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UNICOM Systems, Inc.

SEC CIK
0001996154
Latest filing
Jul 8, 2026

The latest 13F from UNICOM Systems, Inc. covers Q2 2026 (filed Jul 8, 2026): 39 long positions worth $1.53B. The top 10 holdings make up 67.3% of the portfolio, and the largest is Tesla, Inc. (TSLA) at 12.3%. Livermore has 7 filings on Form 13F from this institution, going back to Q4 2024.

What changed in Q2 2026

Share counts compared with Q1 2026: how many positions were new, added to, reduced or sold out, and the biggest buys and sells. Dollar amounts are estimated at the quarter-end prices implied by the filing.

Full comparison
New
7
Est. +$68.3M
Added
9
Est. +$99.8M
Reduced
0
Sold out
0

Top 5 holdings

Share of this quarter's portfolio value

  1. TSLATesla, Inc.
    12.3%$188.7MHistory
  2. NVDANVIDIA Corp
    9.9%$151.5MHistory
  3. SNDKSandisk Corp
    8.7%$133.0MHistory
  4. AVGOBroadcom Inc.
    8.0%$122.9MHistory
  5. PLTRPalantir Technologies Inc.
    6.4%$97.9MHistory

Biggest buys

New and added positions, by estimated amount bought

  1. MUMicron Technology Inc
    +$28.6MAddedHistory
  2. SNDKSandisk Corp
    +$17.3MAddedHistory
  3. MXLMaxlinear, Inc
    +$14.7MNewHistory
  4. SIMOSilicon Motion Technology CORP
    +$13.7MNewHistory
  5. GLWCorning Inc
    +$13.6MNewHistory

Largest weight increases

New and added positions, by percentage points of the portfolio gained

  1. SNDKSandisk Corp
    +5.36 pp3.3% → 8.7%History
  2. MUMicron Technology Inc
    +2.93 pp0.9% → 3.8%History
  3. WDCWestern Digital Corp
    +1.73 pp2.5% → 4.2%History
  4. STXSeagate Technology Holdings plc
    +1.26 pp1.5% → 2.7%History
  5. MXLMaxlinear, Inc
    +0.96 pp0.0% → 1.0%History

Biggest sells

Reduced and sold-out positions, by estimated amount sold

None this quarter.

Largest weight decreases

Reduced and sold-out positions, by percentage points of the portfolio lost

None this quarter.

Metrics

13F metrics for Q2 2026, computed only from the numbers in the filings. Definitions below.

Portfolio value
$1.53B
+$556.9M (+57.1%) vs. prior quarter
Positions
39
+7 vs. prior quarter
Top 10 concentration
67.3%
Top 10 as share of value
Turnover
0.0%
Q2 2026, one quarter
Average holding period
5.1 quarters
Weighted by value

How these are calculated

  • Portfolio value: the market value of all long positions in the 13F, as reported at quarter end, excluding options.
  • Top 10 concentration: the combined value of the 10 largest positions as a share of portfolio value.
  • Turnover: the smaller of this quarter's estimated purchases and estimated sales, divided by the average of this and last quarter's portfolio value. Estimates multiply the change in shares by the quarter-end price implied by the filing (market value divided by shares); new positions use this quarter's value and sold-out positions last quarter's. Only positions reported in shares count, and it is not calculated when the previous quarter was not filed.
  • Average holding period: how many consecutive quarters each current position has been held (including this one; a quarter without the position or without a filing starts the count over), weighted by this quarter's value. Counting starts with the first 13F in Livermore (Q4 2024), so positions held before then are understated.

13F filings by quarter

7 quarters, going back to Q4 2024. Bars show each quarter's 13F portfolio value; quarters without a filing are left blank.

Peak $1.53B (Q2 2026)

Q4 2024: $411.7MQ1 2025: $491.4MQ2 2025: $722.3MQ3 2025: $1.01BQ4 2025: $1.02BQ1 2026: $975.8MQ2 2026: $1.53B
Q4 2024Q2 2026
13F filings of UNICOM Systems, Inc. by quarter
QuarterFiledPositionsValueTop 3 holdingsChangesFiling
Q2 2026Jul 8, 202639$1.53BTSLANVDASNDKvs. Q1 2026SEC
Q1 2026Apr 29, 202632$975.8MTSLANVDAPLTRvs. Q4 2025SEC
Q4 2025Jan 14, 202622$1.02BTSLAPLTRNVDAvs. Q3 2025SEC
Q3 2025Oct 21, 202519$1.01BTSLAPLTRNVDAvs. Q2 2025SEC
Q2 2025Aug 6, 202522$722.3MTSLANVDAPLTRvs. Q1 2025SEC
Q1 2025May 1, 202525$491.4MTSLANVDAPLTRvs. Q4 2024SEC
Q4 2024Jan 29, 202521$411.7MTSLANVDAAVGO–SEC