IRDM β€” IRIDIUM COMMUNICATIONS INC

Ownership history in TWINBEECH CAPITAL LP  Β·  8 quarters on record

This page tracks every 13F SEC filing in which TWINBEECH CAPITAL LP reported a position in IRIDIUM COMMUNICATIONS INC (IRDM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.21% (2023 Q3)
πŸ“Š Avg. % of fund
0.1%
πŸ“… First filed
2020 Q1
πŸ“… Last filed
2025 Q3
⏱ Quarters held
8

Position Intelligence

TWINBEECH CAPITAL LP Γ— IRDM AI Analytics

πŸ“‰ TWINBEECH CAPITAL LP underperformed the S&P 500 by –27.1% annually on this IRDM position. Timing score: 57% (4/7 decisions correct). Average cost basis: $36.19. Maximum drawdown during holding period: –70.6%.

πŸ“ˆ Position Alpha vs SPY
-27.1%
annualised excess return

❌ Significantly underperformed the S&P 500 by 27.1% ann.
7 quarters analyzed

⏱️ Timing Score
57%

βœ… Decent timing β€” more right than wrong on entries and exits.
4 of 7 add/trim decisions correct

πŸ’° Entry Quality
$36.19
-52.4% vs current ($17.22)

Best entry: $20.98 (2020 Q1)  Β·  Worst: $58.61 (2023 Q2)

πŸ›‘οΈ Drawdown Resilience
–70.6%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
62%
buy-side decisions

5 adds Β· 3 trims. Bought during 3 of 5 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.1% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    IRDM price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 8 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 140,311 -136,711 -49.4% 0.10% $2.4M $17.22
2025 Q1 ADDED 277,022 +207,033 +295.8% 0.14% $7.6M $26.58
2024 Q3 REDUCED 69,989 -25,091 -26.4% 0.04% $2.1M $29.34
2024 Q1 ADDED 95,080 +52,544 +123.5% 0.05% $2.5M $24.94
2023 Q4 REDUCED 42,536 -201,068 -82.5% 0.03% $1.8M $39.07
2023 Q3 ADDED 243,604 +160,182 +192.0% 0.21% $11.1M $43.04
2023 Q2 ADDED 83,422 +73,128 +710.4% 0.10% $5.2M $58.61
2020 Q1 INITIATED 10,294 β€” β€” 0.09% $230K $20.98

🏒 Other funds also holding IRDM

As of 2025 Q4 β€” sorted by position size

Silver Heights Capital Management Inc 3Y 7Y 36.21% New Century Financial Group, LLC 1.76% Carolina Wealth Advisors, LLC 3Y 1.52% Maxi Investments CY Ltd 3Y 1.34% ArchPoint Investors 3Y 7Y 0.81% SHERBROOKE PARK ADVISERS LLC 3Y 0.45% ICON ADVISERS INC/CO 3Y 7Y 0.41% ARK Investment Management LLC 3Y 7Y 0.33% Defiance ETFs, LLC 0.32% Redwood Investment Management, LLC 3Y 7Y 0.27%
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