Composite score
48.8
rank #26 · risers
#26 Riser. 747 people.
Watch Sierra · One email when its rank, headcount or news changes. Mondays, only when something moved.
Headcount
747
0.0%
90d change
-0.4%
Funding events (90d)
0
Layoff events (90d)
0
Signals
source: PDL v25Inferred revenue
$500M-$1B
PDL estimate
Revenue / employee
$1.0M
midpoint ÷ headcount
12-month turnover
16.1%
within typical band
Average tenure
2.8 yrs
—
Time since last raise
—
no rounds on record
Hiring flow · Sierra
source: PDL v25Headcount by role
12-month growth · PDL v25Hospitality
545
-5%
Fulfillment
23
0%
Engineering
21
-5%
Sales
13
-6%
Finance
11
+10%
Support
10
0%
Operations
9
-10%
Creative
8
+14%
Other
11
—
In the news
relevance ≥ 6 · last 180 days- Air & Space Forces9d agoAMC Gains Momentum in Push to Equip Tankers with Better Connectivity
Sierra Nevada Corporation announced a contract upgrade for KC-46 tankers, but is not the article's primary focus.
- Air & Space Forces12d agoSDA Awards Contracts for 36 Golden Dome Missile Tracking Satellites
Sierra Space awarded $1.75B contract (half) to build 18 Golden Dome tracking satellites for SDA/Pentagon.
- TechCrunch18d agoThese AI startups are growing revenue at faster and faster rates
Featured as a fast-growing AI startup hitting $200M ARR in accelerating timeframe.
- Air & Space Forces23d agoAir Force Taps Industry to Study Active Defenses for Tanker Fleet
Sierra Nevada Corporation awarded $2.7M contract for tanker defense study; substantive but not primary focus.
- TechCrunchHeadline3mo agoSierra raises $950M as the race to own enterprise AI gets serious
Article is entirely about Sierra's $950M funding round and its growth trajectory.
Events
Layoff · 6.33% (48 roles)
Departures in 2023-08: 64 vs 6-mo baseline of 15.5 (4.13× spike). Derived from PDL.
3y ago
Layoff · 6.24% (30 roles)
Departures in 2018-08: 40 vs 6-mo baseline of 10.5 (3.81× spike). Derived from PDL.
8y ago
Score history
2026-07-20
48.8
rank #26
2026-07-13
44.6
rank #27
2026-07-06
43.6
rank #26
2026-06-29
38.4
rank #27
2026-06-22
35.5
rank #30
2026-06-15
43.5
rank #31
2026-06-08
42.1
rank #35
2026-06-01
42.1
rank #35
2026-05-25
60.3
rank #34
2026-05-18
56.7
rank #34
2026-05-11
53.9
rank #34
2026-05-04
53.9
rank #34