 −$3.5M 0.7%
ST Skywater Technology Inc Exited −125,183 −$1.23M —

Showing the 10 largest of 11 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 06, 2025

Company Action Shares changed Value of change % of portfolio
D-wave Quantum Inc Trimmed −1,844,196 −$27M 5.6%
Tesla Inc Added +68,766 +$21.8M 18.2%
Unitedhealth Group Inc New +41,434 +$12.9M 1.8%
Microsoft Corp Exited −11,800 −$4.43M —
J Jbil Inc Exited −15,099 −$2.05M —
Quantum Computing Inc Trimmed −103,761 −$1.99M 1.5%
Snowflake Inc Exited −13,545 −$1.98M —
Quantum Corp Exited −75,237 −$1.08M —

Q1 2025

quarter ended March 31, 2025 · filed May 01, 2025

Company Action Shares changed Value of change % of portfolio
Palantir Technologies Inc Added +570,963 +$48.2M 12.9%
Tesla Inc Added +130,395 +$33.8M 18.2%
Rigetti Computing Inc Added +3,521,935 +$27.9M 6.1%
Alphabet Inc Exited −91,640 −$17.3M —
D-wave Quantum Inc Added +2,216,000 +$16.8M 7.2%
Netapp Inc New +153,500 +$13.5M 2.7%
Amazon Com Inc Exited −59,800 −$13.1M —
Nvidia Corporation Added +114,200 +$12.4M 16.7%
Applovin Corp New +31,900 +$8.45M 1.7%
Ionq Inc Added +335,429 +$7.4M 3.5%

Showing the 10 largest of 21 changes.

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