Railway Pension Investments Ltd
SEC Form 13F institutional filer · CIK 0001658020
13F-HR · 99 reported holdings · 2026-03-31
Pension fund manager.
Reported long-US-equity value
$6.77B
Top-10 concentration
35.6%
Railway Pension Investments Ltd — $6.77B AUM allocation strategy
Railway Pension Investments Ltd files SEC Form 13F and reports $6.77B of long US equity value across 99 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 23.4%, followed by Health Care 13.0% and Communication Services 7.3%.
The top 10 holdings account for 36% of reported value — a broadly spread portfolio. 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.
Railway Pension Investments Ltd — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$6.77B
total across 99 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
36% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$SYK +451K sh · +$147M+$GDDY +220K sh · +$16.3M+$CEG +86K sh · −$16.4M
Biggest trims (shares)
−$PEG −503K sh · −$39.3M−$HPQ −327K sh · −$11.7M−$GOOG −278K sh · −$110M
Exited to nil (held last quarter, gone now)
$SPGI ($193M last qtr)$DHR ($158M last qtr)$MRK ($122M last qtr)$AZO ($81.7M last qtr)$BSX ($24.8M last qtr)
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)
- Semiconductors9.9%—
- Systems Software7.9%—
- Interactive Media & Services7.3%—
- Biotechnology5.3%—
- Transaction & Payment Processing Services4.7%—
- Broadline Retail3.5%—
- Multi-Utilities3.2%—
- Semiconductor Materials & Equipment3.1%—
- Other holdings55.3%—
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 |
|---|---|---|---|---|---|
| $MSFT | Microsoft Corporation | 1.01M | $375M | -108K | 5.5% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 920K | $265M | -278K | 3.9% |
| $NVDA | NVIDIA Corporation | 1.41M | $246M | -120K | 3.6% |
| $AMZN | Amazon.com Inc | 1.12M | $234M | +76.8K | 3.5% |
| $AVGO | Broadcom Inc | 755K | $234M | -59K | 3.5% |
| $META | Meta Platforms Inc | 399K | $229M | +57.6K | 3.4% |
| $NEE | NextEra Energy Inc | 2.33M | $216M | -189K | 3.2% |
| $LRCX | Lam Research Corporation | 982K | $210M | -59.3K | 3.1% |
| $EQIX | Equinix Inc. Common Stock REIT | 206K | $202M | -17.8K | 3.0% |
| $TMO | Thermo Fisher Scientific Inc | 409K | $201M | -33.4K | 3.0% |
…and 89 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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