GENERAL AMERICAN INVESTORS CO INC
SEC Form 13F institutional filer · CIK 0000040417
13F-HR · 42 reported holdings · 2026-03-31
General American Investors Co Inc is a closed-end investment company.
Reported long-US-equity value
$1.20B
Top-10 concentration
53.1%
GENERAL AMERICAN INVESTORS CO INC — $1.2B AUM allocation strategy
GENERAL AMERICAN INVESTORS CO INC files SEC Form 13F and reports $1.2B of long US equity value across 42 reported holdings for 2026-03-31.
Its largest sector bet is Industrials 23.6%, followed by Information Technology 15.4% and Consumer Discretionary 11.4%.
The top 10 holdings account for 53% of reported value — a conviction-weighted book concentrated in its best ideas. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
GENERAL AMERICAN INVESTORS CO INC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.2B
total across 42 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
53% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$MRVL +102K sh · +$10.8M+$T +50K sh · +$4.46M+$UBER +50K sh · +$2.03M
Biggest trims (shares)
−$GOOGL −85K sh · −$32.3M−$ACGL −69.8K sh · −$6.66M−$EXPE −68.2K sh · −$19.6M
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Aerospace & Defense10.9%—
- Heavy Electrical Equipment6.6%—
- Apparel Retail6.5%—
- Environmental & Facilities Services6.2%—
- Semiconductors5.9%—
- Technology Hardware, Storage & Peripherals5.6%—
- Interactive Media & Services5.0%—
- Broadline Retail4.9%—
- Other holdings48.4%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $GEV | GE Vernova Inc | 91K | $79.4M | -9K | 6.6% |
| $HONA | Honeywell Aerospace Inc | 110 | $79M | +0 | 6.6% |
| $TJX | TJX Companies Inc | 485K | $77.4M | -40.3K | 6.5% |
| $RSG | Republic Services Inc | 336K | $73.5M | -20K | 6.1% |
| $AAPL | Apple Inc | 266K | $67.4M | -10K | 5.6% |
| $GOOGL | Alphabet Inc | 210K | $60.2M | -85K | 5.0% |
| $AMZN | Amazon.com Inc | 286K | $59.6M | +0 | 5.0% |
| $ACGL | Arch Capital Group Ltd | 530K | $50.9M | -69.8K | 4.2% |
| $MSFT | Microsoft Corporation | 126K | $46.8M | -53.6K | 3.9% |
| $AVGO | Broadcom Inc | 138K | $42.7M | -5K | 3.6% |
…and 32 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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